JP2006010563A - Navigation system for pedestrian - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a navigation system for a pedestrian capable of guiding smoothly a route for the pedestrian, even in a place having three-dimensional multilayered structure. <P>SOLUTION: A route guide information distribution server specifies respectively blocks corresponding to present position information and moving objective position information included in route guide request information transmitted from a mobile communication terminal, from a spatial data combined three-dimensional-directionally, searches the route between the specified blocks, and distributes a searched result to the mobile communication terminal, as route guide information while correlated with a map data. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a navigation system for pedestrians that guides a pedestrian to a moving destination position using a mobile communication terminal.

  Conventionally, a car navigation system using a GPS (Global Positioning System) satellite is widely known as a navigation system for vehicles. In the case of such a car navigation system, the route from the current position acquired by GPS is considered in consideration of vehicle-specific constraints such that the vehicle moves along the road and the vehicle cannot change rapidly or change direction. Route guidance is performed by a method called “map matching” that estimates the current position above.

  When trying to use a car navigation system for navigation for pedestrians, the pedestrian's behavior related to walking is very different from that of vehicles, for example, due to characteristics such as slow traveling speed, sudden change of moving direction, etc. There are differences. Therefore, the “map matching” method used in the car navigation system is not suitable for navigation for pedestrians.

Conventionally, navigation techniques suitable for pedestrians have been proposed. For example, a pedestrian enters a monitoring zone provided in association with a plurality of monitoring points provided on a route from a starting position to a destination position. In this case, a technique has been proposed in which guidance information suitable for the pedestrian's traveling direction angle range is provided for each monitoring zone (for example, see Patent Document 1).
JP 2004-45156 A

  However, the range in which the pedestrian can move is not limited to the two-dimensional direction, but it is also necessary to consider moving in a three-dimensional direction including up and down movements using stairs and elevators. In this regard, the pedestrian navigation technique of Patent Document 1 can navigate in the two-dimensional direction, but does not consider the degree of freedom in the three-dimensional direction. Therefore, for example, in a building having a multi-level floor structure such as a railway station, an underground shopping center, a building, etc., when moving to the upper and lower floors in order to reach the movement target position in the building, the navigation is appropriately performed. It is difficult. Also, there is a problem that GPS satellites cannot be used because radio waves are blocked indoors such as in buildings.

  Moreover, in the conventional navigation technology, a route search is performed based on linear information on a two-dimensional plane obtained by connecting an end point (node) and a line (link) from the current point to the destination point, and then the moving destination position is reached. However, since the degree of freedom of the pedestrian in the three-dimensional direction is not considered as described above, the route guidance is not suitable for navigation in a building having a three-dimensional multilayered structure.

  An object of the present invention is to provide a pedestrian navigation system capable of smoothly guiding a pedestrian even in a place having a three-dimensional multilayer floor structure.

In order to solve the above-mentioned problem, the invention described in claim 1
A pedestrian navigation system comprising: a portable communication terminal; and a route guidance information distribution server that distributes route guidance information to the portable communication terminal based on route guidance request information transmitted from the portable communication terminal. The communication terminal includes a current position information acquisition unit configured to acquire current position information indicating a current position of the mobile communication terminal in a predetermined area, and a movement target position where the movement target position information indicating the movement target position in the predetermined area can be input. Information input means, and route guidance request information transmission means for transmitting the current position information and the movement destination position information as the route guidance request information,
The route guidance information distribution server is configured to combine a plurality of polyhedral blocks in a three-dimensional direction in a state in which the blocks are virtually in contact with each other in a plane so as to correspond to the three-dimensional structure of the predetermined region and the predetermined region Storage means for storing the map data in association with each other, and block specifying means for specifying the blocks corresponding to the current position information and the movement destination position information included in the transmitted route guidance request information from the spatial data, respectively. Route searching means for searching for a route between the specified blocks, route guidance information generating means for generating the route guidance information by associating the searched result with the map data, and the generated route guidance. Route guidance information distribution means for distributing information to the portable communication terminal.

The invention according to claim 2 is the invention according to claim 1,
The mobile communication terminal further includes direction information acquisition means for acquiring direction information indicating the direction of the mobile communication terminal,
The route guidance request information transmitting means transmits the acquired direction information as the route guidance request information to the route guidance information distribution server,
The route search means searches for a route between the specified blocks based on the transmitted direction information.

The invention according to claim 3 is the invention according to claim 1 or 2,
The storage means stores related information related to each position in the region in association with a block corresponding to each position,
The block specifying means specifies a block corresponding to the transmitted movement destination position information from the spatial data based on the related information.

The invention according to claim 4 is the invention according to claim 3,
The route guidance information generating means generates the route guidance information by associating related information corresponding to the block specified by the block specifying means with the map data.

The invention according to claim 5 is the invention according to claim 3,
The related information is characterized in that it is associated with each surface of the block based on a direction characteristic of the related information.

The invention according to claim 6 is the invention according to claim 5,
The route guidance information generating means specifies a face corresponding to the direction information from the faces of the block specified by the block specifying means, and associates related information associated with the specified face with the map data. In addition, the route guidance information is generated.

The invention according to claim 7 is the invention according to any one of claims 3 to 6,
The related information includes facility information indicating a facility provided in the area.

The invention according to claim 8 is the invention according to any one of claims 3 to 7,
The related information includes guide information for guiding the inside of the area.

The invention according to claim 9 is the invention according to claim 7 or 8,
The facility information and the guidance information have multilingual data corresponding to a plurality of languages.

The invention according to claim 10 is the invention according to claim 4,
The mobile communication terminal further includes condition information input means capable of inputting condition information indicating a predetermined condition in a route from the current position to the movement destination position,
The route guidance request information transmitting means transmits the condition information as the route guidance request information to the route guidance information distribution server,
The block specifying means specifies a block corresponding to the transmitted condition information from the spatial data based on the related information,
The route search means searches for a route so as to pass or avoid the identified block.

The invention according to claim 11 is the invention according to any one of claims 1, 2, and 10,
The route search means searches for a route based on a joint surface of blocks existing between the specified blocks.

The invention according to claim 12 is the invention according to claim 1,
The predetermined area is a passage, road, building, or room space.

