JP2006201944A - Information processing system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that the use place of history information whose contents are digitized is limited to a museum or laboratory or the like, so that it is difficult that a general user can use the history information in order to freely enjoy history at a site, and it is impossible to sufficiently exert the value. <P>SOLUTION: A retrieval position information acquiring part 201 of a portable terminal 200 acquires retrieval position information being information related with the position of a portable terminal 200, and a history video information acquiring part 103 of a server device 100 acquires history video information corresponding to the acquired retrieval position information from a position history information storing part 101, and transmits it to a portable terminal 200. The portable terminal 200 outputs the received history video information from an output part 204 of the portable terminal 200. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an information processing system that provides information related to history.

In recent years, information related to history has been digitized. Information related to history is converted into digital content and stored in a database, making it easier to use information, such as being able to retrieve from remote locations using communication technologies such as the Internet. It is expected to be very easy to use and useful not only for academic use but also for general users (for example, see Non-Patent Document 1).
"Kanzura Image Database", [online], [Search on December 14, 2004], National Museum of History and Ethnology, Internet <http://www.rekihaku.ac.jp/database/gazo/index.html>

  However, in reality, information related to such digital content history is used only by researchers and users who are interested in history, and the place of use is also used in museums and research. Limited to places such as rooms. Therefore, it cannot be said that general users can easily use it to get close to history, and there is a problem that the value of information related to the history of digital contents cannot be fully utilized.

  An information processing system according to the present invention is an information processing system including a server device and a mobile terminal, and the server device includes position information that is information about a position and a historical video of a position specified by the position information. A location history information storage unit that stores one or more location history information having history video information, and a search location information receiving unit that receives, from the mobile terminal, search location information that is information about the location of the mobile terminal; A historical video information acquisition unit that acquires historical video information based on the search position information, and a historical video information transmission unit that transmits the historical video information acquired by the historical video information acquisition unit to the mobile terminal, The mobile terminal includes a search position information acquisition unit that acquires the search position information, a search information transmission unit that transmits the search position information to the server device, and the history video information It includes a historical video information receiving unit for receiving from said server device, an output unit for outputting the history image information the historical video information receiving unit receives.

  With this configuration, the user can obtain historical video information about the current position, and can accept information related to history as a realistic experience. This makes it possible to use information related to history more effectively.

  In the information processing system, the position history information includes direction information that is information related to a direction of the mobile terminal, position information, and history video information. The mobile terminal is information related to the direction of the mobile terminal. A search direction information acquisition unit that acquires certain search direction information is further included, the search information transmission unit transmits the search position information and the search direction information to the server device, and the history video information acquisition unit includes the history video information acquisition unit, History video information is acquired based on the search position information and the search direction information.

  With this configuration, the user can display historical video information corresponding to the direction of the mobile terminal, making it easier to grasp the positional relationship between the current landscape and the historical video information displayed on the display, and comparing the two. You can see. This makes it easier to understand information related to history.

  Further, in the information processing system, the location history information further includes period information that is information indicating an era, and the mobile terminal further includes a search period information reception unit that receives search period information that is information about the period. The search information transmission unit further transmits the search period information, and the history video information acquisition unit includes the search period information and the search position information, or the search period information and the search position information and the search. Historical video information is acquired based on the direction information.

  With such a configuration, the user can display the change of the landscape according to the era at the same position by using the search era information. Thereby, the user can learn the change of history more deeply.

  According to the information processing system of the present invention, information related to history can be used effectively.

  Hereinafter, embodiments of an information processing system and the like will be described with reference to the drawings. In addition, since the component which attached | subjected the same code | symbol in embodiment performs the same operation | movement, description may be abbreviate | omitted again.

(Embodiment 1)
FIG. 1 is a schematic diagram showing an outline of the information processing system according to the first embodiment. The information processing system according to the first embodiment includes a server device 100 and a mobile terminal 200 connected via a network 300.

  The portable terminal 200 is a portable information processing terminal that can be connected to a network. The mobile terminal 200 can be realized by, for example, a mobile phone, a PDA that can be connected to a network, a portable computer, or the like.

