JP2016040554A - Information processing system, information processing apparatus, information processing method, and information processing program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information processing system, an information processing apparatus, an information processing method, and an information processing program which can correct a point of positional information to a point having history information and the like based on search by a user and movement of the user.SOLUTION: An information processing method includes the steps of: acquiring current positional information of a user; extracting a search history point and a movement history point existing in a predetermined range from a current position based on the acquired current positional information as a candidate point of current position correction; and causing an output unit to output the current positional information and point information of the candidate point. If the user selects the output point information of the candidate point via an input unit, treats the candidate point based on the selected point information as a correction point, and corrects the correction point as the current position.SELECTED DRAWING: Figure 6

Description

  The present invention relates to an information processing system, an information processing apparatus, an information processing method, and an information processing program.

  Conventionally, a technique for correcting position information obtained by positioning has been disclosed.

  For example, in the method of correcting position data described in Patent Document 1, a point registered in the server by a server administrator within a predetermined area from a position measured by GPS is selected as a candidate point for position data correction. A technique that can be displayed on a terminal device is disclosed.

JP 2008-242408 A

  However, the method of correcting the position data described in Patent Document 1 has a problem that a point that matches the user's behavior or a point that the user wants to use is not necessarily a candidate point registered in the server. It was. As a result, the method of correcting the position data has a problem that the position data that has been measured cannot be corrected accurately to the point where the user is actually located.

  The present invention has been made in view of the above problems, and an information processing system, an information processing apparatus, and an information processing method capable of correcting position information at a point such as history information based on a search by a user and movement of the user. An object is to provide an information processing program.

  In order to achieve such an object, the navigation device of the present invention is a navigation device including at least an output unit, an input unit, a control unit, and a storage unit, and the storage unit is at least a user of the navigation device. A location information storage unit that stores location information of a search history point that is a location searched in the past, and the control unit acquires a current location information acquisition unit that acquires the current location information of the user of the navigation device The search history point based on the point information stored in the point information storage unit existing in a predetermined range from the current position based on the current position information acquired by the current position information acquisition unit is corrected to the current position. Candidate point extracting means for extracting as the candidate point, the current position information acquired by the current position information acquiring means, and The spot information output means for outputting the spot information of the candidate spot extracted by the candidate spot extraction means via the output section, and the spot information output means output by the user via the input section. Correction means for correcting the candidate point based on the selected point information as a correction point and correcting the correction point as the current position when the point information of the candidate point is selected. And

  In the navigation device according to the present invention, in the navigation device described above, the point information storage unit further stores a search frequency of the point search in association with the search history point, and the candidate point extraction unit includes: The search history point based on the point information stored in the point information storage unit and existing in the predetermined range from the current position based on the current position information acquired by the current position information acquisition unit is determined as the search history. Based on the number of searches corresponding to a point, the current position is extracted as the candidate point to be corrected.

  In the navigation device of the present invention, in the navigation device described above, the point information storage unit further stores a search time of the point search in association with the search history point, and the candidate point extraction unit includes: The search history point based on the point information stored in the point information storage unit and existing in the predetermined range from the current position based on the current position information acquired by the current position information acquisition unit is determined as the search history. Based on the search time corresponding to the point, the candidate point is extracted as the candidate point for correcting the current position.

  In the navigation device according to the present invention, in the navigation device described above, the control unit determines whether or not the positioning accuracy of the current position information acquired by the current position information acquisition unit is lower than a predetermined value. And the candidate point extracting means, when the accuracy determining means determines that the positioning accuracy is lower than the predetermined value, the candidate point extracting means is based on the current position information acquired by the current position information acquiring means. The search history point based on the point information stored in the point information storage unit existing in the predetermined range from the current position is extracted as the candidate point for correcting the current position.

  The navigation device of the present invention is the above navigation device, wherein the current position information acquisition means acquires the current position information derived from a base station for performing GPS or wireless communication, and the candidate point extraction means includes When the current position information derived from the base station is acquired by the current position information acquisition means, the point information storage means stored in the point information storage means exists in the predetermined range from the current position based on the current position information. The search history point based on the point information is extracted as the candidate point for correcting the current position.

  Further, the navigation device of the present invention is a navigation device including at least an output unit, an input unit, a control unit, and a storage unit, and the storage unit is at least a current user of the navigation device acquired in the past. Point information storage means for storing point information of a movement history point that is a point based on the position information, and the control unit acquires current position information acquisition means for acquiring current position information of a user of the navigation device, and The movement history point based on the point information stored in the point information storage unit and existing in a predetermined range from the current position based on the current position information acquired by the current position information acquisition unit is selected as a candidate point for current position correction. Candidate location extraction means for extracting as the current location information acquired by the current location information acquisition means, and the candidate location The point information output means for outputting the point information of the candidate point extracted by the extraction means via the output unit, and the candidate point output by the user via the input unit by the point information output means When the point information is selected, correction means for correcting the candidate point based on the selected point information as a correction point and correcting the correction point as the current position is provided.

  In the navigation device according to the present invention, in the navigation device described above, the point information storage unit further includes the number of times the current position information of the movement history point is acquired by the current position information acquisition unit within a predetermined period. Is stored in association with the movement history point, and the candidate point extraction means is located in the predetermined range from the current position based on the current position information acquired by the current position information acquisition means. The movement history point based on the point information stored in the means is extracted as the candidate point for correcting the current position based on the number of times corresponding to the movement history point.

  In the navigation device according to the present invention, in the navigation device described above, the point information storage unit further includes the acquisition time when the current position information of the movement history point is acquired by the current position information acquisition unit. The candidate location extracting means stores the history location in association with the history location, and the candidate location extracting means stores in the location information storage means existing in the predetermined range from the current location based on the current location information acquired by the current location information acquisition means. The movement history point based on the point information is extracted as the candidate point for correcting the current position based on the acquisition time corresponding to the movement history point.

  In the navigation device according to the present invention, in the navigation device described above, the control unit determines whether or not the positioning accuracy of the current position information acquired by the current position information acquisition unit is lower than a predetermined value. And the candidate point extracting means, when the accuracy determining means determines that the positioning accuracy is lower than the predetermined value, the candidate point extracting means is based on the current position information acquired by the current position information acquiring means. The movement history point based on the point information stored in the point information storage unit existing in the predetermined range from the current position is extracted as the candidate point for correcting the current position.

  The navigation device of the present invention is the above navigation device, wherein the current position information acquisition means acquires the current position information derived from a base station for performing GPS or wireless communication, and the candidate point extraction means includes When the current position information derived from the base station is acquired by the current position information acquisition means, the point information storage means stored in the point information storage means exists in the predetermined range from the current position based on the current position information. The movement history point based on the point information is extracted as the candidate point for correcting the current position.

  In the navigation device of the present invention, in the navigation device described above, the point information storage unit further converts the point information of the correction point corrected as the current position information by the correction unit into the current position information. The candidate point extracting means is further stored in the point information storage means existing within a predetermined range from the current position based on the current position information acquired by the current position information acquiring means. The correction point based on the point information is extracted as the candidate point for correcting the current position.

  In the navigation device according to the present invention, in the navigation device described above, the point information storage unit further stores the point information of the POI point where the POI exists, and the candidate point extraction unit further includes The POI point based on the point information stored in the point information storage unit and existing in the predetermined range from the current position based on the current position information acquired by the current position information acquisition unit is the current position. It extracts as said candidate point which correct | amends.

  The navigation system of the present invention includes at least point information storage means for storing point information of a search history point that is a point searched in the past by a user of the terminal device, and current position information of the user of the terminal device. Current position information acquisition means for acquiring the current position information acquisition means, and the current position information acquisition means existing within a predetermined range from the current position information based on the current position information, and based on the point information stored in the point information storage means Candidate point extraction means for extracting a search history point as a candidate point for current position correction, the current position information acquired by the current position information acquisition means, and the candidate points extracted by the candidate point extraction means The point information output means for outputting the point information via the output unit, and the point information by the user via the input unit. When the point information of the candidate point output by the force unit is selected, a correction unit that corrects the candidate point based on the selected point information as a correction point and the correction point as the current position; It is provided with.

  Further, the navigation system of the present invention includes at least point information storage means for storing point information of a movement history point that is a point based on the current position information of the user of the terminal device acquired in the past, and the user of the terminal device. Current location information acquisition means for acquiring current location information, and the location stored in the location information storage means that exists within a predetermined range from the current location based on the current location information acquired by the current location information acquisition means Candidate point extraction means for extracting the movement history point based on information as a candidate point for current position correction, the current position information acquired by the current position information acquisition means, and the candidate point extraction means Point information output means for outputting the point information of the candidate point via an output unit, and the user via the input unit via the input unit When the point information of the candidate point output by the point information output unit is selected, the correction based on the selected candidate point based on the selected point information is a correction point, and the correction point is corrected as the current position. Means.

  The navigation system according to the present invention is a navigation system in which a navigation server including at least a control unit and a storage unit and a terminal device including at least an output unit, an input unit, and a control unit are communicably connected. In addition, the storage unit of the navigation server includes at least point information storage means for storing point information of a search history point that is a point searched in the past by a user of the terminal device. The control unit receives current position information receiving means for receiving the current position information of the user of the terminal device transmitted from the terminal device, and from the current position based on the current position information received by the current position information receiving means. The search history based on the spot information stored in the spot information storage means existing in a predetermined range Candidate point extracting means for extracting a point as a candidate point for current position correction; and candidate point information transmitting means for transmitting the point information of the candidate point extracted by the candidate point extracting means to the terminal device. The control unit of the terminal device includes current position information acquisition means for acquiring current position information of a user of the terminal device, and candidate point information for receiving the point information of the candidate point transmitted from the navigation server. Receiving means; current position information acquired by the current position information acquiring means; and spot information output means for outputting the spot information via the output section; and the user via the input section as described above. When the point information of the candidate point output by the point information output means is selected, the candidate point based on the selected point information is selected. A positive point, the correction point, characterized by comprising a correction means for correcting as the current position.

  The navigation system according to the present invention is a navigation system in which a navigation server including at least a control unit and a storage unit and a terminal device including at least an output unit, an input unit, and a control unit are communicably connected. The storage unit of the navigation server includes at least point information storage means for storing point information of a movement history point that is a point based on the current position information of the user of the terminal device acquired in the past, The control unit of the navigation server includes current position information receiving means for receiving the current position information of the user of the terminal device transmitted from the terminal device, and the current position information received by the current position information receiving means. Based on the point information stored in the point information storage means existing within a predetermined range from the current position based on Candidate point extracting means for extracting the movement history point as a candidate point for current position correction; candidate point information transmitting means for transmitting the spot information of the candidate spot extracted by the candidate spot extracting means to the terminal device; The control unit of the terminal device receives current location information acquisition means for acquiring current location information of a user of the terminal device, and the location information of the candidate location transmitted from the navigation server. Candidate point information receiving means, the current position information acquired by the current position information acquiring means, point information output means for outputting the point information via the output unit, and the input unit by the user When the point information of the candidate point output by the point information output means is selected, the current point based on the selected point information is selected. The candidate point as the correction point, the correction point, characterized by comprising a correction means for correcting as the current position.

  Further, the navigation server of the present invention is a navigation server including at least a control unit and a storage unit that are communicably connected to a terminal device including at least an output unit and an input unit, and the storage unit includes: At least point information storage means for storing point information of a search history point that is a point searched in the past by a user of the terminal device, and the control unit stores current position information of the user of the terminal device. The current position information acquisition means to be acquired, and the search based on the point information stored in the point information storage means, which exists within a predetermined range from the current position based on the current position information acquired by the current position information acquisition means Candidate point extracting means for extracting history points as candidate points for current position correction, and the current position information acquired by the current position information acquiring means. And, by transmitting display screen generation means for generating a display screen based on the spot information of the candidate spot extracted by the candidate spot extraction means, and output control information including the display screen to the terminal device, Output control means for outputting the output control information via the output unit of the terminal device, and the point of the candidate point output by the output control means via the input unit of the terminal device by the user And correction means for correcting the candidate point based on the selected point information as a correction point and correcting the correction point as the current position when the information is selected.