  According to the first aspect of the present invention, the blocks corresponding to the current position information and the movement destination position information included in the route guidance request information transmitted from the mobile communication terminal are respectively obtained from the spatial data combined in the three-dimensional direction. Identify and search for a path between these identified blocks. In this way, by specifying the current position information and the movement target position information based on a polygonal block having a three-dimensional extent, the current position and the movement target position can be determined within a rough range corresponding to the block range. It is possible to specify. Therefore, for example, when a plurality of movement target positions are included in the range of one block, a plurality of movement target positions can be bundled in units of the block, so the relationship between the current position and the movement target position. Therefore, it is possible to efficiently search for a route. In addition, since a route is searched based on a polygonal block having a three-dimensional extent, a route can be searched in consideration of the degree of freedom of the pedestrian in the three-dimensional direction.

  According to the first aspect of the present invention, route guidance information is generated by associating a route search result with map data, and the generated route guidance information is distributed to the mobile communication terminal. As a result, the pedestrian can check the route search result in a state associated with the map data. Therefore, even in a place having a three-dimensional multilayer structure, the pedestrian can smoothly Route guidance can be performed.

  According to the invention described in claim 2, the route is searched based on the direction information transmitted as the route guidance request information. This makes it possible to search for a route that takes into account the direction in which the pedestrian is facing.

  According to the third aspect of the present invention, the related information related to each position in the region is stored in the storage means in association with the block corresponding to each position, and the block specifying means transmits the transmitted movement purpose. A block corresponding to the position information is identified from the spatial data based on the related information. As a result, the item stored in the related information can be designated as the movement destination position information.

  According to the fourth aspect of the present invention, the route guidance information generating means generates the route guidance information by associating the related information corresponding to the block specified by the block specifying means with the map data. As a result, pedestrians can check related information in a state associated with map data. Therefore, even in a place having a three-dimensional multilayer structure, smooth route guidance is possible. It can be carried out.

  According to the invention described in claim 5, the related information is associated with each surface of the block based on the direction characteristic of the related information. Here, the direction characteristic is information that indicates the direction in which the related information exists in a specific block. For example, when the related information is information that indicates a facility such as a store, this block. The direction in which the store is located is associated with the specific surface of the block corresponding to this direction. As a result, detailed route guidance within the block can be performed.

  According to the sixth aspect of the present invention, the route guidance information generating means specifies a face corresponding to the direction information from the face of the block specified by the block specifying means, and is associated with the specified face. Route information is generated by associating related information with map data. As a result, the pedestrian can check related information corresponding to each surface of the block in a state associated with the map data. Also, smooth route guidance can be performed.

  According to the seventh aspect of the present invention, the related information has facility information indicating a facility provided in the area. As a result, it is possible to designate a specific facility installed in the area as movement destination position information, and it is possible to provide this facility information as route guidance information.

  According to the eighth aspect of the present invention, the related information has guidance information for guiding the area. As a result, the information included in the guide information can be used as the movement destination position information, and the guide information can be provided as route guide information.

  According to the ninth aspect of the invention, the facility information and the guidance information have multilingual data corresponding to a plurality of languages. Accordingly, it is possible to instruct movement destination position information in a language corresponding to the language used by the pedestrian, and to provide route guidance information in a language corresponding to the language used by the pedestrian.

  According to the invention described in claim 10, the block specifying means specifies a block corresponding to the condition information from the spatial data based on the condition information transmitted as the route guidance request information, and the route searching means A route is searched so as to go through or avoid the block corresponding to the specified condition information. This makes it possible to search for a route according to conditions desired by the pedestrian.

  According to the eleventh aspect of the present invention, the route search means calculates the route from the current position to the movement destination position between the block corresponding to the current position specified by the block specifying means and the block corresponding to the movement destination position. A route is searched based on the joint surfaces of the blocks existing in between. As a result, it is possible to perform a route search based on the joint surface between polygonal blocks having a three-dimensional extension, and therefore an efficient route even in a place having a three-dimensional multilayer structure. It is possible to search for a route in consideration of the degree of freedom of the pedestrian in the three-dimensional direction.

  According to the twelfth aspect of the present invention, the predetermined area is a passage, a road, a building, or a room space. Thus, smooth route guidance can be performed even in a passage, road, building, or room space having a three-dimensional multilayer structure.

  Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings. However, the scope of the present invention is not limited to the illustrated examples.

First, the configuration will be described.
In FIG. 1, the structure of the navigation system 100 for pedestrians in this Embodiment is shown.
As shown in FIG. 1, a pedestrian navigation system 100 includes a mobile phone 10 as a mobile communication terminal, a Web (World Wide Web) server 20 as a route guidance information distribution server, and a route as a route guidance information distribution server. And a guide information distribution server 30. Current position information by a GPS (Global Positioning System) satellite is used for specifying the current position as necessary.

First, the functional configuration of the mobile phone 10 will be described.
As shown in FIG. 2, the mobile phone 10 includes a control unit 11, an operation unit 12, a display unit 13, a storage unit 14, a camera unit 15, an image processing unit 16, a voice input / output unit 17, and a communication unit 18. Are connected to each other via a bus 19.

  The control unit 11 includes a CPU (Central Processing Unit), an internal RAM (Random Access Memory), a ROM (Read Only Memory), and the like (not shown). In the CPU, a predetermined area of the internal RAM is stored in the ROM as a work area. In accordance with various control programs, a control signal is sent to each of the above parts to control the overall operation of the mobile phone 10.

  The control unit 11 acquires current position information indicating the current position of the mobile phone 10 by using a GPS satellite or the like based on a predetermined program. At this time, along with the current position information, the direction information indicating the direction indicated by the tip of the mobile phone 10 is acquired. In addition, the acquisition method in particular of the present position information and direction information shall not be ask | required.

  Further, the control unit 11 captures various information recorded in the two-dimensional code by photographing the two-dimensional code via the camera unit 15.

  The operation unit 12 includes various keys such as numeric keys, character keys, and function keys for inputting operation instructions to the mobile phone 10, a small stick-like pointing device, and the like. In addition, the pedestrian can input various operation instructions to the mobile phone 10 by operating the operation unit 12 while referring to the screen displayed on the display unit 13. It is possible to input the movement destination position information and the condition information as the condition information input means.

  Here, the movement destination position information is information indicating a movement destination position that a pedestrian desires to reach within a predetermined area, and for example, information that can specify a position such as east longitude and north latitude, Information specifying a store name or the like existing in the store, or information specifying a specific category such as a store type.

  The condition information is information that is input when a pedestrian desires a predetermined condition on the route from the current position to the movement destination position, for example, a building having a multi-story structure. When it is necessary to move the floor in order to reach the movement destination position, information indicating that the elevator is desired to be used can be input.

  The display unit 13 includes an LCD (Liquid Crystal Display) or the like, and displays an image on the display based on display data input from the control unit 11.