The network 300 may be any network as long as it can transmit and receive data between the server apparatus 100 and the mobile terminal 200. The network 300 may be a wireless or wired network using an IP protocol or the like, for example. Communication in this network may be realized by terrestrial broadcasting, cable television broadcasting, satellite broadcasting, or the like.
FIG. 2 is a block diagram showing a configuration of the information processing system according to the first embodiment.
The information processing system according to the first embodiment includes a server device 100 and a mobile terminal 200 connected via a network 300.
The server device 100 includes a location history information storage unit 101, a search location information reception unit 102, a history video information acquisition unit 103, and a history video information transmission unit 104.
The portable terminal 200 includes a search position information acquisition unit 201, a search information transmission unit 202, a historical video information reception unit 203, and an output unit 204.

  The position history information storage unit 101 stores one or more pieces of position history information including position information that is information about the position and history video information that is a historical image of the position specified by the position information. The position information is specifically information for specifying the position, for example, information combining longitude and latitude, such as 37 degrees 31 minutes 03 seconds north latitude, 137 degrees 42 minutes 33 seconds east longitude, Any information may be used such as an address such as Yamanote-cho 1-chome x-address y. Information indicating a relative position from a certain point, such as 100 m to the north and 30 m to the east, may be used. Alternatively, a region may be divided in advance into rectangular regions of a predetermined size, and the position may be specified in units of the divided regions. The data structure of position information does not matter. A historical video is a video for expressing what has happened in the past at or around the location specified by the location information, and may be a video actually taken in the past, such as a recorded movie. However, it may be a figure left in the literature, etc., or it may be a video or the like that is inferred based on the literature or historical materials excavated at that location and reproduced by computer graphics. May be. This video may be a moving image or a still image. Moreover, the image | video which reacts interactively according to a user's instruction | indication may be sufficient. In addition to the video information, the video information may include audio information for providing explanations and supplements of the video, sound effects, and the like. The historical video information may be any information as long as the mobile terminal 200 can output video. For example, moving image information that can be streamed such as MPEG-4 may be used, or moving image information that cannot be streamed. Still image information such as JPEG or PNG may also be used. Further, if the server device 100 or the mobile terminal 200 has a rendering function, three-dimensional stereoscopic information, two-dimensional vector information, or the like may be used. The position history information storage unit 101 manages the position information in the position history information and the history video information and the corresponding relationship by recording them in a table, for example. The data structure of location history information does not matter. The location history information storage unit 101 can be realized by a non-volatile storage medium such as a hard disk or an optical disk.

  The search position information receiving unit 102 receives search position information from the mobile terminal 200 via the network 300. The search position information will be described later. The search position information receiving unit 102 can be realized by a wireless or wired communication unit, a broadcast receiving unit, or the like.

  The historical video information acquisition unit 103 acquires historical video information based on the search position information. Specifically, the position history information including position information determined to correspond to the search position information received by the search position information receiving unit 102 is searched in the position history information storage unit 101, and the position obtained as a result of the search History video information included in the history information is acquired from the location history information storage unit 101. The search process may be performed in any way. In addition, the correspondence relationship between the search position information and the position information determined in the search may be any correspondence relationship. For example, it may be position information that completely matches the search position information, or position information that indicates a position closest to the position indicated by the search position information. Further, it may be position information included in a predetermined area set based on the search position information. The historical video information acquisition unit 103 can be realized by an MPU, a memory, or the like.

  The historical video information transmission unit 104 outputs the historical video information acquired by the historical video information acquisition unit 103 to the mobile terminal 200 via the network 300. The historical video information transmission unit 104 can be realized by a wired or wireless communication unit, a broadcast unit, or the like.

  The search position information acquisition unit 201 acquires search position information that is information related to the position of the mobile terminal 200. Specifically, the search position information is the same information as the position information included in the position history information stored in the position history information storage unit 101 described above. The data structure of the search position information does not matter. It does not matter how the search position information acquisition unit 201 acquires the search position information. The search position information acquisition unit 201 may acquire the search position information by using, for example, a GPS (global positioning system) mechanism. GPS is a system for obtaining the position of a receiver from the time required for radio waves output from a plurality of GPS satellites to reach the receiver. Since the detailed configuration of the GPS is known, a description thereof is omitted here. Further, for example, by using the position information positioning mechanism of the personal handyphone system, information on the positions of a plurality of base stations that output radio waves installed in advance, and the radio waves received by the mobile terminal 200 from these base stations You may make it measure the position of the portable terminal 200 from strength. The search position information acquisition unit 201 acquires the search position information by calculating the search position information based on, for example, information acquired by the mobile terminal 200 from the outside. Alternatively, the information acquired by the mobile terminal 200 from the outside may be temporarily transmitted to an external server device (not shown) and the search position information calculated by the external server device may be acquired. . It does not matter at what timing the search position information acquisition unit 201 acquires the search position information. For example, the search position information may be acquired by an instruction from the user, or the search position information may be acquired regularly or irregularly. The search position information acquisition unit 201 can be realized by a GPS receiver, an MPU, a memory, or the like. For example, when the search position information acquisition unit 201 acquires the search position information according to an instruction from the user, an instruction reception unit for receiving an instruction from the user may be provided.