  Further, the navigation server of the present invention is a navigation server including at least a control unit and a storage unit that are communicably connected to a terminal device including at least an output unit and an input unit, and the storage unit includes: At least a point information storage unit that stores point information of a movement history point that is a point based on the current position information of the user of the terminal device acquired in the past, and the control unit includes the user of the terminal device. Current position information acquisition means for acquiring current position information, and the point information stored in the point information storage means that exists within a predetermined range from the current position based on the current position information acquired by the current position information acquisition means Candidate location extracting means for extracting the movement history point based on the current location correction candidate location and the current location information acquiring means Display position generation means for generating a display screen based on the current position information and the spot information of the candidate spot extracted by the candidate spot extraction means, and output control information including the display screen is transmitted to the terminal device. The output control means for outputting the output control information via the output unit of the terminal device, and the candidate point output by the output control means via the input unit of the terminal device by the user When the point information is selected, correction means for correcting the candidate point based on the selected point information as a correction point and correcting the correction point as the current position is provided.

  The navigation method of the present invention is a navigation method executed in a navigation device including at least an output unit, an input unit, a control unit, and a storage unit, and the storage unit is at least by a user of the navigation device. Current position information for acquiring the current position information of the user of the navigation device, which is executed in the control unit, and includes point information storage means for storing point information of a search history point that is a point searched in the past The search history point based on the point information stored in the point information storage means, existing in a predetermined range from the current position based on the current position information acquired in the acquisition step and the current position information acquisition step, A candidate point extraction step for extracting the current position correction candidate point and the current position information acquisition step. A point information output step for outputting the current position information acquired in step S1 and the point information of the candidate point extracted in the candidate point extraction step via the output unit; and the input by the user When the point information of the candidate point output in the point information output step via the section is selected, the candidate point based on the selected point information is set as a correction point, and the correction point is set as the current point. And a correction step for correcting as a position.

  Further, the navigation method of the present invention is a navigation method executed in a navigation device including at least an output unit, an input unit, a control unit, and a storage unit, wherein the storage unit is at least the navigation acquired in the past. Point information storage means for storing point information of a movement history point that is a point based on the current position information of the user of the device, and obtains the current position information of the user of the navigation device, which is executed in the control unit Current position information acquisition step, and the movement based on the point information stored in the point information storage means existing in a predetermined range from the current position based on the current position information acquired in the current position information acquisition step A candidate point extracting step for extracting a history point as a candidate point for current position correction, and the current position information The point information output step for outputting the current position information acquired in the acquisition step and the point information of the candidate point extracted in the candidate point extraction step via the output unit, and the user When the point information of the candidate point output in the point information output step via the input unit is selected, the candidate point based on the selected point information is set as a correction point, and the correction point is And a correction step for correcting as the current position.

  The navigation method of the present invention is a navigation method executed in a navigation system, and the navigation system stores at least point information of a search history point which is a point searched in the past by a user of the terminal device. A location information storage means, a current location information acquisition means, a candidate location extraction means, a location information output means, and a correction means, wherein the current location information acquisition means is a current location of a user of the terminal device. A current position information acquisition step for acquiring information; and the candidate point extraction means in the point information storage means that exists in a predetermined range from the current position based on the current position information acquired in the current position information acquisition step. Candidate for extracting the search history point based on the stored point information as a candidate point for current position correction The point extraction step and the point information output means output the current position information acquired in the current position information acquisition step, and the point information of the candidate point extracted in the candidate point extraction step. When the point information output step to be output through the point information output step and the correction means have selected the point information of the candidate point output in the point information output step through the input unit by the user, the selection And a correction step of correcting the candidate point based on the point information as a correction point and correcting the correction point as the current position.

  Further, the navigation method of the present invention is a navigation method executed in a navigation system, and the navigation system includes a movement history point that is a point based on at least a terminal device user's current position information acquired in the past. A location information storage means for storing location information, a current location information acquisition means, a candidate location extraction means, a location information output means, and a correction means, wherein the current location information acquisition means uses the terminal device. The current location information acquisition step for acquiring the current location information of the person, and the candidate location extraction means is located within a predetermined range from the current location based on the current location information acquired by the current location information acquisition step. The movement history point based on the point information stored in the storage means is set as a candidate point for current position correction. The candidate point extraction step to extract and the point information output means output the current position information acquired by the current position information acquisition step and the point information of the candidate point extracted by the candidate point extraction step When the point information output step to be output via the unit and the correction unit select the point information of the candidate point output by the user via the input unit via the input unit, the selection is performed. And a correction step of correcting the candidate point based on the point information as a correction point and correcting the correction point as the current position.

  The navigation method of the present invention is executed in a navigation system in which a navigation server having at least a control unit and a storage unit, and a terminal device having at least an output unit, an input unit, and a control unit are connected so as to be communicable. In the navigation method, the storage unit of the navigation server includes at least point information storage means for storing point information of a search history point that is a point searched in the past by a user of the terminal device. A current position information obtaining step for obtaining current position information of a user of the terminal device, which is executed in the control unit of the terminal device, and transmission from the terminal device, which is executed in the control unit of the navigation server. The current position information receiving step for receiving the current position information of the user of the terminal device. And stored in the point information storage means existing in a predetermined range from the current position based on the current position information received in the current position information reception step executed in the control unit of the navigation server. Candidate point extraction step for extracting the search history point based on the point information as a candidate point for current position correction, and the candidate extracted in the candidate point extraction step executed in the control unit of the navigation server A candidate point information transmitting step for transmitting the point information of the point to the terminal device, and a candidate point for receiving the point information of the candidate point transmitted from the navigation server, which is executed in the control unit of the terminal device Information receiving step and the current position executed in the control unit of the terminal device; The current position information acquired in the information acquisition step and the point information output step for outputting the point information via the output unit, and the user executed by the user in the control unit of the terminal device When the point information of the candidate point output in the point information output step via the input unit is selected, the candidate point based on the selected point information is set as a correction point, and the correction point is set as the correction point. And a correction step for correcting the current position.

  The navigation method of the present invention is executed in a navigation system in which a navigation server having at least a control unit and a storage unit, and a terminal device having at least an output unit, an input unit, and a control unit are connected so as to be communicable. In the navigation method, the storage unit of the navigation server stores point information of a movement history point that is a point based on at least a user's current position information acquired in the past. Means for acquiring current position information of a user of the terminal device, which is executed in the control unit of the terminal device, and executed in the control unit of the navigation server, Current location for receiving the current location information of the user of the terminal device transmitted from the terminal device And stored in the point information storage means existing in a predetermined range from the current position based on the current position information received in the current position information receiving step executed in the control unit of the navigation server. Extracted in the candidate point extracting step for extracting the movement history point based on the point information as a candidate point for current position correction and the candidate point extracting step executed in the control unit of the navigation server A candidate point information transmission step for transmitting the point information of the candidate point to the terminal device, and the point information of the candidate point transmitted from the navigation server, which is executed in the control unit of the terminal device. It is executed in the candidate point information receiving step and the control unit of the terminal device. The current location information acquired in the current location information acquisition step and the location information output step for outputting the location information via the output unit, and the use executed in the control unit of the terminal device When the point information of the candidate point output in the point information output step via the input unit is selected by a person, the candidate point based on the selected point information is set as a correction point, and the correction is performed. And a correction step of correcting the point as the current position.

  The navigation method of the present invention is a navigation method that is executed in a navigation server that includes at least a control unit and a storage unit, and is communicably connected to a terminal device that includes at least an output unit and an input unit. The storage unit includes a point information storage unit that stores at least point information of a search history point that is a point searched in the past by a user of the terminal device, and is executed in the control unit. A current position information acquisition step for acquiring current position information of a user of the device, and the point information storage means existing in a predetermined range from the current position based on the current position information acquired in the current position information acquisition step. A candidate point extraction step for extracting the search history point based on the stored point information as a candidate point for current position correction. A display screen generation step for generating a display screen based on the current position information acquired in the current position information acquisition step and the point information of the candidate points extracted in the candidate point extraction step; An output control step of outputting the output control information via the output unit of the terminal device by transmitting output control information including the display screen to the terminal device, and the input of the terminal device by the user When the point information of the candidate point output in the output control step via the unit is selected, the candidate point based on the selected point information is set as a correction point, and the correction point is the current position. And a correction step of correcting as follows.

  The navigation method of the present invention is a navigation method that is executed in a navigation server that includes at least a control unit and a storage unit, and is communicably connected to a terminal device that includes at least an output unit and an input unit. The storage unit includes point information storage means for storing point information of a movement history point that is a point based on at least a user's current position information acquired in the past, and is executed in the control unit. The current position information acquisition step for acquiring the current position information of the user of the terminal device, and the point existing within a predetermined range from the current position based on the current position information acquired in the current position information acquisition step Candidate sites for extracting the movement history points based on the point information stored in the information storage means as candidate points for current position correction A display screen generation step for generating a display screen based on the extraction step, the current position information acquired in the current position information acquisition step, and the spot information of the candidate spot extracted in the candidate spot extraction step An output control step for outputting the output control information via the output unit of the terminal device by transmitting output control information including the display screen to the terminal device; and When the point information of the candidate point output in the output control step via the input unit is selected, the candidate point based on the selected point information is set as a correction point, and the correction point is set as the correction point. And a correction step for correcting the current position.

  The program of the present invention is a program for causing a navigation device including at least an output unit, an input unit, a control unit, and a storage unit to execute the program. A location information storage means for storing location information of a search history location that is a location searched, and in the control unit, a current location information acquisition step of acquiring current location information of a user of the navigation device; The search history point based on the point information stored in the point information storage means that exists in a predetermined range from the current position based on the current position information acquired in the current position information acquisition step is used for current position correction. The candidate location extraction step for extracting as a candidate location, and the current location acquired in the current location information acquisition step A point information output step for outputting the information and the point information of the candidate point extracted in the candidate point extraction step via the output unit, and the point information output by the user via the input unit When the point information of the candidate point output in step is selected, a correction step for correcting the candidate point based on the selected point information as a correction point and correcting the correction point as the current position; Is executed.

  The program of the present invention is a program for causing a navigation device including at least an output unit, an input unit, a control unit, and a storage unit to execute the program, wherein the storage unit is acquired at least in the past. Current point information storage means for storing point information of a movement history point that is a point based on the current position information of the user, and in the control unit, obtains the current position information of the user of the navigation device The movement history point based on the point information stored in the point information storage means, existing in a predetermined range from the current position based on the current position information acquired in the acquisition step and the current position information acquisition step, Acquired at the candidate point extraction step for extracting as a candidate point for current position correction and the current position information acquisition step. The location information output step for outputting the current location information and the location information of the candidate location extracted in the candidate location extraction step via the output unit, and the user via the input unit When the point information of the candidate point output in the point information output step is selected, the correction based on the selected candidate point based on the selected point information is a correction point, and the correction point is corrected as the current position. And executing the step.

  Further, the program of the present invention is a program for causing a navigation server having at least a control unit and a storage unit, which is communicably connected to a terminal device having at least an output unit and an input unit, to execute the program, The storage unit includes at least point information storage means for storing point information of a search history point that is a point searched in the past by a user of the terminal device. In the control unit, the user of the terminal device Current position information acquisition step for acquiring the current position information, and the position information storage means that is present in a predetermined range from the current position based on the current position information acquired in the current position information acquisition step A candidate point extraction step for extracting the search history point based on the point information as a candidate point for current position correction, and acquisition of the current position information A display screen generating step for generating a display screen based on the current position information acquired in step and the point information of the candidate point extracted in the candidate point extracting step; and output control including the display screen An output control step for outputting the output control information via the output unit of the terminal device by transmitting information to the terminal device; and the output control by the user via the input unit of the terminal device. When the point information of the candidate point output in step is selected, a correction step for correcting the candidate point based on the selected point information as a correction point and correcting the correction point as the current position; Is executed.

  Further, the program of the present invention is a program for causing a navigation server having at least a control unit and a storage unit, which is communicably connected to a terminal device having at least an output unit and an input unit, to execute the program, The storage unit includes point information storage means for storing point information of a movement history point that is a point based on at least a user's current position information acquired in the past, and in the control unit, the terminal A current position information acquisition step for acquiring current position information of a user of the device, and the point information storage means existing in a predetermined range from the current position based on the current position information acquired in the current position information acquisition step. A candidate point extracting step for extracting the movement history point based on the stored point information as a candidate point for current position correction; A display screen generation step for generating a display screen based on the current position information acquired in the position information acquisition step and the spot information of the candidate spot extracted in the candidate spot extraction step; and the display screen An output control step of outputting the output control information via the output unit of the terminal device by transmitting the output control information including the output control information to the terminal device, and the user via the input unit of the terminal device When the point information of the candidate point output in the output control step is selected, a correction for correcting the candidate point based on the selected point information as a correction point and correcting the correction point as the current position And executing the step.