  The storage unit 14 includes a volatile memory, a magnetic / optical recording medium, or a nonvolatile memory, and stores various data such as an OS (Operating System) and various operation programs.

The camera unit 15 includes an optical lens made of glass or plastic, an imaging element such as a CCD (Charge Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor), and an AFE (Analog Front End) (all not shown). ) When an instruction to shoot a moving image or a still image is input from the control unit 11, an image of a subject that is input via an optical lens and is imaged on the image sensor is converted into an electrical signal by the image sensor, Digital image data is generated by AFE and output to the control unit 11.

  Further, when a two-dimensional code such as a QR code (registered trademark) is photographed through the camera unit 15, the control unit 11 analyzes the QR code, and information on the analyzed QR code is converted into character data. In this embodiment, the QR code is read, but it is a two-dimensional code such as PDF417, Data Matrix, Maxi Code, a one-dimensional barcode such as JAN code, UPC code, CDDE39, CODE93, or a color barcode. There may be any, and the kind is not ask | required.

  The image processing unit 16 includes an image DSP (Digital Signal Processor) or the like, performs various image processing such as pixel interpolation or white balance adjustment of image data input from the control unit 11, and outputs the processed image data to the control unit 11. In addition, the image processing unit 16 performs compression / decoding processing of the image data and outputs it to the control unit 11.

  The audio input / output unit 17 includes an audio speaker, a microphone, and the like. The audio input / output unit 17 outputs a user's audio during a call to the control unit 11 as an audio input signal through the microphone, and an audio output signal from the control unit 11 is used for the audio. Output as sound through the speaker.

  The communication unit 18 includes a wireless communication circuit 181, a GPS circuit 182, and a communication processing circuit 183, and wirelessly transmits and receives data or audio signals by a predetermined communication method.

  The wireless communication circuit 181 is based on an analog signal from a communication processing circuit 183 to be described later, GSM (Global System for Mobile communication) method, GPRS (General Packet Radio System) method, PDC (Personal Digital Cellular) Not shown depending on the standards and communication systems of various mobile phones and wireless modems, such as a system, CDMA (Code Division Multiple Access) system, PHS (Personal Handyphone System) system, Bluetooth wireless communication system, wireless LAN (Local Area Network), etc. Data communication, call data, and the like are transmitted and received wirelessly between a wireless base station of a communication company and a communication antenna (not shown) provided in the mobile phone 10, and the received analog signal is output to the communication processing circuit 183.

  The wireless communication circuit 181 receives a signal indicating current position information from a GPS satellite by a GPS antenna (not shown) and outputs the signal to the GPS circuit 182.

  The GPS circuit 182 calculates the current position of the mobile phone 10 based on signals indicating the current position information from the plurality of GPS satellites, and outputs the current position information to the control unit 11 as the current position information.

  The communication processing circuit 183 includes an AFE, a communication DSP (not shown), and decodes an analog reception signal input from the wireless communication circuit 181 into various digital data such as communication data, image data, or audio data. Then, the data is output to the control unit 11. The communication processing circuit 183 performs processing such as compression on the various digital data input from the control unit 11, converts the digital data into analog signals, and outputs the analog signals to the wireless communication circuit 181.

  In addition, the communication unit 18 transmits the current position information, direction information, movement destination position information, and condition information to the Web server 20 as route guidance request information for requesting route guidance information. In the present embodiment, the current position information, the direction information, the movement destination position information, and the condition information are transmitted as the route guidance request information. However, the present invention is not limited to this, and other information is transmitted as the route guidance request information. It is good also as outputting simultaneously. For example, information instructing that the distribution form of the route guidance information distributed from the route guidance information distribution server 30 via the Web server 20 is distributed by image or sound may be transmitted as the route guidance request information. When such information is transmitted, the route guidance information distribution server 30 distributes the route guidance information in the distribution form instructed by the information.

Next, the functional configuration of the Web server 20 will be described.
The web server 20 is a web server that implements HTTP, and provides predetermined content data stored in the storage unit 24 so that the mobile phone 10 can browse through the network N. Further, the Web server 20 receives the route guidance request information transmitted from the mobile phone 10, performs a predetermined process on the route guidance request information, and then sends the processed route guidance request information to the route guidance information distribution server 30. Transfer to. In addition, the Web server 20 receives the route guidance information transmitted from the route guidance information distribution server 30 and distributes the route guidance information to the mobile phone 10.

  As shown in FIG. 3, the Web server 20 includes a control unit 21, an operation unit 22, a display unit 23, a storage unit 24, and a communication control unit 25, and these units are connected to each other via a bus 26.

  The control unit 21 includes a CPU, an internal RAM, a ROM, and the like (not shown). The CPU sends a control signal to each of the above units according to various control programs stored in the ROM with a predetermined area of the internal RAM as a work area. The overall control of 20 operations is controlled.

  The operation unit 22 includes various keys such as numeric keys, character keys, and function keys for inputting operation instructions to the Web server 20 and a pointing device such as a mouse and a trackball.

  The display unit 23 includes a CRT (Cathode Ray Tube), an LCD, and the like, and displays an image on the display based on display data input from the control unit 21.

  The storage unit 24 includes a volatile memory, a magnetic / optical recording medium, a nonvolatile memory, or the like, and stores various data such as an OS and various operation programs.

  In addition, the storage unit 24 stores various programs and data for implementing HTTP in cooperation with the control unit 21, and stores predetermined content data that can be browsed through the implementation of HTTP.

  The communication control unit 25 is configured by a communication control card such as a LAN card, for example, and various types of communication with an external device such as the mobile phone 10 and the Web server 20 connected to the network N via a communication line such as a LAN cable. Send and receive data.

Next, the functional configuration of the route guidance information distribution server 30 will be described.
As shown in FIG. 4, the route guidance information distribution server 30 includes a control unit 31, an operation unit 32, a display unit 33, a storage unit 34, a communication control unit 35, a database unit 36, a route search unit 37, and a route guidance information generation unit 38. These parts are connected to each other via a bus 39.

  The control unit 31 includes a CPU (not shown), an internal RAM, a ROM, and the like. In the CPU, a predetermined area of the internal RAM is used as a work area, and a control signal is sent to each of the above parts according to various control programs stored in the ROM. Overall control of the operation of the information distribution server 30 is performed.

  Further, the control unit 31 uses the current position information from the spatial data 361 stored in the database unit 36 based on the current position information included in the route guidance request information transmitted from the mobile phone 10 via the Web server 20. The block corresponding to is specified.

  In addition, the control unit 31 uses the movement target position information included in the route guidance request information transmitted from the mobile phone 10 via the Web server 20, based on the movement data from the spatial data 361 stored in the database unit 36. A block corresponding to the position information is specified. At this time, when the movement destination position information is information indicating the position coordinates of the specific position, the block corresponding to the specific position is specified from the spatial data 361. If the information is information specifying a name, a store type, etc., data corresponding to the specified information is read from the facility information 363a of the related information 363, and a block corresponding to the read data is stored in the space. It is specified from the data 361.

  In addition, when the route guidance request information transmitted from the mobile phone 10 via the Web server 20 includes condition information, the control unit 31 stores the condition information in the database unit 36 based on the condition information. The block corresponding to the condition information is identified from the spatial data 361 thus obtained. Specifically, for example, when the condition information indicating that the use of the elevator is desired is instructed, the position where the elevator exists is specified from the facility information 363a of the related information 363, and the specified position The block corresponding to is identified from the spatial data 361.

  When the block corresponding to the condition information is specified in this way, the route search unit 37 leads from the block corresponding to the current position to the block corresponding to the movement target position via or avoiding the block corresponding to the condition information. Such a route will be searched.

  This makes it possible to search for a route according to the conditions desired by the pedestrian. For example, an elevator for a reason such as using a wheelchair or a stroller when moving from the current position to the destination position. When an instruction requesting the use of a pedestrian is sent as condition information from a pedestrian, a route from the current position to the destination position for the movement is searched using an elevator, so route guidance information according to the pedestrian's conditions is provided It becomes possible to do.

  The operation unit 32 includes various keys such as numeric keys, character keys, and function keys for inputting an operation instruction to the route guidance information distribution server 30, and a pointing device such as a mouse and a trackball.

  The display unit 33 includes a CRT, an LCD, or the like, and displays an image on the display based on display data input from the control unit 31.

  The storage unit 34 includes a volatile memory, a magnetic / optical recording medium, a nonvolatile memory, or the like, and stores various data such as an OS and various operation programs.

  The communication control unit 35 includes a communication control card such as a LAN card, for example, and transmits / receives various data to / from an external device such as the Web server 20 connected to the network N via a communication line such as a LAN cable. Do.

  The database unit 36 is a relational type database and stores spatial data 361, map data 362, and related information 363 in association with each other.

  Here, the spatial data 361 will be described with reference to FIGS. 5 (a) and 5 (b) and FIGS. 6 (a) and 6 (b). Spatial data 361 is composed of three-dimensional unit blocks as shown in FIG. 5A, and these blocks are combined in such a way that they are virtually in contact with each other as shown in FIG. 5B. , Data having three-dimensional information formed so as to correspond to the three-dimensional structure of the predetermined region. Here, the predetermined area is, for example, a passage or road having a three-dimensional multilayer structure, a building, a room space, or the like.

  For example, when the three-dimensional structure of a building is a three-dimensional structure as shown in FIG. 6A as a predetermined region, blocks are combined so as to correspond to this three-dimensional structure, and FIG. Spatial data as shown is formed.

  Here, the surface indicated by 1F in FIG. 6 (a) indicates the accessible area of the first floor portion of the building, and the surface indicated by 2F is accessible by the second floor portion of the building. Shows the various areas. An area E indicated by a square pole indicates that there is an elevator that connects the first floor and the second floor in this area, and an area T indicated by a substantially triangular pole is the first floor and the second floor in this area. This indicates that there is a stairway that connects In this way, by forming the spatial data 361 based on the passable sections, it is possible to efficiently perform a route search based on the connection surface connecting the blocks.

  The block has identification information that can identify each other block, and each block of the spatial data 361 is associated with map data 362 and related information 363 described later based on this identification information. Further, this identification information is associated with the current position information and the movement destination position information transmitted from the mobile phone 10, and a block corresponding to each position is specified based on this correspondence. The identification information further includes surface identification information for identifying each surface included in each block.

  In the present embodiment, each block forming the spatial data 361 has a cubic and / or rectangular parallelepiped shape, but is not limited thereto, and may be another polygonal solid, or a curved surface. It is good also as the solid which has. Also, the spatial data 361 may be formed by combining blocks having the same shape, or the spatial data 361 may be formed by combining blocks having different shapes. In addition, it is preferable that the unit volume which each block has, ie, the magnitude | size of each block, is determined based on the range which a pedestrian can visually recognize in a building.

  In the example of FIGS. 6A and 6B, the spatial data 361 is formed based on the actual three-dimensional structure in the building. However, the present invention is not limited to this, and for example, is drawn in the map data 362 described later. Spatial data 361 may be formed on the basis of the structure of the constructed building, and it is preferable to appropriately use both the spatial data 361 according to the display form of the route guidance information to be distributed. A method for creating the spatial data 361 based on the map data 362 will be described later.

  The map data 362 has a plurality of sketch data corresponding to each position in a predetermined area. FIGS. 7A and 7B show an example of map data 362 when a building is a station building as a predetermined area.

  FIG. 7A is map data 362 showing the station premises in a plan view. FIG. 7B is map data 382 representing a multi-story structure of the station premises in a perspective view. The floor plan data stored in the map data 362 is not limited to such a projection / drawing representation method, but may be created by other projection / drawing representation methods. In addition, it is preferable to store a plurality of image data using a plurality of projections and drawing representation methods in association with each other.

  The spatial data 361 may be formed based on the map data 362. For example, in the case of the map data 362 shown in FIG. 7A, a section having a predetermined range as shown in FIG. The map data 362 is partitioned into a grid pattern, and the partitioned sections are extended in the Z-axis direction (vertically upward direction with respect to the drawing) to combine the blocks shown in FIG. 8B. 361 can be formed.

  Here, it is assumed that no extension in the Z-axis direction is performed for a section (a section indicated by x in FIG. 8A) that cannot be passed on the map data 362 due to a pillar, a wall surface, or the like. In this way, by forming the spatial data 361 based on the passable sections, it is possible to efficiently perform a route search based on the connection surface connecting the blocks. In addition, when the building which has the area | region drawn in this map data 362 has a multi-story structure, spatial data is formed with the said method from the map data which shows the same area | region of a different floor, It is assumed that the spatial data 361 is formed in association with the upper surface or the lower surface of the block so that the areas indicated by the blocks on each floor match.