  According to the present invention, the current position information of the user of the navigation device is acquired, and a search history point based on the point information existing within a predetermined range from the current position based on the acquired current position information is selected as a candidate for current position correction. The extracted current position information and the extracted candidate point information are output via the output unit, and the candidate point information output via the input unit is selected by the user. In this case, the candidate point based on the selected point information is set as a correction point, and the correction point is corrected as a current position. There is an effect that the user can select an accurate current position candidate for use in the peripheral search.

  Further, according to the present invention, a search history point based on the point information that exists in a predetermined range from the current position based on the acquired current position information is determined based on the number of searches corresponding to the search history point. Is extracted as a candidate point to be corrected, so that it is possible to cause the user to select a point that is highly likely to be visited by the user and that is of great interest to the user as a candidate for the current position correction.

  In addition, according to the present invention, a search history point based on point information that exists within a predetermined range from the current position based on the acquired current position information is determined based on the search time corresponding to the search history point. Is extracted as a candidate point to be corrected, so that it is possible to allow the user to select a point where the user is likely to stop and the user is recently interested as a candidate for the current position correction.

  Further, according to the present invention, it is determined whether or not the positioning accuracy of the acquired current position information is lower than a predetermined value, and when it is determined that the positioning accuracy is lower than the predetermined value, the current based on the acquired current position information Since a search history point based on point information existing within a predetermined range from the position is extracted as a candidate point for correcting the current position, search is performed when there is a high possibility that incorrect current position information is provided to the user. There is an effect that the user can select the history point as a candidate for the current position correction. In addition, according to the present invention, the current position correction is not requested from the user until there is a high possibility that the correct current position information is provided to the user, so that the user's troublesomeness can be reduced.

  Further, according to the present invention, when current position information derived from a base station for performing GPS or wireless communication is acquired, and current position information derived from a base station is acquired, a predetermined position is determined from the current position based on the current position information. Since the search history point based on the point information existing in the range is extracted as a candidate point for correcting the current position, the position information about the location of the base station is likely to be provided to the user as the current position information. In this case, it is possible to cause the user to select a search history point that is likely to stop by the user as a candidate for the current position correction.

  Further, according to the present invention, the current position information of the user of the navigation device is acquired, and the movement history point based on the point information existing within a predetermined range from the current position based on the acquired current position information is corrected to the current position. The current location information extracted and the extracted location information of the candidate location are output via the output unit, and the location information of the candidate location output by the user via the input unit is If selected, the candidate point based on the selected point information is used as a correction point, and the correction point is corrected as the current position. There is an effect that the user can select a point as an accurate current position candidate for use in route search and surrounding search.

  Further, according to the present invention, the current position is determined based on the number of times corresponding to the movement history point, the movement history point based on the point information existing in the predetermined range from the current position based on the acquired current position information. Since it is extracted as a candidate point to be corrected, it is possible to cause the user to select a point where the user is likely to stop and a frequently used point such as the user's home or office as a candidate for the current position correction.

  Further, according to the present invention, the movement history point based on the point information existing within the predetermined range from the current position based on the acquired current position information is converted into the current position based on the acquisition time corresponding to the movement history point. Is extracted as a candidate point to be corrected, so that it is possible to allow the user to select a point at which the user has recently dropped in as a current position correction candidate.

  Further, according to the present invention, it is determined whether or not the positioning accuracy of the acquired current position information is lower than a predetermined value, and when it is determined that the positioning accuracy is lower than the predetermined value, the current based on the acquired current position information Since a movement history point based on point information existing within a predetermined range from the position is extracted as a candidate point for correcting the current position, the movement is performed when there is a high possibility that the user is providing incorrect current position information. There is an effect that the user can select the history point as a candidate for the current position correction. In addition, according to the present invention, the current position correction is not requested from the user until there is a high possibility that the correct current position information is provided to the user, so that the user's troublesomeness can be reduced.

  Further, according to the present invention, when current position information derived from a base station for performing GPS or wireless communication is acquired, and current position information derived from a base station is acquired, a predetermined position is determined from the current position based on the current position information. Since the movement history point based on the point information existing in the range is extracted as a candidate point for correcting the current position, the position information about the location of the base station is likely to be provided to the user as the current position information. In this case, it is possible to cause the user to select a movement history point that is likely to stop by the user as a candidate for the current position correction.

  Further, according to the present invention, the correction point based on the point information that exists in the predetermined range from the current position based on the acquired current position information is extracted as the candidate point for correcting the current position, so that the user can stop by There is an effect that it is possible to allow the user to select a point that has been selected as a correction point in the past and has been visited by the user in the past as a candidate for the current position correction.

  In addition, according to the present invention, the POI point based on the point information that exists within a predetermined range from the current position based on the acquired current position information is extracted as a candidate point for correcting the current position, so that the user can stop by There is an effect that it is possible to allow the user to select peripheral facilities and the like that are highly interesting and are of interest to an unspecified number of people including the user as candidates for current position correction.

  In the above description, the navigation apparatus of the present invention has been described as an example. However, the terminal apparatus, the navigation system, the navigation server, the navigation method, and the program have the same effects.

FIG. 1 is a block diagram illustrating an example of a configuration of a navigation system according to the first embodiment. FIG. 2 is a flowchart illustrating an example of processing of the navigation system according to the first embodiment. FIG. 3 is a diagram illustrating an example of candidate point extraction for correcting the current position in the present embodiment. FIG. 4 is a diagram illustrating an example of a display screen in the present embodiment. FIG. 5 is a diagram illustrating an example of a display screen in the present embodiment. FIG. 6 is a diagram illustrating an example of a display screen in the present embodiment. FIG. 7 is a block diagram showing an example of the configuration of the navigation server in the second embodiment. FIG. 8 is a flowchart illustrating an example of processing of the navigation server in the second embodiment. FIG. 9 is a block diagram illustrating an example of a configuration of the navigation device according to the third embodiment. FIG. 10 is a flowchart illustrating an example of processing of the navigation device according to the third embodiment.

  Hereinafter, embodiments of a navigation system, a terminal device, a navigation server, a navigation device, a navigation method, and a program according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

  Hereinafter, with regard to the configuration and processing of the present invention, the first embodiment (navigation system), the second embodiment (navigation server (server-driven type)), and the third embodiment (navigation device (stand-alone type)) Details will be described in order.

[First Embodiment]
First, a first embodiment (navigation system) of the present invention will be described below with reference to FIGS. However, the following first embodiment exemplifies a navigation system for embodying the technical idea of the present invention, and is not intended to specify the present invention in this navigation system. It is equally applicable to the navigation systems of other embodiments that fall within the scope of the claims. For example, the form of function distribution on the server side and the terminal side in the navigation system exemplified in the first embodiment is not limited to the following, and functionally or physically in arbitrary units as long as similar effects and functions can be achieved. It can be configured to be distributed and integrated.

[Navigation system configuration]
First, an example of the configuration of the navigation system in the first embodiment will be described below with reference to FIG. Here, FIG. 1 is a block diagram showing an example of the configuration of the navigation system in the first embodiment, and conceptually shows only the portion related to the present invention in the configuration. In the present embodiment, a navigation system that provides communication-type navigation will be described as a specific example. However, the present invention is not limited to this and can be applied to a stand-alone navigation system.

  As shown in FIG. 1, in the navigation system of the first embodiment, the navigation server 200 generally includes at least a control unit 202 and a storage unit 206, and the terminal device 100 includes a position acquisition unit 112 and At least an output unit (display unit 114 and audio output unit 118), an input unit 116, and a control unit 102 are provided.

[Configuration of Navigation Server 200]
Here, in FIG. 1, the navigation server 200 receives the current position information of the user of the terminal device 100 transmitted from the terminal device 100, and exists within a predetermined range from the current position based on the received current position information. The search history point or the movement history point is extracted as a candidate point for current position correction, and the point information of the extracted candidate point is transmitted to the terminal device 100. The navigation server 200 is connected to the terminal device 100 through the communication control interface unit 204 via the network 300 so as to be able to communicate with each other, and includes a control unit 202 and a storage unit 206. The control unit 202 is a control unit that performs various processes. The communication control interface unit 204 is an interface connected to a communication device (not shown) such as an antenna or a router connected to a communication line, a telephone line, etc., and performs communication control between the navigation server 200 and the network 300. Has the function to perform. That is, the communication control interface unit 204 has a function of communicating data with the terminal device 100 or the like via a communication line. The storage unit 206 is a fixed disk device such as an HD (Hard Disk) and storage means such as an SSD (Solid State Drive), and stores various databases and tables (a point information database 206a, a map database 206b, and the like). .

  Among these components of the storage unit 206, the point information database 206a is point information storage means for storing point information of points on the map. Here, the point information includes a point number (for example, ID, etc.), a position name, position coordinates such as latitude and longitude altitude, and point attribute information (location name, usage form, owner, user, store name, corporation name). Name, company name, school name, address, postal code, telephone number, etc.). In addition, the point information database 206a stores at least point information of search history points that are points that have been searched in the past by the user of the terminal device 100. Further, the point information database 206a may further store the number of point search searches in association with the search history points. Further, the point information database 206a may further store the search time of the point search in association with the search history point. The point information database 206a stores at least point information of a movement history point that is a point based on the current position information of the user of the terminal device 100 acquired in the past. Further, the point information database 206a may further store the number of times the current position information of the movement history point is acquired by the control unit 102 of the terminal device 100 within a predetermined period in association with the movement history point. Further, the point information database 206a may further store the acquisition time when the current position information of the movement history point is acquired by the control unit 102 of the terminal device 100 in association with the movement history point. Further, the point information database 206a further stores the point information of the corrected point corrected as the current position information of the user of the terminal device 100 by the control unit 102 of the terminal device 100 in association with the current position information. Also good. The point information database 206a includes data before correction (current position information of the user of the terminal device 100 received from the terminal device 100) and data after correction (point information of the correction point) stored in association with each other. You may memorize | store not only a user's data but the data of others (other users) as the combined statistical data. Further, the point information database 206a may further store point information of a POI point that is a point where a POI (point of interest) exists.

  Here, the POI is, for example, a specific point or facility that a person perceives as a convenient place or an interesting place, and is a store, company, office, public facility, entertainment facility, and outdoor facility. Etc. Here, the stores include, for example, restaurants, grocery stores, liquor stores, tobacco stores, department stores, shopping centers, supermarkets, convenience stores, gas stations, financial institutions, post offices, multi-storey parking lots, hotels and inns, etc. It may be an accommodation facility. The public facility may be, for example, a government office, a police station, a police box, a fire station, a station, a medical institution, a museum, a museum, a school, and the like. The entertainment facility may be, for example, a movie theater, a theater, an amusement park, a pachinko parlor, a casino, and a racetrack. The outdoor facility may be a bus terminal, a park, an amusement park, a campsite, a communication passage, an outdoor parking lot, a zoo, or the like. The point information of these POI points is stored in advance in the point information database 206a, and the control unit 202 of the navigation server 200 periodically provides the latest data via an external device (for example, map information) via the network 300. The point information of the POI point downloaded from the map information providing server or the like and stored in the point information database 206a may be updated.

  The map database 206b is map data storage means for storing map map data. Here, in the present invention, the map data stored in the map database 206b is, for example, map data meshed according to a scale (for example, JIS standard first to third region division mesh data, 100m mesh data, etc. ) Or other outdoor map data. The map database 206b may store outdoor map data such as road maps and route maps in the whole country and each region. Further, the map database 206b may further store indoor map data such as a floor guide map related to a building having height information (for example, a multilevel parking lot, a station, a department store, and a school).

  The map data stored in the map database 206b includes features displayed on the map (for example, buildings such as buildings, houses and stations, roads, railroads, bridges, tunnels, contour lines, coast lines, lake shore lines, etc. Shape data on the shape of water lines, seas, rivers, lakes, ponds, swamps, places such as parks and outdoor facilities, administrative boundaries, administrative districts, and city blocks), notes displayed on the map (for example, place names) , Address, telephone number, facility name of shops, parks, stations, etc., names including landmarks, historic sites, rivers, lakes, bays, mountains, forests, etc., names of roads, bridges, tunnels, route names, point information , And word-of-mouth information, etc., and symbols displayed on the map (for example, map symbols such as mountains, historic sites, temples, schools, hospitals, factories and cemeteries, gas stations, convenience stores, supermarkets, restaurants) Store symbols such as banks and post offices, road signals, toll road entrances, toll gates, service areas, parking areas and interchange symbols, parking lots, station, hotel, museum and facility symbols, and It may include data such as symbol data of a review point symbol).