  The related information 363 is data in which a plurality of information related to each position in the area is stored, and is stored in association with a block corresponding to each position in the area. Here, the related information 363 is stored based on the direction characteristics of the plurality of pieces of information stored in the related information 363 so that the direction indicated by the direction characteristics corresponds to each surface of the block. Here, the direction characteristic indicates the direction in which each piece of related information 363 exists in the block, and the direction characteristic and the direction of each surface when viewed from the center of the block are the same. The related information 363 is stored in association with each surface. For example, if a store exists in a specific block and this store is on a specific side when viewed from the center of the block, the relationship between the specific side and this store Information 363 is stored in association with each other.

Here, the related information 363 includes facility information 363a and guidance information 363b.
The facility information 363a is information indicating the status of facilities installed at each position in the area. For example, information indicating the presence of elevators, stairs, slopes, etc., information indicating the store name, the type of the store, and the like are stored. Has been. The form of information stored as the facility information 363a is not particularly limited. For example, it may be text data, image data, moving image data, audio data, and the user status of the building. Depending on the situation, it is preferable to make it multilingual.

  The guidance information 363b is information for guiding the area, and for example, information for guiding a route to a specific position in the building, or a specific position when the building is a station building. Timetable information corresponding to (platform) is stored. Moreover, it is good also as information guided about the information memorize | stored in the facility information 363a, for example, when the information which shows a store name etc. is memorize | stored as the facility information 363a, the information which shows the business hours, advertisement, etc. of this store Is memorized. The form of information stored as the guidance information 363b is not particularly limited. For example, the information may be text data, image data, moving image data, audio data, and the user status of the building. Depending on the situation, it is preferable to use multiple languages.

  The route search unit 37 searches for the shortest route between the blocks corresponding to the current position information and the movement destination position information specified by the control unit 31 based on the direction information transmitted from the mobile phone 10.

  Here, the route search performed by the route search unit 37 will be described with reference to FIG. FIG. 5B shows spatial data formed by combining eight blocks. Here, if the current position corresponding to the current position information is in the area of the block marked with “●”, the movement target position corresponding to the movement target position information is in the area of the block marked with “▲”. In the case of being specified by the control unit 31, from the block “●” to the block “▲”, there are two paths from the block “●” that pass through the surface F1 or the surface F2 to reach the block “▲”. Existing.

  Here, if the direction information transmitted from the mobile phone 10 is the direction indicated by the arrow in the figure, the route search unit 37 selects a route toward the plane F1 based on this direction information, and the current position and A route is searched based on the joint surface of the blocks existing between the blocks corresponding to the movement target position, and a route passing through the planes F1, F3 to F5 indicated by hatching in the drawing is derived. Thus, by using the direction information, it is possible to search for a route in consideration of the direction in which the pedestrian is facing. In addition, by performing a route search based on the joint surface between blocks, it is possible to efficiently perform a route search in consideration of the degree of freedom of the pedestrian in the three-dimensional direction.

  If a plurality of blocks corresponding to the movement target position are specified by the control unit 31, a route to all the blocks may be searched, or the movement target position closest to the block corresponding to the current position may be searched. Only the route to the corresponding block may be searched.

  When a block corresponding to the condition information is specified by the control unit 31, the route search unit 37 searches for a route to the movement destination position via the block corresponding to the condition information. A route search when condition information is transmitted from a pedestrian will be described with reference to FIGS.

  In FIG. 6 (a), it is assumed that the pedestrian is present at the position marked with “●” and faces the direction indicated by the arrow in the figure, and at this position, the user wishes to move to the position marked with “▲”. It is assumed that the route guidance information request information is transmitted. In such a case, the block marked with “●” in the spatial data 361 shown in FIG. 6B by the control unit 31 is the block corresponding to the current position information, and the block marked with “▲” The block corresponding to the position information is specified, and the direction indicated by the arrow in the figure is determined as the direction information.

  In such a situation, for example, if the condition information desired to use the elevator is transmitted as the route guidance request information when moving from the pedestrian to the movement destination position, the control unit 31 stores the condition information in the database unit 36. Based on the related information 363, the block where the elevator exists is specified. In FIG. 6A, since an elevator exists at the position indicated by the region E, a block marked with “■” in FIG. 6B is identified as a block of the spatial data 361 corresponding to the region E. The

  There are two routes from the block “●” to the block “▲”: a route using the staircase indicated by the region T in FIG. 6A and a route using the elevator indicated by the region E. Although there is a route search unit 37, the route from the block “●” to the block “▲”, the route passing through the block “■”, that is, the route using the elevator, is set as the direction information, the current position, and so on. Search is performed based on the joint surfaces of the blocks existing between the blocks corresponding to the movement target position, and a route passing through the surfaces F11 to F20 is derived.

  In the above example, the case where a plurality of blocks corresponding to the condition information are specified in a continuous form is shown, but the specification is made in a discontinuous form such that a plurality of blocks corresponding to the condition information exist at distant positions. In such a case, the route search unit 37 may search only for the block that is the shortest route to the movement destination position among the specified blocks, or may move through all the specified blocks. A route to the target position may be searched, or a route to the moving target position via each block may be searched for each block corresponding to the condition information. Further, when only one block corresponding to the condition information is specified, a route to the movement destination position through the specified block is searched.

  In the above example, the route through the block corresponding to the condition information is searched. However, if the condition information is an instruction to avoid a specific facility, the route search unit 37 A route that avoids a block corresponding to the condition information is searched.

  The route guidance information generating unit 38 generates route guidance information by associating the route search result searched by the route searching unit 37 with the map data 362 stored in the database unit 36. The generation of route guidance information will be described later.

  Next, with reference to FIG. 9, the flow of processing when delivering route guidance information from the route guidance information distribution server 30 to the mobile phone 10 based on the route guidance request information transmitted from the mobile phone 10 will be described. To do. Note that the processing from Step M11 to M15 is performed by the control of the control unit 11 of the mobile phone 10, and the processing from Step N11 to N15 (N141 to N145) is controlled by the control unit 31 of the route guidance information distribution server 30. It is assumed that the exchange of various data between the mobile phone 10 and the route guidance information distribution server 30 is performed via the Web server function of the Web server 20. In this processing, it is assumed that the predetermined building is a station building having a three-dimensional multilayer floor structure, and the mobile phone 10 is present at an arbitrary position in the station premises.

  First, current position information indicating the current position of the mobile phone 10 in the station premises and direction information indicating the direction of the mobile phone 10 are acquired (step M11).