  In addition, the indoor map data stored in the map database 206b may include local route data for indoor routes in a facility such as a facility. Here, the premise route data may be data based at least on travel route data in a premise such as a station and map data of a map (facility guide map) including the travel route. For example, the campus route data may be image data in which a moving route is drawn on the facility guide map. In addition, for example, the campus route data may further include message data explaining the travel route. Here, the travel route based on the travel route data may be an optimal route (for example, a shortest route or a barrier-free route) that connects ticket gates or the like when transferring a plurality of transportation facilities within a facility.

  Further, the outdoor map data and the indoor map data may be image data for map drawing in a raster format or a vector format. The outdoor map data and the indoor map data are stored in advance in the map database 206b, and the control unit 202 of the navigation server 200 periodically provides the latest data via an external device (for example, map data). The outdoor map data and indoor map data downloaded from the map providing server or the like and stored in the map database 206b may be updated.

  The control unit 202 has an internal memory for storing a control program such as an OS (Operating System), a program that defines various processing procedures, and necessary data. And the control part 202 performs the information processing for performing various processes with these programs. The control unit 202 includes a point search unit 202a, a current position information reception unit 202b, a candidate point extraction unit 202c, a candidate point information transmission unit 202d, and a correction point information reception unit 202e in terms of functional concept.

  Among these, the point search part 202a is a point search means for searching for a point on the map and specifying the point as a search history point. Here, the point search unit 202a may search for a point on the map using the map data stored in the map database 206b. Further, the spot search unit 202a may receive spot search character information serving as a search condition transmitted from the terminal device 100, and search for a spot on the map based on the spot search character information. Here, the point search character information may be a store name, a corporate name, various chain store names, a part of a place name, a telephone number, a zip code, or the like. Moreover, the point search part 202a may store the point information of the specified search history point in the point information database 206a. Here, the search history point may be a point searched in the past by the point search unit 202a.

  The current position information receiving unit 202b is current position information receiving means for receiving the current position information of the user of the terminal device 100 transmitted from the terminal device 100. Here, the current location information receiving unit 202b may store the location information of the movement history point, which is a location based on the received current location information of the user of the terminal device 100, in the location information database 206a. Here, the movement history point may be a point based on the current position information of the user of the terminal device 100 acquired in the past by the control unit 102 of the terminal device 100.

  In addition, the candidate point extraction unit 202c selects a point based on the point information stored in the point information database 206a that exists within a predetermined range from the current position based on the current position information of the user of the terminal device 100 as a candidate for the current position correction. Candidate point extraction means for extracting as a point. Here, the candidate point extraction unit 202c sets the search history point based on the point information stored in the point information database 206a existing in the predetermined range from the current position based on the current position information of the user of the terminal device 100 as the current position. It may be extracted as a candidate point for correction. Further, the candidate point extraction unit 202c selects a search history point based on the point information stored in the point information database 206a that exists in a predetermined range from the current position based on the current position information of the user of the terminal device 100, as the point information database. Based on the number of searches corresponding to the search history point stored in 206a, the current position correction candidate point may be extracted. Further, the candidate point extraction unit 202c selects a search history point based on the point information stored in the point information database 206a that exists in a predetermined range from the current position based on the current position information of the user of the terminal device 100, as the point information database. Based on the search time corresponding to the search history point stored in 206a, the current position correction candidate point may be extracted. In addition, when the control unit 102 of the terminal device 100 determines that the positioning accuracy is lower than the predetermined value, the candidate point extraction unit 202c exists within a predetermined range from the current position based on the current position information of the user of the terminal device 100. A search history point based on the point information stored in the point information database 206a may be extracted as a candidate point for current position correction. In addition, when the current location information derived from the base station for performing wireless communication is acquired by the control unit 102 of the terminal device 100, the candidate location extraction unit 202c is based on the current location information of the user of the terminal device 100. A search history point based on the point information stored in the point information database 206a existing in a predetermined range from the point may be extracted as a candidate point for current position correction.

  In addition, the candidate point extraction unit 202c corrects the current position of the movement history point based on the point information stored in the point information database 206a that exists within a predetermined range from the current position based on the current position information of the user of the terminal device 100. It may be extracted as a candidate point. In addition, the candidate point extraction unit 202c determines a movement history point based on the point information stored in the point information database 206a that exists in a predetermined range from the current position based on the current position information of the user of the terminal device 100, as the point information database. Based on the number of times the current position information of the movement history point is acquired by the control unit 102 of the terminal device 100 within the predetermined period corresponding to the movement history point stored in 206a, the current position correction candidate point is extracted. May be. In addition, the candidate point extraction unit 202c determines a movement history point based on the point information stored in the point information database 206a that exists in a predetermined range from the current position based on the current position information of the user of the terminal device 100, as the point information database. Based on the acquisition time corresponding to the movement history point stored in 206a, the current position correction candidate point may be extracted. In addition, when the control unit 102 of the terminal device 100 determines that the positioning accuracy is lower than the predetermined value, the candidate point extraction unit 202c exists within a predetermined range from the current position based on the current position information of the user of the terminal device 100. A movement history point based on the point information stored in the point information database 206a may be extracted as a candidate point for current position correction. In addition, when the current location information derived from the base station for performing wireless communication is acquired by the control unit 102 of the terminal device 100, the candidate location extraction unit 202c is based on the current location information of the user of the terminal device 100. A movement history point based on the point information stored in the point information database 206a existing in a predetermined range from the above may be extracted as a candidate point for current position correction.

  Further, the candidate point extraction unit 202c further determines a correction point based on the point information stored in the point information database 206a that exists in a predetermined range from the current position based on the current position information of the user of the terminal device 100 as the current position. It may be extracted as a candidate point for correction. In addition, the candidate point extraction unit 202c further selects a POI point based on the point information stored in the point information database 206a that exists in a predetermined range from the current position based on the current position information of the user of the terminal device 100. It may be extracted as a candidate point for correction.

  The candidate spot information transmitting unit 202d is a candidate spot information transmitting unit that transmits the spot information of the candidate spot extracted by the candidate spot extracting unit 202c to the terminal device 100. Here, the candidate location information transmission unit 202d further stores the current location based on the current location information of the user of the terminal device 100 received by the current location information reception unit 202b and / or stored in the map database 206b. Map data of a map including candidate points may be extracted from the map database 206 b and transmitted to the terminal device 100.

  The corrected spot information receiving unit 202e is a corrected spot information receiving unit that receives the spot information of the corrected spot that is transmitted from the terminal apparatus 100 and corrected as the current position of the user of the terminal apparatus 100. Here, the correction point information receiving unit 202e stores the received point information of the correction point corrected as the current position of the user of the terminal device 100 in the point information database 206a in association with the current position information of the current position. May be.

[Configuration of Terminal Device 100]
Further, in FIG. 1, the terminal device 100 acquires the current position information of the user of the terminal device 100, receives the point information of the candidate points transmitted from the navigation server 200, and the acquired current position information, and When the point information is output via the output unit and the point information of the candidate point output via the input unit 116 is selected by the user, the candidate point based on the selected point information is set as the correction point. And a function of correcting the correction point as the current position. The terminal device 100 is, for example, a commercially available information processing device such as a desktop or notebook personal computer, a mobile terminal device such as a mobile phone, a smartphone, a PHS, and a PDA, and a navigation terminal that performs travel route guidance and the like. (For example, a car navigation device). Here, the terminal device 100 may be equipped with an Internet browser or the like, or may be equipped with a route guidance application, a transfer guidance application, an information search application, or the like. In addition, the terminal device 100 includes a position acquisition unit 112 having a GPS function, an IMES function, and the like so that the current position can be acquired in real time. In addition, the terminal device 100 includes an output unit including at least a display unit 114 and an audio output unit 118.

  Here, the display unit 114 is a display unit (for example, a display and a monitor including a liquid crystal or an organic EL) that displays a display screen of an application or the like. The sound output unit 118 is sound output means (for example, a speaker) that outputs sound data as sound. In addition, the terminal device 100 includes an input unit 116 (for example, a key input unit, a touch panel, a keyboard, and a microphone) that inputs search conditions. The input / output control interface unit 108 controls the position acquisition unit 112, the display unit 114, the input unit 116, the audio output unit 118, and the like.

  Here, the position acquisition unit 112 may be, for example, a signal receiving unit that receives a position information signal transmitted from the position transmitting device 500. Here, the position transmitting device 500 may be a GPS device that transmits a position information signal (GPS signal). Further, the position transmission device 500 may be a base station (for example, a mobile phone, a car phone, a PHS base station, or the like) that is a device for performing wireless communication with the terminal device 100. Further, the position transmission device 500 may be an IMES device that realizes an IMES (Indoor Message System) technology that enables indoor positioning using a position information signal having characteristics similar to those of a GPS signal. The IMES technology is a system developed from the framework of the quasi-zenith satellite, which is a positioning satellite system.

  Further, the position transmission device 500 may be a GPS repeater that transmits a GPS signal received outdoors indoors. Further, the position transmitting device 500 is arbitrarily installed on each floor of a building (for example, a multilevel parking lot) or an underground structure (for example, a subway station, an underground shopping area, an underground communication passage, and an underground parking lot). A small transmitter may be used. In addition, self-position information (position ID etc.) according to an installation place is allocated to this small transmitter. When the terminal device 100 enters the communicable range, the terminal device 100 receives the self-position information transmitted from the small transmitter as a position information signal. The communication method at this time may be, for example, various short-range wireless methods such as an RFID (Radio Frequency Identification) tag system and Bluetooth (registered trademark), an infrared communication method, and the like. Further, the position transmission device 500 may be a wireless LAN access point. In the present embodiment, the location acquisition unit 112 may receive wireless LAN signals and acquire access point identification information. Then, the control unit 102 may acquire the position information by specifying the position of the access point from the identification information unique to the access point acquired by the position acquisition unit 112. In the present embodiment, the control unit 102 may calculate position information including latitude, longitude, and height information from the position information signal acquired by the position acquisition unit 112.

  In addition, the position acquisition unit 112, for example, based on orientation information such as a traveling direction of the terminal device 100 detected by the orientation sensor, distance information detected by the distance sensor, and map data, based on the map data. You may acquire the positional information which shows a present position. Here, a geomagnetic sensor that detects the absolute traveling direction of the terminal device 100 and an optical gyro that detects the relative traveling direction of the terminal device 100 may be used as the direction sensor. In addition, the orientation sensor may be an electronic compass or the like that can acquire information related to orientation and inclination by combining a geomagnetic sensor and an acceleration sensor.

  The communication control interface unit 104 is an interface connected to a communication device (not shown) such as an antenna or a router connected to a communication line, a telephone line, etc., and communicates between the terminal device 100 and the network 300. It has a function to perform control. That is, the communication control interface unit 104 has a function of communicating data with the navigation server 200 or the like via a communication line. The network 300 has a function of interconnecting the terminal device 100 and the navigation server 200 with an external device such as an external map providing server or an external system, and includes, for example, the Internet, a telephone line network (portable terminal line network) And a general telephone line network), an intranet, or power line communication (PLC).

  The control unit 102 includes an internal memory for storing a control program such as an OS, a program defining various processing procedures, and necessary data. And the control part 102 performs the information processing for performing various processes by these programs. The control unit 102 is functionally conceptually configured as a current position information acquisition unit 102a, a point search character information transmission unit 102b, an accuracy determination unit 102c, a current position information transmission unit 102d, a candidate point information reception unit 102e, a point information output unit 102f, A correction unit 102g and a correction point information transmission unit 102h are provided.

  Here, the current position information acquisition unit 102a is a current position information acquisition unit that acquires the current position information of the user of the terminal device 100. Here, the current position information acquisition unit 102a may acquire the current position information of the user of the terminal device 100 derived from the base station for performing GPS or wireless communication. The current position information acquisition unit 102a may acquire the current position information of the user of the terminal device 100 every predetermined time (predetermined period) (for example, every 1 second or every 3 minutes). In addition, the current position information acquisition unit 102a may acquire the position information calculated from the position information signal received from the position transmission device 500 by the position acquisition unit 112 as the current position information of the user of the terminal device 100. Further, the current position information acquisition unit 102a may further acquire direction information such as the traveling direction of the terminal device 100 detected by the direction sensor or the like of the position acquisition unit 112 as the current position information of the user of the terminal device 100. Good.

  The point search character information transmission unit 102 b is a point search character information transmission unit that transmits point search character information (to be a search condition) for searching for a point on the map to the navigation server 200. Here, the point search character information transmission unit 102b may transmit the point search character information input by the user via the input unit 116 to the navigation server 200.

  The accuracy determination unit 102c is an accuracy determination unit that determines whether or not the positioning accuracy of the current location information of the user of the terminal device 100 acquired by the current location information acquisition unit 102a is lower than a predetermined value. Here, the positioning accuracy may be a precision that means closeness to the sample average of repeated observed values. Further, the positioning accuracy may be an accuracy that means the closeness of the observed value to the true value.

  The current position information transmitting unit 102d is a current position information transmitting unit that transmits the current position information of the user of the terminal device 100 acquired by the current position information acquiring unit 102a to the navigation server 200. Here, the current position information transmission unit 102d is acquired by the current position information acquisition unit 102a when the accuracy determination unit 102c determines that the positioning accuracy of the current position information of the user of the terminal device 100 is lower than a predetermined value. The current position information of the user of the terminal device 100 may be transmitted to the navigation server 200. Further, when the current position information transmission unit 102d acquires the current position information of the user of the terminal device 100 derived from the base station for performing wireless communication by the current position information acquisition unit 102a, the current position information acquisition unit 102a The acquired current position information of the user of the terminal device 100 may be transmitted to the navigation server 200.

  The candidate spot information receiving unit 102e is a candidate spot information receiving unit that receives spot information of candidate spots transmitted from the navigation server 200. Here, the candidate location information receiving unit 102e is further transmitted from the navigation server 200, based on the current location information of the user of the terminal device 100 acquired by the current location information acquisition unit 102a, and / or You may receive the map data of the map containing a candidate point.

  The point information output unit 102f is a point information output unit that outputs the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 102a and / or the point information via the output unit. . Here, the spot information may be spot information of candidate spots. Further, the point information may be point information of a correction point. Further, the point information output unit 102f further includes a current map based on the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 102a and / or a map including a point based on the point information. Data may be output via the output unit. The point information output unit 102f causes the display unit 114 to display a display screen based on the current position information, the point information, and / or the map data of the user of the terminal device 100 acquired by the current position information acquisition unit 102a. May be. Here, for example, the spot information output unit 102f may cause the display unit 114 to display a display screen based on character information such as names of candidate spots. Further, for example, the point information output unit 102f displays a display screen in which the current position information of the user of the terminal device 100 and / or the point information of the candidate point or the correction point is superimposed on the map data of the map including the candidate point. May be displayed on the display unit 114. Further, the spot information output unit 102f causes the voice position data associated with the current position information of the user of the terminal device 100 and / or the spot information of the candidate spot or the correction spot to be output via the voice output unit 118. May be. For example, the spot information output unit 102f may output voice guidance data associated with a candidate spot name or the like via the voice output unit 118.

  Moreover, the correction | amendment part 102g correct | amends the said candidate spot based on the said selected said spot information, when the spot information of the candidate spot output by the spot information output part 102f via the input part 116 is selected by the user. A correction unit that corrects the correction point as the current position of the user of the terminal device 100.

  The correction point information transmission unit 102h is correction point information transmission means for transmitting the point information of the correction point corrected as the current position of the user of the terminal device 100 by the correction unit 102g to the navigation server 200.

  Above, description of an example of a structure of the navigation system in 1st Embodiment is finished.

[Navigation system processing]
Next, an example of processing of the navigation system according to the first embodiment configured as described above will be described in detail with reference to FIGS. FIG. 2 is a flowchart illustrating an example of processing of the navigation system according to the first embodiment.

  As shown in FIG. 2, first, the current location information acquisition unit 102a of the terminal device 100 obtains the location information calculated from the location information signal received from the location transmission device 500 by the location acquisition unit 112 of the user of the terminal device 100. Obtained as current position information (step SA-1). Here, the position transmission device 500 may be a GPS device or a base station for performing wireless communication. Further, the position information calculated from the position information signal received from the position transmitter 500 which is a base station by the position acquisition unit 112 may be position information about the location of the base station.

  Then, the accuracy determination unit 102c of the terminal device 100 determines whether or not the positioning accuracy of the current location information of the user of the terminal device 100 acquired by the current location information acquisition unit 102a is lower than a predetermined value (step SA-2). ).

  Then, the accuracy determination unit 102c of the terminal device 100 determines that the positioning accuracy of the current location information of the user of the terminal device 100 acquired by the current location information acquisition unit 102a in step SA-2 is not lower than a predetermined value. If so (step SA-2: No), the process is terminated.

  On the other hand, the current position information transmitting unit 102d of the terminal device 100 determines that the accuracy determination unit 102c determines that the positioning accuracy of the current position information of the user of the terminal device 100 is lower than a predetermined value in Step SA-2 (Step S2). (SA-2: Yes), the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 102a is transmitted to the navigation server 200 (step SA-3).

  Then, the navigation server 200 current location information receiving unit 202b receives the current location information of the user of the terminal device 100 transmitted from the terminal device 100, and a point based on the received current location information of the user of the terminal device 100. Is stored in the point information database 206a (step SA-4).

  And the candidate point extraction part 202c of the navigation server 200 is memorize | stored in the point information database 206a which exists in the predetermined range from the present position based on the present position information of the user of the terminal device 100 received by the present position information receiving part 202b. The search history point based on the set point information is extracted as a candidate point for the current position correction (step SA-5). Here, the search history point is a point on the map that has been searched for in the past based on the point search character information input by the user via the input unit 116 of the terminal device 100 by the point search unit 202a. May be. Further, the candidate point extraction unit 202c is the point information stored in the point information database 206a that exists within a predetermined range from the current position based on the current position information of the user of the terminal device 100 received by the current position information receiving unit 202b. Based on the number of searches corresponding to the search history point stored in the point information database 206a and / or the search time corresponding to the search history point stored in the point information database 206a. It may be extracted as a candidate point for current position correction.

  Further, the candidate point extraction unit 202c is the point information stored in the point information database 206a that exists within a predetermined range from the current position based on the current position information of the user of the terminal device 100 received by the current position information receiving unit 202b. May be extracted as a candidate point for current position correction. Further, the candidate point extraction unit 202c is the point information stored in the point information database 206a that exists within a predetermined range from the current position based on the current position information of the user of the terminal device 100 received by the current position information receiving unit 202b. The number of times the current position information of the movement history point is acquired by the control unit 102 of the terminal device 100 within a predetermined period corresponding to the movement history point stored in the point information database 206a, and / or Or you may extract as a candidate point of present position correction | amendment based on the acquisition time corresponding to the said movement history point memorize | stored in the point information database 206a. Here, the movement history point may be a point based on the current position information of the user of the terminal device 100 acquired in the past by the current position information acquisition unit 102a of the terminal device 100.

  In addition, when the current location information derived from the base station for performing wireless communication is acquired by the control unit 102 of the terminal device 100, the candidate location extraction unit 202c of the terminal device 100 received by the current location information receiving unit 202b. A search history point and / or a movement history point based on the point information stored in the point information database 206a existing within a predetermined range from the current position based on the current position information of the user is extracted as a candidate point for current position correction. May be. That is, these processes may be applied only when the positioning accuracy of the current position information acquired first is poor, or when the positioning is not possible with the GPS and the base station positioning is performed. Further, the candidate point extraction unit 202c is further stored in the point information database 206a existing within a predetermined range from the current position based on the current position information of the user of the terminal device 100 received by the current position information receiving unit 202b. A correction point based on the point information may be extracted as a candidate point for current position correction. Further, the candidate point extraction unit 202c is further stored in the point information database 206a existing within a predetermined range from the current position based on the current position information of the user of the terminal device 100 received by the current position information receiving unit 202b. A POI point based on the point information may be extracted as a candidate point for current position correction.

  Here, an example of candidate point extraction for correcting the current position in the present embodiment will be described with reference to FIG. FIG. 3 is a diagram illustrating an example of candidate point extraction for correcting the current position in the present embodiment.

  As shown in FIG. 3, the star (☆) represents the current position information of the user of the terminal device 100 received from the terminal device 100 as it is. Then, the candidate point extraction unit 202c of the navigation server (position information server) 200 extracts the search history points A to D within a radius of 100 m around the star (☆), and this is extracted by the user of the terminal device 100. The current position correction candidate point. The search history point is a point that the user stored in the point information database 206a (search history) has searched in the past, and may be a point on the map, an address (a representative point), and a facility. . As described above, in the present embodiment, the search history point that the user has searched for in the past to obtain detailed information as the destination is set as a candidate point for the current position correction. Therefore, in this embodiment, for example, when positioning is performed at a frequently-used store, the positioning accuracy is poor because it is in the store, and if a positioning result including an error is acquired, the search history point is Since it is extracted as a candidate point for correction of the current position, the current position can be corrected smoothly.

  In addition, candidate points for current position correction include, among points and facilities used in the past stored in the point information database 206a (position history), points and facilities that are frequently used, points and facilities that are frequently searched, and the like. In some cases, they may be used with higher priority. In addition, the candidate points for the current position correction include, among the points and facilities with the search history stored in the point information database 206a (search history), the frequently used points and facilities, the frequently searched points and facilities are around. In some cases, they may be used with higher priority. In addition, among candidate points and facilities stored in the position history in the past, only candidate points that may be reused as candidate points for position correction in the future are selected. It may be. In addition, as for candidate points, only points that have a search history stored in the search history and facilities that may be reused as candidate points for which the user will perform position correction in the future have been selected. It may be. Moreover, you may make it use a candidate point, raising the priority of the spot and facility which remain in the latest search log | history or utilization log | history. In addition, as candidate points, data before and after correction may be stored and used. For example, as a candidate point, a point determined as a destination for correcting the result of positioning at the star (☆) point shown in FIG. 3 may be registered as a usage history. Then, the candidate point extraction unit 202c determines that the position measurement result (the current position information of the user of the terminal device 100 received from the terminal device 100) is a predetermined distance from the point of the star (☆) or the star (☆). When it is within the vicinity, a predetermined number of higher-order points registered in association with the position or area of the star (☆) may be extracted as candidate points to be corrected.

  Returning to FIG. 2, the candidate location information transmission unit 202 d of the navigation server 200 stores the current location based on the current location information of the user of the terminal device 100 received by the current location information reception unit 202 b stored in the map database 206 b. And the map data of the map containing the candidate point extracted by the candidate point extraction part 202c is extracted from the map database 206b, The point information of the said candidate point memorize | stored in the point information database 206a, and the said map data are used as a terminal device. 100 (step SA-6).

  And the candidate point information receiving part 102e of the terminal device 100 receives the point information and map data of the candidate point transmitted from the navigation server 200 (step SA-7).

  The point information output unit 102f of the terminal device 100 includes the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 102a, the point information of the candidate point received by the candidate point information reception unit 102e, In addition, a display screen based on the current location based on the current location information received by the candidate location information receiving unit 102e and the map data of the map including the candidate location is displayed on the display unit 114 (step SA-8). . Here, the point information output unit 102f may further cause the display unit 114 to display a display screen based on character information such as names of candidate points. Further, for example, the location information output unit 102f displays the current location information of the user of the terminal device 100 and the location information of the candidate location on the map data of the map including the current location and the candidate location of the user of the terminal device 100. May be displayed on the display unit 114. Further, for example, the spot information output unit 102f may output voice guidance data associated with the names of candidate spots and the like via the voice output unit 118.

  And the correction | amendment part 102g of the terminal device 100 is the said based on the said selected said spot information, when the spot information of the candidate spot output by the spot information output part 102f via the input part 116 is selected by the user. The candidate point is set as a correction point, and the correction point is corrected as the current position of the user of the terminal device 100 (step SA-9).

  Here, an example of the correction point setting in the present embodiment will be described with reference to FIGS. 4 to 6. 4 to 6 are diagrams showing examples of display screens in the present embodiment.

  As shown in FIG. 4, the location information output unit 102f displays the current location information (positioning result) of the user of the terminal device 100 acquired by the current location information acquisition unit 102a indicated by a star (☆) on the map data. In addition, a display screen on which the spot information of the search history points A to C, which are correction candidate points, is superimposed is displayed on the display unit 114. Then, the user selects the spot information of the search history points A to C displayed on the display screen so as to be selectable via the input unit 116 (for example, the spot information of the search history points A to C on the touch panel). The positioning result can be corrected by tapping.

  Further, as illustrated in FIG. 5, the point information output unit 102 f displays the current position information (positioning) of the user of the terminal device 100 acquired by the current position information acquisition unit 102 a indicated by a star (☆) on the map data. The display unit 114 displays a display screen on which the result) is superimposed, and a display screen in which the character information of the names of the search history points A to C, which are correction candidate points, is displayed as a list. Here, in FIG. 5, the point information output unit 102f may display a display screen in which the positioning results and the point information of the search history points A to C are superimposed on the map data, as in FIG. Good. The user can correct the positioning result by selecting the character information of the names of the search history points A to C as correction destinations from the list via the input unit 116. For example, when there is only one correction destination, the point information output unit 102f may display the result of correction in advance without displaying the selection screen.