  Here, the current position information can be obtained by using a GPS satellite. However, in a building having a three-dimensional multilayer floor structure, radio waves are blocked by a roof, a wall surface, and the like. Communication with the satellite may not be possible. Therefore, in this embodiment, a QR code that records position information corresponding to this position is installed at a predetermined position in the station premises, and the current position information is acquired by reading this QR code via the camera unit 15. Shall be. Here, in the QR code, coordinates such as east longitude and north latitude indicating the position where the QR code is installed, position identification information that can specify the position in the station, and the like are recorded in advance.

  In addition, it is assumed that direction information indicating the orientation of the mobile phone 10 is recorded in advance in the QR code, and the direction information is acquired by reading the QR code through the camera unit 15. Here, it is assumed that the direction information recorded in advance in the QR code is recorded based on the direction in which the mobile phone 10 captures the QR code. In this embodiment, it is assumed that address information such as a URL for accessing the Web server 20 is further recorded in the QR code.

  As described above, when acquiring the current position information by the QR code, the QR code is installed at predetermined intervals in the station premises, so that the user can easily take a picture, a guide plate, a wall surface, It is preferable to install on the floor surface. Although the current position information and direction information are acquired via QR codes, two-dimensional codes such as PDF417, Data Matrix, and Maxi Code, one-dimensional barcodes such as JAN code, UPC code, CDDE39, and CODE93 are used. It may be a color barcode, and the type is not limited as long as the current position information and direction information described above are recorded.

  Moreover, the acquisition method of present position information and direction information is not restricted to an above-described example, The method shall not be ask | required. For example, address information such as a telephone number or an e-mail address of the mobile phone 10 in advance on a card (hereinafter referred to as an IC card) incorporating a non-contact type IC chip such as Suica (Super urban intelligent card: registered trademark). When the ticket gate device installed in the station premises reads this IC card and passes it, the installation position information of the ticket gate device that has passed is transmitted to the address information recorded on the IC card. The current position information may be acquired by configuring a system such as a ticket gate device or a server. In such a case, the direction in which the ticket gate apparatus is installed may be used as direction information.

  It is possible that communication with a GPS satellite is not possible indoors such as in a station premises, but when communication with a GPS satellite is possible, using the GPS satellite via the communication unit 18, current position information and The direction information may be acquired. Further, when the mobile phone 10 includes a gyro, a compass, or the like, the direction information may be acquired using the gyro or the compass.

  Next, the movement destination position information indicating the movement destination position in the station premises is set by the user (step M12). In this embodiment, a specific platform in the station is set as the current position information, and a specific ticket gate in the station is set as the movement destination position information. Here, the movement destination position information may be set by manual input via the operation unit 12, or a QR code in which information for each movement destination position is recorded in advance is used as a guide board in the station premises, etc. The QR code may be input by photographing through the camera unit 15.

  Next, an instruction for requesting route guidance from the current position to the movement destination position is made by the user via the operation unit 12, and route guidance request information is transmitted to the Web server 20 based on this instruction (step M13). Note that the route guidance request information is transmitted in HTTP format based on the address information of the Web server 20 recorded in advance in the QR code, but is not limited to this, for example, transmitted in e-mail format. May be.

  On the other hand, the Web server 20 performs predetermined processing on the route guidance request information transmitted from the mobile phone 10, and then transfers the route guidance request information after the processing to the route guidance information distribution server. Here, the predetermined processing includes time information indicating the time when the route guidance request information is transmitted from the mobile phone 10, information related to a program used when the route guidance request information is transmitted, and the like. Means additional processing including additional information including information unique to the route guidance request information. This additional information includes language information indicating the language used in the mobile phone 10. Shall.

  When the route guidance information distribution server 30 receives the route guidance request information transmitted from the mobile phone 10 via the Web server 20 (step N11), the current position information and the movement destination position included in the route guidance request information. The blocks corresponding to the information are respectively identified from the blocks of the spatial data 361 stored in the database unit 36 (step N12), and the route search between the identified blocks is performed based on the direction information ( Step N13) and route guidance information generation processing (step N14) are performed.

Here, the route guidance information generation process (step N14) will be described with reference to FIG.
First, the sketch data corresponding to the plurality of blocks specified in step N12 is read from the map data 362 stored in the database unit 36 (step N141).

  Here, the floor plan data read corresponding to the plurality of identified blocks includes at least a position corresponding to the current position information and the movement destination position information among the route guidance request information transmitted from the mobile phone 10. The floor plan data is preferably read from the map data 362.

  Next, the route guidance information generation unit 38 synthesizes the result of the route search by the route search unit 37 in step N13 with the read floor plan data (step N142).

FIG. 11A shows an example of the floor plan data obtained by combining the route search results in step N142.
Here, “●” indicates the current position on the platform, and “▲” indicates the ticket gate that is the movement destination position. Here, the result of the route search by the route search unit 37 is displayed in a form that is easily recognized by the user as indicated by an arrow in the figure. The display form is not limited to this.

  Returning to FIG. 10, additional information added as route guidance request information from the Web server 20 is confirmed (step N143), and related information 363 such as facility information and guidance information corresponding to this additional information is read (step 144). . Next, the read related information 363 is combined with the sketch data by the route guidance information generation unit 38 and generated as route guidance information (step N145).

  For example, if the language used by the mobile phone 10 transmitted from the Web server 20 as additional information is confirmed to be English in Step N143, the facility information and guidance information expressed in English are read in Step N144. When the time information transmitted from the Web server 20 as additional information is confirmed in step N143, in step N144, facility information and guidance information corresponding to the time information are read. By doing so, it is possible to provide real-time information according to the current time and route guidance information according to the language used by the pedestrian.

  FIG. 11B shows an example of the floor plan data in which the facility information and the guidance information are combined in step N145. FIG. 10B shows information indicated by icon images and text information as facility information corresponding to each position of the main sketch data, and information shown in the region G as facility information corresponding to the main sketch data. A state where the information is combined as guide information corresponding to the sketch data is shown.

  In the guidance information shown in the area G, information indicating the current train delay state is shown as an example of information according to the time information transmitted from the Web server 20. Thus, even information that requires real-time properties, such as the train operation status, can be distributed to the mobile phone 10 as route guidance information by using time information.

  Here, the facility information is shown using icon images and character information, but the present invention is not limited to this, and other display and expression forms may be used. In addition, the guide information is indicated using character information in the area G, but the display information is not limited to this, and may be shown in other display and expression forms. For example, audio data is separately distributed to the mobile phone 10. You may make it do.

  Further, using the direction information transmitted from the mobile phone 10, a process may be performed when the route guidance information is generated so that the display of the route guidance information matches the actual spatial positional relationship. By performing such processing, it becomes easier for the user to grasp the route guidance information and the actual spatial positional relationship, so that the route guidance can be performed more smoothly.

  Returning to FIG. 9, the route guidance information generated in step N14 is transmitted to the Web server 20 via the communication control unit 35 (step N15), and the distributed route guidance information is sent to the mobile phone 10 by the Web server 20 to the HTTP. After being distributed in the format, the processing of the route guidance information distribution server 30 ends.

  On the other hand, when the mobile phone 10 receives the route guidance information distributed via the Web server 20 (step M14), the route guidance information is displayed on the display unit 13 (step M15). The process ends.

  Since the pedestrian can move to the movement target position while confirming the route guidance information displayed on the display unit 13 of the mobile phone 10, the pedestrian has a three-dimensional multi-level floor structure like the station premises of this embodiment. Smooth route guidance can be performed even in places where such a location is provided.

  In the navigation system 100 for pedestrians, since the position corresponding to the current position and the movement target position is specified based on each block of the spatial data 361, the movement target position is not an end point (node) but a block size. It will have a corresponding range. In such a case, for example, when a specific store is designated as the movement destination position, a pedestrian confirms where the store exists in the block corresponding to the movement destination position. There are cases where it is desired. In such a case, the route guidance information distribution server 30 distributes information around the block as route guidance information to the mobile phone 10 based on the current position information and direction information transmitted from the mobile phone 10 via the Web server 20. .

  With reference to FIG. 12, the flow of processing when distributing information around a specific block as route guidance information will be described. Note that the processing from step M21 to M24 is performed by the control of the control unit 11 of the mobile phone 10, and the processing from step N21 to N26 is performed by the control of the control unit 31 of the route guidance information distribution server 30 and is carried by the mobile phone. It is assumed that the exchange of various data between the telephone 10 and the route guidance information distribution server 30 is performed via the Web server function of the Web server 20. In this process, it is assumed that the predetermined building is a station building having a three-dimensional multi-story structure, and this process is performed in a block corresponding to a position where a pedestrian in the station is set as a movement destination position. Shall.

  First, current position information indicating the current position of the mobile phone 10 in the station premises and direction information indicating the direction of the mobile phone 10 are acquired (step M21), and the current position information and direction information are obtained from the Web server 20. Is transmitted to the route guidance information distribution server 30 (step M22).

  On the other hand, the Web server 20 performs predetermined processing on the current position information and direction information transmitted from the mobile phone 10 and then transfers the current position information and direction information after the processing to the route guidance information distribution server. . Here, the predetermined processing includes time information indicating the time when the route guidance request information is transmitted from the mobile phone 10, information related to a program used when the route guidance request information is transmitted, and the like. Means additional processing including additional information including information unique to the route guidance request information. This additional information includes language information indicating the language used in the mobile phone 10. Shall.

  In the route guidance information distribution server 30, when the current position information and direction information transmitted from the mobile phone 10 are received via the Web server 20 (step N21), a block corresponding to the current position information is stored in the database unit 36. Is specified from the block of the spatial data 361 stored in (step N22).

  Next, the additional information added as the route guidance request information from the Web server 20 is confirmed (step N23), and the identification of the surface of the block corresponding to the direction indicated by the direction information in the block specified in step N22. The related information 363 such as facility information and guidance information stored in association with the information is read according to the additional information (step N24). By doing in this way, the information with the real time property according to the present time, and the guidance information around the specific block according to a pedestrian's language can be provided.

  Next, the route guidance information generation unit 38 combines the related information 363 read in step N24 with the sketch data of the map data 362 associated with the block corresponding to the related information 363, and as route guidance information. Is generated (step N25).

  Next, the generated route guidance information is transmitted to the web server 20 via the communication control unit 35 (step N26), and the delivered route guidance information is delivered to the mobile phone 10 in the HTTP format by the web server 20, The processing of the route guidance information distribution server 30 ends.

  On the other hand, when the mobile phone 10 receives the route guidance information distributed via the Web server 20 (step M23), the route guidance information is displayed on the display unit 13 (step M24). The process ends.

  A description will be given of the operation until the pedestrian acquires the route guidance information through the mobile phone 10 as the information around the block, with reference to FIG.

  FIG. 13 is a diagram schematically illustrating a state where the block side surfaces are developed in four directions D1 to D4 around the lower surface of the block corresponding to the floor surface in the station premises in a specific block included in the spatial data 361. The upper surface of the block is not shown.

  Various facilities and the like exist in the direction corresponding to each surface of the block. The direction indicated by D1 indicates “central exit”, and the direction indicated by D2 indicates “AA store, AB store, AC store”. However, it is assumed that “Shinkansen Home” is present in the direction indicated by D3, “BA Shop” and “Bulletin” are present in the direction indicated by D4, and information on each facility is related information 363, Assume that it is stored in association with each surface.

  Here, it is assumed that there is a pedestrian carrying the mobile phone 10 in this block, and the current position information and direction information are transmitted by the pedestrian toward the direction indicated by D1 by the pedestrian. As the related information 363 stored in association with the surface of the block in the D1 direction, the information on the “central exit” is read by the route guidance information distribution server 30, and the information on the “central exit” corresponds to this block. It is combined with the map data 362 and delivered to the mobile phone 10 as route guidance information.

  Similarly, when the front end of the mobile phone 10 is pointed to D2, information related to “AA store, AB store, AC store” is directed to D3. When the information is directed, information related to “BA store and bulletin” is distributed to the cellular phone 10 as route guidance information.

  The contents distributed as the route guidance information are not particularly limited. For example, as information on “AA store, AB store, AC store” distributed when the tip of the mobile phone 10 is directed to D2, Information indicating the store's business hours, business details, etc. may be distributed, and information on the “Shinkansen Home” distributed when the tip of the mobile phone 10 is directed to D3, The destination guidance information to the Shinkansen home may be distributed.

  Further, in this embodiment, the related information 363 around the block is combined with the map data 362 and distributed as the route guidance information. However, the present invention is not limited to this. For example, only the relevant information 363 around the block is route guidance information. If the route guidance information including the map data is already displayed on the display unit 13 of the mobile phone 10, the related information 363 is synthesized and displayed on the displayed route guidance information. It is good also as delivering the information containing the instruction | indication to make as route guidance information.

  The detailed configuration and detailed operation of the pedestrian navigation system 100 in the present embodiment can be appropriately changed without departing from the spirit of the present invention.

  For example, in the present embodiment, the mobile phone 10 is used as the mobile communication terminal. However, the mobile phone 10 is not limited to this and may be a PDA (Personal Digital Assistant), a notebook personal computer, or the like.