  Further, as illustrated in FIG. 6, the point information output unit 102 f displays the current position information (positioning) of the user of the terminal device 100 acquired by the current position information acquisition unit 102 a indicated by a cross (+) on the map data. A display screen on which the result) is superimposed, a character information of the names of the correction candidate points A to E and an icon indicating the attribute of each candidate point in a list, and a display screen showing a legend of the icon 114 is displayed. Here, the attributes are that the candidate point is a search history point, a movement history point (positioning history point), a popular spot (POI point), and a recent use (search within a predetermined period). Alternatively, it may be information indicating that the point is acquired. Specifically, as illustrated in FIG. 6, the correction candidate point A is the most recently used movement history point, the correction candidate point B is the most recently used search history point, and the correction candidate point C is the number of searches. The correction candidate point D is a frequently used movement history point, and the correction candidate point E is a popular spot (for example, a point such as a POI point that is frequently searched by general users). It is shown using icons. Here, the predetermined time is determined based on the possibility that the user is staying around the spot specified by the user search history and the spot specified by the movement history (positioning history), for example. It may be a relatively short period such as a high 6 hours. In the present embodiment, the list of correction candidate point lists may be arranged in the descending order of possibility as the current position of the user of the terminal device 100. For example, as shown in FIG. 6, the sorting order includes the most recently used point, the most recently searched point, the most frequently searched or frequently used point, the next most frequently searched or frequently used point, and a popular spot. The correction candidate points are displayed in order. In this way, the display form in which the legend of the icon and the like are displayed at the same time provides an effect that the user can easily understand why the corresponding point has become a correction candidate and does not take up a display area.

  Returning to FIG. 2, the point information output unit 102 f of the terminal device 100 is received by the correction point 102 g of the point information of the correction point corrected as the current position of the user of the terminal device 100 and the candidate point information receiving unit 102 e. By displaying a display screen based on the map data on the display unit 114, the corrected current position information is presented (step SA-10). For example, the point information output unit 102f performs the correction on the map data of the map including the correction point received as the current position of the user of the terminal device 100 by the correction unit 102g and received by the candidate point information reception unit 102e. A display screen on which the spot information of the spot is superimposed may be displayed on the display unit 114.

  And the correction point information transmission part 102h of the terminal device 100 transmits the point information of the correction point corrected as the current position of the user of the terminal device 100 by the correction unit 102g to the navigation server 200 in Step SA-9 ( Step SA-11).

  Then, the correction point information receiving unit 202e of the navigation server 200 receives the point information of the correction point corrected as the current position of the user of the terminal device 100 and transmitted from the terminal device 100, and the received point of the correction point The information is stored in the point information database 206a in association with the current position information of the current position received by the current position information receiving unit 202b in step SA-4 (step SA-12), and the process is terminated.

  Above, description of an example of the process of the navigation system in 1st Embodiment is finished.

[Second Embodiment]
Next, a second embodiment (navigation server 200 (server-driven type)) of the present invention will be described below with reference to FIGS. Here, FIG. 7 is a block diagram showing an example of the configuration of the navigation server 200 in the second embodiment, and conceptually shows only the portion related to the present invention in the configuration. FIG. 8 is a flowchart showing an example of processing of the navigation server 200 in the second embodiment.

  In the second embodiment, the navigation server 200 generates data to be displayed on the display unit 114 of the terminal device 100, and transmits these data to the terminal device 100, thereby displaying the display unit of the terminal device 100. 114 is functioning. As described above, the second embodiment is different from the other embodiments in that the navigation server 200 performs server-driven processing.

[Configuration of the navigation server 200 (server-driven type)]
First, an example of the configuration of the navigation server 200 (server-driven type) in the second embodiment will be described below with reference to FIG.

  As illustrated in FIG. 7, the navigation server 200 according to the second embodiment of the present invention includes at least a position acquisition unit 112, an output unit (display unit 114 and audio output unit 118), an input unit 116, and a control unit 102. The terminal device 100 is communicably connected, and includes at least a control unit 202 and a storage unit 206. As an example, the communication includes remote communication such as wired / wireless communication via the network 300. The navigation server 200 and the terminal device 100 are communicably connected via an arbitrary communication path.

  In FIG. 7, the navigation server 200 acquires the current position information of the user of the terminal device 100, and the search history point or the movement history based on the point information existing within a predetermined range from the current position based on the acquired current position information. By extracting the point as a candidate point for current position correction, generating a display screen based on the current position information and the point information of the candidate point, and transmitting output control information including the display screen to the terminal device 100, When the output control information is output via the output unit of the terminal device 100 and the point information of the candidate point output via the input unit 116 of the terminal device 100 is selected by the user, the selected point A function of correcting the candidate point based on the information as a correction point and correcting the correction point as a current position is provided.

  The functions of the communication control interface unit 204 and the storage unit 206 (the point information database 206a, the map database 206b, etc.) in the navigation server 200, the position acquisition unit 112, the display unit 114, the input unit 116 in the terminal device 100, Since the function of the audio output unit 118 is the same as that of the first embodiment, description thereof is omitted.

  In FIG. 7, the control unit 202 includes an internal memory for storing a control program such as an OS, a program defining various processing procedures, and necessary data. And the control part 202 performs the information processing for performing various processes with these programs. The control unit 202 includes a point search unit 202a, a candidate point extraction unit 202c, a current position information acquisition unit 202f, an accuracy determination unit 202g, a display screen generation unit 202h, an output control unit 202i, and a correction unit 202j in terms of functional concept. Prepare. Note that the functions of the point search unit 202a and the candidate point extraction unit 202c are the same as those in the first embodiment, and thus description thereof is omitted.

  Among these, the current position information acquisition unit 202f is current position information acquisition means for acquiring the current position information of the user of the terminal device 100. Here, the current position information acquisition unit 202f may acquire the current position information of the user of the terminal device 100 derived from the base station for performing GPS or wireless communication. Further, the current position information acquisition unit 202f receives the position information signal received from the position transmission device 500 by the position acquisition unit 112 of the terminal device 100 from the terminal device 100, and the position information calculated from the position information signal is the terminal device. It may be acquired as current position information of 100 users. The current position information acquisition unit 202f receives position information such as position coordinates for the current position input by the user via the input unit 116 of the terminal apparatus 100, and uses the position information as a user of the terminal apparatus 100. May be acquired as current position information.

  The accuracy determination unit 202g is an accuracy determination unit that determines whether the positioning accuracy of the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f is lower than a predetermined value.

  The display screen generation unit 202h is a display screen generation unit that generates a display screen based on the current position information and / or point information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f. Here, the spot information may be spot information of candidate spots. Further, the point information may be point information of a correction point. Further, the display screen generation unit 202h further stores the current position and / or point information based on the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f stored in the map database 206b. You may produce | generate the display screen based on the map data of the map containing the point based on. Further, the display screen generation unit 202h may further generate a display screen based on character information such as names of candidate points. Further, for example, the display screen generation unit 202h superimposes the current position information of the user of the terminal device 100 and / or the spot information of the candidate spot or the correction spot on the map data of the map including the candidate spot or the correction spot. The displayed screen may be generated.

  The output control unit 202 i is output control means for outputting the output control information via the output unit of the terminal device 100 by transmitting the output control information including the display screen to the terminal device 100. Here, the output control unit 202i may cause the display unit 114 of the terminal device 100 to display the display screen by transmitting output control information including the display screen to the terminal device 100. Further, the output control unit 202i may further cause the output control information including the audio data corresponding to the display screen to be transmitted to the terminal device 100 and output through the audio output unit 118 of the terminal device 100.

  Moreover, the correction | amendment part 202j will be the said candidate based on the said selected said spot information, when the spot information of the candidate spot output by the output control part 202i via the input part 116 of the terminal device 100 is selected by the user. The correction means corrects the point as the correction point and corrects the correction point as the current position of the user of the terminal device 100. Here, the correction unit 202j may further store the point information of the correction point corrected as the current position of the user of the terminal device 100 in the point information database 206a in association with the current position information of the current position. .

  Above, description of an example of a structure of the navigation server 200 in 2nd Embodiment is finished.

[Processing of navigation server 200 (server-driven type)]
Next, an example of processing of the navigation server 200 according to the second embodiment configured as described above will be described in detail with reference to FIG.

  As shown in FIG. 8, first, the control unit 102 of the terminal device 100 transmits the position information signal received from the position transmission device 500 by the position acquisition unit 112 to the navigation server 200 (step SB-1).

  Then, the current position information acquisition unit 202f of the navigation server 200 receives the position information signal from the terminal device 100, calculates the position information from the position information signal, and uses the position information as the current position information of the user of the terminal device 100. (Step SB-2).

  Then, the accuracy determination unit 202g of the navigation server 200 determines whether or not the positioning accuracy of the current location information of the user of the terminal device 100 acquired by the current location information acquisition unit 202f is lower than a predetermined value (step SB-3). ).

  Then, the accuracy determination unit 202g of the navigation server 200 determines that the positioning accuracy of the current location information of the user of the terminal device 100 acquired by the current location information acquisition unit 202f in step SB-3 is not lower than a predetermined value. If so (step SB-3: No), the process is terminated.

  On the other hand, the candidate point extraction unit 202c of the navigation server 200 determines in step SB-3 that the accuracy determination unit 202g determines that the positioning accuracy of the current position information of the user of the terminal device 100 is lower than a predetermined value (step SB). -3: Yes), a search based on the point information stored in the point information database 206a existing within a predetermined range from the current position based on the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f. A history point is extracted as a candidate point for current position correction (step SB-4). Here, the candidate point extraction unit 202c is a point stored in the point information database 206a that exists in a predetermined range from the current position based on the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f. The search history point based on the information is based on the number of searches corresponding to the search history point stored in the point information database 206a and / or the search time corresponding to the search history point stored in the point information database 206a. Alternatively, the current position correction candidate point may be extracted.

  Further, the candidate point extraction unit 202c is the point information stored in the point information database 206a that exists within a predetermined range from the current position based on the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f. May be extracted as a candidate point for current position correction. Further, the candidate point extraction unit 202c is the point information stored in the point information database 206a that exists within a predetermined range from the current position based on the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f. And / or the number of times the current position information of the movement history point is acquired by the current position information acquisition unit 202f within a predetermined period corresponding to the movement history point stored in the point information database 206a, and / or Based on the acquisition time corresponding to the movement history point stored in the point information database 206a, it may be extracted as a candidate point for current position correction. Here, the movement history point may be a point based on the current position information of the user of the terminal device 100 acquired in the past by the current position information acquisition unit 202f.

  In addition, when the current position information derived from the base station for performing wireless communication is acquired by the current position information acquisition unit 202f, the candidate point extraction unit 202c uses the terminal device 100 acquired by the current position information acquisition unit 202f. Search history points and / or movement history points based on the point information stored in the point information database 206a existing in a predetermined range from the current position based on the current position information of the person are extracted as candidate points for current position correction Also good. Further, the candidate point extraction unit 202c is further stored in the point information database 206a existing within a predetermined range from the current position based on the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f. A correction point based on the point information may be extracted as a candidate point for current position correction. Further, the candidate point extraction unit 202c is further stored in the point information database 206a existing within a predetermined range from the current position based on the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f. A POI point based on the point information may be extracted as a candidate point for current position correction.

  Then, the display screen generation unit 202h of the navigation server 200 includes the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f, the point information of the candidate points extracted by the candidate point extraction unit 202c, and Then, a display screen based on the current position based on the current position information stored in the map database 206b and the map data of the map including the candidate point is generated (step SB-5). Here, the display screen generation unit 202h may further generate a display screen based on character information such as names of candidate points. In addition, for example, the display screen generation unit 202h includes a current position based on the current position information of the user of the terminal device 100 acquired by the current position information acquisition unit 202f stored in the map database 206b, and a candidate point extraction unit. A display screen in which the current position information and the spot information of the candidate spot stored in the spot information database 206a are superimposed on the map data of the map including the candidate spot extracted by 202c may be generated.

  Then, the output control unit 202i of the navigation server 200 transmits output control information including the display screen generated by the display screen generation unit 202h to the terminal device 100, whereby the display screen 114 is displayed on the display unit 114 of the terminal device 100. Is displayed (step SB-6). Here, the output control unit 202i may further cause the output control information including the audio data corresponding to the display screen to be transmitted to the terminal device 100, and output via the audio output unit 118 of the terminal device 100. .

  And the control part 102 of the terminal device 100 selected the point information of the candidate point displayed on the display part 114 by the output control part 202i of the navigation server 200 via the input part 116 of the terminal device 100 by the user. In this case, a selection signal based on the selection is transmitted to the navigation server 200 (step SB-7).

  Then, the correction unit 202j of the navigation server 200 receives the selection signal from the terminal device 100, corrects the candidate point based on the selection signal as the correction point, and corrects the correction point as the current position of the user of the terminal device 100, The point information of the correction point is stored in the point information database 206a in association with the current position information of the current position acquired by the current position information acquisition unit 202f in step SB-2 (step SB-8).

  The display screen generation unit 202h of the navigation server 200 includes the point information of the correction point corrected as the current position of the user of the terminal device 100 by the correction unit 202j and the correction point stored in the map database 206b. A display screen based on the map data of the map is generated (step SB-9). For example, the display screen generation unit 202h uses the correction unit 202j to execute the terminal on the map data of the map including the correction point stored as the current position of the user of the terminal device 100 by the correction unit 202j and stored in the map database 206b. You may generate | occur | produce the display screen which superimposed the point information of the correction | amendment point corrected as a user's present position of the apparatus 100. FIG.

  Then, the output control unit 202i of the navigation server 200 transmits the output control information including the display screen generated by the display screen generation unit 202h in Step SB-9 to the terminal device 100, thereby displaying the terminal device 100. The display screen is displayed on the unit 114 (step SB-10). Here, the output control unit 202i may further cause the output control information including the audio data corresponding to the display screen to be transmitted to the terminal device 100, and output via the audio output unit 118 of the terminal device 100. .

  Above, description of an example of the process of the navigation server 200 in 2nd Embodiment is finished.

[Third Embodiment]
Next, a third embodiment (navigation device 400 (stand-alone type)) of the present invention will be described below with reference to FIGS. 9 and 10. Here, FIG. 9 is a block diagram showing an example of the configuration of the navigation apparatus 400 according to the third embodiment, and conceptually shows only the portion related to the present invention in the configuration. FIG. 10 is a flowchart illustrating an example of processing of the navigation device 400 according to the third embodiment.

  Note that in the third embodiment, all functions are aggregated in the navigation device 400, the current location information of the user of the navigation device 400 is acquired without being connected to the navigation server 200, and the acquired current location information is acquired. The search history point or the movement history point based on the point information that exists in the predetermined range from the current position based on is extracted as a candidate point for the current position correction, and the acquired current position information and the extracted candidate point point When the point information of the candidate point output via the input unit 416 is selected by the user via the output unit, the candidate point based on the selected point information is set as the correction point, It has a function of correcting the correction point as the current position. Thus, the third embodiment is different from the other embodiments in that the navigation device 400 is configured as a stand-alone type and performs processing alone.

[Configuration of the navigation device 400 (stand-alone type)]
First, an example of the configuration of the navigation device 400 (stand-alone type) in the third embodiment will be described below with reference to FIG.

  As shown in FIG. 9, the navigation device 400 according to the third embodiment of the present invention includes a position acquisition unit 412, an output unit (display unit 414 and audio output unit 418), an input unit 416, a control unit 402, and a storage unit 406. And at least. Each unit of the navigation device 400 may be connected to be communicable via an arbitrary communication path. The navigation device 400 may be, for example, various navigation terminals such as PND (Portable Navigation Device), various information processing devices such as notebook personal computers, or mobile terminal devices such as mobile phones, PHS and PDAs. .

  In FIG. 9, since the functions of the input / output control interface unit 408, the position acquisition unit 412, the display unit 414, the input unit 416, and the audio output unit 418 are the same as those in the first embodiment, the description thereof is omitted. Also, each function of the storage unit 406 (point information database 406a, map database 406b, etc.) is the same as that of the first embodiment except that the navigation device 400 is provided instead of the navigation server 200. Therefore, the description is omitted.

  As for each part of the control unit 402, each function is basically the same as that of the first embodiment except that the navigation device 400 of the present embodiment is a stand-alone type and the control unit 402 does not include each transmission unit. The same as above.

  In FIG. 9, the control unit 402 includes an internal memory for storing a control program such as an OS, a program that defines various processing procedures, and necessary data. And the control part 402 performs the information processing for performing various processes with these programs. The control unit 402 includes a current position information acquisition unit 402a, a spot search unit 402b, an accuracy determination unit 402c, a candidate spot extraction unit 402d, a spot information output unit 402e, and a correction unit 402f in terms of functional concept.

  Among these, the current position information acquisition unit 402a is current position information acquisition means for acquiring the current position information of the user of the navigation device 400. Here, the current position information acquisition unit 402a may acquire the current position information of the user of the navigation device 400 derived from the base station for performing GPS or wireless communication. In addition, the current position information acquisition unit 402a may acquire the current position information of the user of the navigation device 400 every predetermined cycle (for example, every 1 second, every 3 minutes, etc.). Further, the current position information acquisition unit 402a may acquire the position information calculated from the position information signal received from the position transmission device 500 by the position acquisition unit 412 as the current position information of the user of the navigation device 400. Further, the position information calculated from the position information signal received from the position transmission device 500 that is a base station by the position acquisition unit 412 may be position information about the location of the base station. Further, the current position information acquisition unit 402a may also acquire azimuth information such as the traveling direction of the navigation device 400 detected by the azimuth sensor of the position acquisition unit 412 as current position information of the user of the navigation device 400. Good.

  The point search unit 402b is a point search unit that searches for a point on the map and identifies the point as a search history point. Here, the point search unit 402b may search for a point on the map using the map data stored in the map database 406b. Further, the spot search unit 402b may search for a spot on the map based on spot search character information serving as a search condition input by the user via the input unit 416. Moreover, the point search part 402b may store the point information of the specified search history point in the point information database 406a. Here, the search history point may be a point searched in the past by the point search unit 402b.

  The accuracy determination unit 402c is an accuracy determination unit that determines whether or not the positioning accuracy of the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a is lower than a predetermined value.

  In addition, the candidate point extraction unit 402d has the point information stored in the point information database 406a existing within a predetermined range from the current position based on the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a. This is a candidate point extracting means for extracting a point based on the above as a candidate point for current position correction. Here, the candidate point extraction unit 402d determines a search history point based on the point information stored in the point information database 406a existing in a predetermined range from the current position based on the current position information of the user of the navigation device 400 as the current position. It may be extracted as a candidate point for correction. Further, the candidate point extraction unit 402d uses a search history point based on the point information stored in the point information database 406a that exists in a predetermined range from the current position based on the current position information of the user of the navigation device 400, as the point information database. Based on the number of searches corresponding to the search history point stored in 406a, it may be extracted as a candidate point for current position correction. Further, the candidate point extraction unit 402d uses a search history point based on the point information stored in the point information database 406a that exists in a predetermined range from the current position based on the current position information of the user of the navigation device 400, as the point information database. Based on the search time corresponding to the search history point stored in 406a, the current position correction candidate point may be extracted. In addition, when the accuracy determination unit 402c determines that the positioning accuracy is lower than the predetermined value, the candidate point extraction unit 402d exists in a predetermined range from the current position based on the current position information of the user of the navigation device 400. Search history points based on the point information stored in the database 406a may be extracted as candidate points for current position correction. In addition, when the current position information derived from the base station for performing wireless communication is acquired by the current position information acquisition unit 402a, the candidate point extraction unit 402d starts from the current position based on the current position information of the user of the navigation device 400. A search history point based on the point information stored in the point information database 406a existing in the predetermined range may be extracted as a candidate point for current position correction.

  In addition, the candidate point extraction unit 402d corrects the current position of the movement history point based on the point information stored in the point information database 406a, which is present in a predetermined range from the current position based on the current position information of the user of the navigation device 400. It may be extracted as a candidate point. In addition, the candidate point extraction unit 402d uses the point information database based on the movement history points based on the point information stored in the point information database 406a, which exists within a predetermined range from the current position based on the current position information of the user of the navigation device 400. Based on the number of times the current position information of the movement history point is acquired by the current position information acquisition unit 402a within a predetermined period corresponding to the movement history point stored in 406a, the current position correction candidate point is extracted as a candidate point for current position correction. Also good. In addition, the candidate point extraction unit 402d uses the point information database based on the movement history points based on the point information stored in the point information database 406a, which exists within a predetermined range from the current position based on the current position information of the user of the navigation device 400. Based on the acquisition time corresponding to the movement history point stored in 406a, the current position correction candidate point may be extracted. In addition, when the accuracy determination unit 402c determines that the positioning accuracy is lower than the predetermined value, the candidate point extraction unit 402d exists in a predetermined range from the current position based on the current position information of the user of the navigation device 400. A movement history point based on the point information stored in the database 406a may be extracted as a candidate point for current position correction. In addition, when the current position information derived from the base station for performing wireless communication is acquired by the current position information acquisition unit 402a, the candidate point extraction unit 402d starts from the current position based on the current position information of the user of the navigation device 400. A movement history point based on the point information stored in the point information database 406a existing in the predetermined range may be extracted as a candidate point for current position correction.

  Further, the candidate point extraction unit 402d further determines a correction point based on the point information stored in the point information database 406a that exists within a predetermined range from the current position based on the current position information of the user of the navigation device 400. It may be extracted as a candidate point for correction. Further, the candidate point extraction unit 402d further selects a POI point based on the point information stored in the point information database 406a that exists within a predetermined range from the current position based on the current position information of the user of the navigation device 400. It may be extracted as a candidate point for correction.

  The point information output unit 402e is a point information output unit that outputs the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a and / or the point information via the output unit. . Further, the point information output unit 402e further includes a current map based on the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a and / or a map including a point based on the point information. Data may be output via the output unit. The point information output unit 402e also causes the display unit 414 to display a display screen based on the current position information, point information, and / or map data of the user of the navigation device 400 acquired by the current position information acquisition unit 402a. May be. Here, for example, the spot information output unit 402e may cause the display unit 414 to display a display screen based on character information such as names of candidate spots. Further, for example, the point information output unit 402e has a display screen in which the current position information of the user of the navigation device 400 and / or the point information of the candidate point or the correction point is superimposed on the map data of the map including the candidate point. May be displayed on the display unit 414. Further, the spot information output unit 402e causes the voice guidance data associated with the current position information of the user of the navigation device 400 and / or the spot information of the candidate spot or the correction spot to be output via the voice output unit 418. May be. For example, the spot information output unit 402e may output voice guidance data associated with a candidate spot name or the like via the voice output unit 418.

  Moreover, the correction | amendment part 402f will correct | amend the said candidate spot based on the said selected said spot information, when the spot information of the candidate spot output by the spot information output part 402e via the input part 416 is selected by the user. The correction means corrects the correction point as the current position of the user of the navigation device 400. Here, the correction unit 402f may further store the point information of the correction point corrected as the current position of the user of the navigation device 400 in the point information database 406a in association with the current position information of the current position. .

  Above, description of an example of a structure of the navigation apparatus 400 in 3rd Embodiment is finished.

[Processing of navigation device 400 (stand-alone type)]
Next, an example of the process of the navigation device 400 according to the third embodiment configured as described above will be described in detail with reference to FIG.

  As shown in FIG. 10, first, the current position information acquisition unit 402 a uses the position information calculated from the position information signal received from the position transmission device 500 by the position acquisition unit 412 as the current position information of the user of the navigation device 400. Obtain (step SC-1).

  Then, the accuracy determining unit 402c determines whether or not the positioning accuracy of the current position information of the user of the navigation device 400 acquired by the current position information acquiring unit 402a is lower than a predetermined value (step SC-2).

  The accuracy determining unit 402c determines that the positioning accuracy of the current position information of the user of the navigation device 400 acquired by the current position information acquiring unit 402a in step SC-2 is not lower than a predetermined value (step SC). -2: No), the process ends.

  On the other hand, the candidate point extraction unit 402d determines in step SC-2 that the accuracy determination unit 402c determines that the positioning accuracy of the current position information of the user of the navigation device 400 is lower than the predetermined value (step SC-2: Yes). ), A search history point based on the point information stored in the point information database 406a existing within a predetermined range from the current position based on the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a, Extracted as candidate points for current position correction (step SC-3). Here, the candidate point extraction unit 402d is a point stored in the point information database 406a that exists within a predetermined range from the current position based on the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a. The search history point based on the information is based on the number of searches corresponding to the search history point stored in the point information database 406a and / or the search time corresponding to the search history point stored in the point information database 406a. Alternatively, the current position correction candidate point may be extracted.