  In the present embodiment, the Web server 20 is included. However, the present invention is not limited to this. For example, the route guidance information distribution server 30 may include the functions of the Web server 20. In the present embodiment, the route guidance information is distributed to the mobile phone 10 via the HTTP of the Web server 20, but the distribution mode is not limited to this. For example, a device having a mail server function is prepared separately. Then, the route guidance information may be distributed by e-mail through this mail server.

  In the present embodiment, the route guidance information distribution server 30 includes the database unit 36. However, the present invention is not limited to this, and an external device accessible by the route guidance information distribution server 30 includes the database unit 36. Alternatively, a plurality of external devices accessible by the route guidance information distribution server 30 may store the spatial data 361, the map data 362, and the related information 363 in a distributed manner.

It is a figure which shows the structure of the navigation system for pedestrians of embodiment which concerns on this invention. It is a block diagram which shows the principal part structure of a mobile telephone. It is a block diagram which shows the principal part structure of a web server. It is a block diagram which shows the principal part structure of a route guidance information delivery server. (A) It is a figure for demonstrating the block which forms spatial data. (B) It is a figure for demonstrating spatial data. (A) It is a figure which shows an example of the space structure which a building has. (B) It is a figure which shows an example of the spatial data formed based on the actual three-dimensional structure which a building has. (A) It is a figure which shows an example of map data. (B) It is a figure which shows an example of map data. (A) It is a figure for demonstrating a mode that spatial data is formed based on map data. (B) It is a figure which shows an example of the spatial data formed based on map data. It is a flowchart regarding route guidance information acquisition processing. It is a flowchart regarding route guidance information generation processing. (A) It is a figure which shows an example of the sketch data by which the route search result was synthesize | combined. (B) It is a figure which shows an example of the floor plan data with which the facility information and the guidance information were synthesized. It is a flowchart regarding the route guidance information generation process for guiding the periphery of a specific block. It is a figure for demonstrating operation | movement until it acquires the route guidance information for guiding the periphery of a specific block.

Explanation of symbols

100 Pedestrian Navigation System 10 Mobile Phone (Mobile Communication Terminal)
11 Control unit 12 Operation unit (movement target position information input means, condition information input means)
13 Display unit 14 Storage unit 15 Camera unit (current position information acquisition means, movement target position information input means, direction information acquisition means)
16 Image processing unit 17 Audio input / output unit 18 Communication unit (current position information acquisition unit, direction information acquisition unit, route guidance request information transmission unit)
181 Wireless communication circuit 182 GPS circuit (current position information acquisition means, direction information acquisition means)
183 Communication processing circuit 19 Bus 20 Web server 21 Control unit 22 Operation unit 23 Display unit 24 Storage unit 25 Communication control unit 26 Bus 30 Route guidance information distribution server (route guidance information distribution server)
31 Control unit (block identification means)
32 Operation unit 33 Display unit 34 Storage unit 35 Communication control unit (route guidance information distribution means)
36 Database section (storage means)
361 Spatial data (spatial data)
362 Map data (map data)
363 Related Information (Related Information)
363a Facility information (facility information)
363b Guidance information (guidance information)
37 Route search unit (route search means)
38 Route guidance information generation unit (route guidance information generation means)
39 Bus

Claims (12)

A pedestrian navigation system comprising: a portable communication terminal; and a route guidance information distribution server that distributes route guidance information to the portable communication terminal based on route guidance request information transmitted from the portable communication terminal. The communication terminal includes a current position information acquisition unit configured to acquire current position information indicating a current position of the mobile communication terminal in a predetermined area, and a movement target position where the movement target position information indicating the movement target position in the predetermined area can be input. Information input means, and route guidance request information transmission means for transmitting the current position information and the movement destination position information as the route guidance request information,
The route guidance information distribution server is configured to combine a plurality of polyhedral blocks in a three-dimensional direction in a state in which the blocks are virtually in contact with each other in a plane so as to correspond to the three-dimensional structure of the predetermined region and the predetermined region Storage means for storing the map data in association with each other, and block specifying means for specifying the blocks corresponding to the current position information and the movement destination position information included in the transmitted route guidance request information from the spatial data, respectively. Route searching means for searching for a route between the specified blocks, route guidance information generating means for generating the route guidance information by associating the searched result with the map data, and the generated route guidance. A pedestrian navigation system comprising: route guidance information distribution means for distributing information to the portable communication terminal. The mobile communication terminal further includes direction information acquisition means for acquiring direction information indicating the direction of the mobile communication terminal,
The route guidance request information transmitting means transmits the acquired direction information as the route guidance request information to the route guidance information distribution server,
The pedestrian navigation system according to claim 1, wherein the route search means searches for a route between the specified blocks based on the transmitted direction information. The storage means stores related information related to each position in the region in association with a block corresponding to each position,
3. The pedestrian navigation system according to claim 1, wherein the block specifying unit specifies a block corresponding to the transmitted movement destination position information from the spatial data based on the related information.   4. The walking according to claim 3, wherein the route guidance information generating unit generates the route guidance information by associating related information corresponding to the block specified by the block specifying unit with the map data. Navigation system.   The pedestrian navigation system according to claim 3, wherein the related information is associated with each surface of the block based on a direction characteristic of the related information.   The route guidance information generating means specifies a face corresponding to the direction information from the faces of the block specified by the block specifying means, and associates related information associated with the specified face with the map data. 6. The navigation system for pedestrians according to claim 5, wherein the route guidance information is generated.   The pedestrian navigation system according to any one of claims 3 to 6, wherein the related information includes facility information indicating a facility provided in the region.   The pedestrian navigation system according to any one of claims 3 to 7, wherein the related information includes guidance information for guiding the area.   The pedestrian navigation system according to claim 7 or 8, wherein the facility information and guidance information include multilingual data corresponding to a plurality of languages. The mobile communication terminal further includes condition information input means capable of inputting condition information indicating a predetermined condition in a route from the current position to the movement destination position,
The route guidance request information transmitting means transmits the condition information as the route guidance request information to the route guidance information distribution server,
The block specifying means specifies a block corresponding to the transmitted condition information from the spatial data based on the related information,
The pedestrian navigation system according to claim 4, wherein the route search means searches for a route so as to pass through or avoid the identified block.   The pedestrian navigation according to any one of claims 1, 2, and 10, wherein the route search means searches for a route based on a joint surface of blocks existing between the specified blocks. system.   The pedestrian navigation system according to claim 1, wherein the predetermined area is a passage, a road, a building, or a room space.

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