  In addition, the candidate point extraction unit 402d has the point information stored in the point information database 406a existing within a predetermined range from the current position based on the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a. May be extracted as a candidate point for current position correction. In addition, the candidate point extraction unit 402d has the point information stored in the point information database 406a existing within a predetermined range from the current position based on the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a. And / or the number of times the current position information of the movement history point is acquired by the current position information acquisition unit 402a within a predetermined period corresponding to the movement history point stored in the point information database 406a, and / or The current position correction candidate point may be extracted based on the acquisition time corresponding to the movement history point stored in the point information database 406a. Here, the movement history point may be a point based on the current position information of the user of the navigation device 400 acquired in the past by the current position information acquisition unit 402a.

  In addition, when the current position information derived from the base station for performing wireless communication is acquired by the current position information acquisition unit 402a, the candidate point extraction unit 402d uses the navigation device 400 acquired by the current position information acquisition unit 402a. A search history point and / or a movement history point based on the point information stored in the point information database 406a existing in a predetermined range from the current position based on the current position information of the person is extracted as a candidate point for current position correction. Also good. Further, the candidate point extraction unit 402d is further stored in the point information database 406a existing in a predetermined range from the current position based on the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a. A correction point based on the point information may be extracted as a candidate point for current position correction. Further, the candidate point extraction unit 402d is further stored in the point information database 406a existing in a predetermined range from the current position based on the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a. A POI point based on the point information may be extracted as a candidate point for current position correction.

  Then, the spot information output unit 402e is the candidate position extracted by the candidate spot extraction unit 402d stored in the spot information database 406a, the current position information of the user of the navigation device 400 acquired by the current position information acquisition unit 402a. And the display screen based on the map data of the map including the candidate location and the current location stored in the map database 406b and the current location information (step SC-4). ). Here, the point information output unit 402e may further cause the display unit 414 to display a display screen based on character information such as names of candidate points. Further, for example, the location information output unit 402e displays the current location information of the user of the navigation device 400 and the location information of the candidate location on the map data of the map including the current location and the candidate location of the user of the navigation device 400. May be displayed on the display unit 414. Further, for example, the spot information output unit 402e may output voice guidance data associated with a candidate spot name or the like via the voice output unit 418.

  Then, when the spot information of the candidate spot output by the spot information output unit 402e via the input unit 416 is selected by the user, the correction unit 402f corrects the candidate spot based on the selected spot information. The correction point is corrected as the current position of the user of the navigation device 400, and the correction point information corrected as the current position of the user of the navigation device 400 is associated with the current position information of the current position. It stores in the point information database 406a (step SC-5).

  Then, the point information output unit 402e displays a display screen based on the point information of the correction point corrected as the current position of the user of the navigation device 400 by the correction unit 402f and the map data stored in the map database 406b. By displaying on 414, the corrected current position information is presented (step SC-6). For example, the point information output unit 402e stores the map information on the map including the correction point stored as the current position of the user of the navigation device 400 by the correction unit 402f stored in the map database 406b. A display screen on which the stored spot information of the correction point is superimposed may be displayed on the display unit 414.

  Above, description of an example of the process of the navigation apparatus 400 in 3rd Embodiment is finished.

[Other embodiments]
Although the embodiments of the present invention have been described so far, the present invention is not limited to the above-described embodiments, but can be applied to various different embodiments within the scope of the technical idea described in the claims. It may be implemented.

  In addition, among the processes described in the embodiment, all or part of the processes described as being automatically performed can be performed manually, or the processes described as being performed manually can be performed. All or a part can be automatically performed by a known method.

  In addition, unless otherwise specified, the processing procedures, control procedures, specific names, information including registration data for each processing, parameters such as search conditions, screen examples, and database configurations shown in the above documents and drawings Can be changed arbitrarily.

  Further, regarding the terminal device 100, the navigation server 200, and the navigation device 400, each illustrated component is functionally conceptual and does not necessarily need to be physically configured as illustrated.

  For example, the processing functions provided in each device of the terminal device 100, the navigation server 200, and the navigation device 400, in particular, the processing functions performed in the control unit 102, the control unit 202, and the control unit 402 are all or An arbitrary part may be realized by a CPU (Central Processing Unit) and a program interpreted and executed by the CPU, or may be realized as hardware by wired logic. The program is recorded on a recording medium to be described later, and is mechanically read by the terminal device 100, the navigation server 200, and the navigation device 400 as necessary. In other words, the storage unit 206 such as ROM or HD, the storage unit 406, and the like store computer programs for giving instructions to the CPU in cooperation with the OS (Operating System) and performing various processes. This computer program is executed by being loaded into the RAM, and constitutes a control unit in cooperation with the CPU.

  Further, the computer program may be stored in an application program server connected to the terminal device 100, the navigation server 200, and the navigation device 400 via an arbitrary network 300, and all of them may be stored as necessary. It is also possible to download a part.

  In addition, the program according to the present invention may be stored in a computer-readable recording medium, and may be configured as a program product. Here, the “recording medium” means a memory card, USB memory, SD card, flexible disk, magneto-optical disk, ROM, EPROM, EEPROM, CD-ROM, MO, DVD, and Blu-ray (registered trademark). It includes any “portable physical medium” such as Disc.

  The “program” is a data processing method described in an arbitrary language or description method, and may be in any format such as source code or binary code. The “program” is not necessarily limited to a single configuration, but is distributed in the form of a plurality of modules and libraries, or in cooperation with a separate program represented by an OS (Operating System). Including those that achieve the function. Note that a well-known configuration and procedure can be used for a specific configuration for reading a recording medium, a reading procedure, an installation procedure after reading, and the like in each device described in the embodiment.

  The storage unit 206 and various databases stored in the storage unit 406 (the spot information database 206a, the map database 206b, the spot information database 406a, and the map database 406b) are a memory device such as a RAM and a ROM, a hard disk, and the like. These are storage means such as fixed disk devices, flexible disks, and optical disks, and store various programs, tables, databases, web page files, and the like used for various processes and website provision.

  Further, the terminal device 100, the navigation server 200, and the navigation device 400 may be configured as an information processing device such as a known personal computer or workstation, and an arbitrary peripheral device is connected to the information processing device. May be configured. Further, the terminal device 100, the navigation server 200, and the navigation device 400 may be realized by installing software (including programs, data, and the like) that causes the information processing device to realize the method of the present invention.

  Furthermore, the specific form of distribution / integration of the devices is not limited to that shown in the figure, and all or a part of them may be functional or physical in arbitrary units according to various additions or according to functional loads. Can be distributed and integrated. That is, the above-described embodiments may be arbitrarily combined and may be selectively implemented.

  As described above in detail, according to the present invention, an information processing system, an information processing apparatus, an information processing method, and a method for correcting position information at a point such as history information based on a search by a user and movement of the user, and Since an information processing program can be provided, it is extremely useful in various fields such as information devices that support navigation and the information processing field.

DESCRIPTION OF SYMBOLS 100 Terminal apparatus 102 Control part 102a Current position information acquisition part 102b Point search character information transmission part 102c Accuracy determination part 102d Current position information transmission part 102e Candidate point information reception part 102f Point information output part 102g Correction part 102h Correction point information transmission part 104 Communication control interface unit 108 Input / output control interface unit 112 Position acquisition unit 114 Display unit 116 Input unit 118 Audio output unit 200 Navigation server 202 Control unit 202a Point search unit 202b Current position information reception unit 202c Candidate point extraction unit 202d Candidate point information transmission Unit 202e correction point information reception unit 202f current position information acquisition unit 202g accuracy determination unit 202h display screen generation unit 202i output control unit 202j correction unit 204 communication control interface unit 206 Storage unit 206a Point information database 206b Map database 300 Network 400 Navigation device 402 Control unit 402a Current position information acquisition unit 402b Point search unit 402c Accuracy determination unit 402d Candidate point extraction unit 402e Point information output unit 402f Correction unit 406 Storage unit 406a Point information Database 406b Map database 408 Input / output control interface unit 412 Position acquisition unit 414 Display unit 416 Input unit 418 Audio output unit 500 Position transmitter

Claims (15)

Point information storage means for storing search points searched in the past and / or stop points visited in the past;
Position information acquisition means for acquiring the position of the user;
Extraction means for extracting the search point and / or the stop point existing within a predetermined range from the acquired user position as correction candidates for the user position;
An information processing system comprising: The information processing system according to claim 1,
The point information storage means is
Further, the search frequency of the search is stored in the search point and / or the number of times the position of the user is acquired by the position information acquisition unit within a predetermined period in association with the stop point,
Based on the number of searches corresponding to the search point, the extracted search point is corrected as the position of the user, and / or the extracted stop point corresponds to the stop point. Correction means for correcting the position of the user based on the number of times;
An information processing system, further comprising: The information processing system according to claim 1,
The point information storage means is
Furthermore, the search time of the search is stored in the search point and / or the acquisition time when the position of the user is acquired by the position information acquisition unit in association with the stop point,
The extracted search point is corrected as the position of the user based on the search time corresponding to the search point, and / or the extracted stop point is associated with the stop point. Correction means for correcting the position of the user based on the acquisition time;
An information processing system, further comprising: The information processing system according to claim 1,
The information processing system
Accuracy determination means for determining whether or not the positioning accuracy of the position of the user acquired by the position information acquisition means is lower than a predetermined value;
Further comprising
The extraction means is
When the positioning accuracy is determined to be lower than the predetermined value by the accuracy determination means, the search point and / or the position that exists in the predetermined range from the user position is selected as the correction candidate for the user position. An information processing system characterized by extracting a stop point. The information processing system according to claim 1,
The position information acquisition means includes
Obtain the location of the user from the base station for performing GPS or wireless communication,
The extraction means is
When the position of the user derived from the base station is acquired by the position information acquisition means, as the correction candidate of the position of the user, the search point existing in the predetermined range from the position of the user and / or Alternatively, an information processing system characterized by extracting the stop point. The information processing system according to claim 1,
The point information storage means is
Furthermore, the search point and / or the stop point extracted as the correction candidate of the user's position by the extraction means is stored in association with the user's position,
The extraction means is
As the correction candidate of the user position, the search point and / or the stop point stored in the point information storage means existing in the predetermined range from the user position is extracted. Information processing system. The information processing system according to any one of claims 1 to 6,
The point information storage means is
Furthermore, the POI point where the POI exists is stored,
The extraction means is
Furthermore, the POI point existing in the predetermined range is extracted from the position of the user as the correction candidate for the position of the user. Computer
Position information acquisition means for acquiring the position of the user;
Position information transmitting means for transmitting position information of the user's position;
In the server, search points searched in the past and / or stop points visited in the past that exist within a predetermined range from the acquired user position are extracted as correction candidates for the user position. If it is, candidate point information receiving means for receiving the point information of the candidate point from the server,
An information processing program that functions as a computer program. Computer
Position information receiving means for receiving position information of a user's position from the terminal device;
Extraction means for extracting a search point searched in the past and / or a stop point that stopped in the past as a candidate for correcting the user position, which is present in a predetermined range from the received user position;
Candidate point information transmitting means for transmitting the point information of the candidate point,
An information processing program that functions as a computer program. An information processing system including a plurality of computers connected to be communicable,
Position information acquisition means for acquiring the position of the user;
Extraction means for extracting a search point searched in the past and / or a stop point that stopped in the past as a candidate for correcting the user's position, which exists in a predetermined range from the acquired user's position; ,
In order to make the information processing system equipped with
An information processing program for causing at least one of the computers to function as at least one of the means. In order to cause the information processing system according to any one of claims 1 to 7 to function by a plurality of computers connected in a communicable manner,
An information processing program for causing one of the computers to function as at least one of each means in the information processing system according to any one of claims 1 to 7.   An information processing program for causing a computer to function as at least one of each means in the information processing system according to any one of claims 1 to 7. By a plurality of information processing devices connected to be able to communicate,
Point information storage means for storing search points searched in the past and / or stop points visited in the past;
Position information acquisition means for acquiring the position of the user;
Extraction means for extracting the search point and / or the stop point existing within a predetermined range from the acquired user position as correction candidates for the user position;
In order to construct an information processing system equipped with
The information processing apparatus comprising at least one of the above means. Computer
Position information acquisition means for acquiring the position of the user;
Extraction means for extracting a search point searched in the past and / or a stop point visited in the past as a correction candidate for the user position, which is present in a predetermined range from the acquired user position,
An information processing program that functions as a computer program. A location information acquisition step for acquiring the location of the user;
An extraction step for extracting a search point searched in the past and / or a stop point visited in the past as a candidate for correction of the user position, which is present in a predetermined range from the acquired user position; ,
An information processing method comprising:

Images