  The search information transmission unit 202 outputs the search position information acquired by the search position information acquisition unit 201 to the server device 100 via the network 300. The search information transmitting unit 202 can be realized by a wired or wireless communication unit, a broadcast unit, or the like.

  The historical video information receiving unit 203 receives historical video information output from the server device 100 via the network 300. The historical video information receiving unit 203 can be realized by a wired or wireless communication unit, a broadcast unit, or the like.

  The output unit 204 outputs the historical video information received by the historical video information receiving unit 203. In addition, when the historical video information is encoded by MPEG-4 or the like, the output unit 204 may decode and output the historical video information. The output unit 204 may or may not include a display device. For example, when the output unit 204 includes a display device, the received historical video information may be displayed on this display device. For example, when the output unit 204 does not include a display device, information necessary for displaying a video may be transmitted to a device that displays another video. The output unit 204 includes display device driver software, or display device driver software and a display device. The display device can be realized by a display such as a liquid crystal or a CRT, for example. Further, when decoding processing is necessary, an MPU, a memory, or the like may be included.

Next, the operation of the server apparatus 100 will be described using the flowchart of FIG.
(Step S301) The search position information receiving unit 102 determines whether or not the search position information has been received. If received, the process proceeds to step S302. If not received, the process returns to step S301.
(Step S302) The historical video information acquisition unit 103 searches the position history information storage unit 101 for position information corresponding to the search position information received in step S301.

(Step S303) The historical video information acquisition unit 103 determines whether there is position information corresponding to the search position information. If there is corresponding position information, the process proceeds to step S304. If there is no corresponding position information, the process ends.
(Step S <b> 304) The historical video information acquisition unit 103 acquires historical video information in the location history information including the corresponding location information from the location history information storage unit 101.

  (Step S305) The historical video information transmitting unit 104 transmits the historical video information acquired in step S304 to the portable terminal 200 via the network 300. Then, the process returns to step S301. In the flowchart of FIG. 3, the process ends when the power is turned off or the process ends.

Next, the operation of the mobile terminal 200 will be described using the flowchart of FIG.
(Step S401) The search position information acquisition unit 201 determines whether search position information has been acquired. If acquired, the process proceeds to step S402. If not acquired, the process returns to step S401.
(Step S402) The search information transmitting unit 202 transmits the search position information acquired in step S401 to the server apparatus 100 via the network 300.

  (Step S403) The historical video information receiving unit 203 determines whether historical video information has been received. If received, the process proceeds to step S404. If not received, the process proceeds to step S405.

  (Step S404) The output unit 204 outputs the historical video information received in step S403. In the case where the historical video information is encoded, the historical video information is output after being appropriately decoded. Then, the process ends.

  (Step S405) The historical video information receiving unit 203 determines whether or not a timeout has occurred. The timeout is, for example, determining whether a predetermined time has elapsed since the search information transmitting unit 202 transmitted search position information. If timed out, the process proceeds to step S406, and if not timed out, the process returns to step S403.

  (Step S406) The output unit 204 outputs information for displaying that there is an error or that there is no historical video information corresponding to the current position. Information for performing these displays is stored in advance in a memory or the like. Then, the process ends.

  Next, a specific example of the information processing system according to the present embodiment will be described. Here, it is assumed that the mobile terminal 200 is a mobile phone, and the search position information acquisition unit 201 of the mobile terminal 200 is a GPS receiver. The output unit 204 includes a display as a display device. The network 300 is assumed to be the Internet.

  First, it is assumed that the user who has the mobile terminal 200 is traveling to a sightseeing spot in Japan. Then, at a certain point, when the acquisition of historical video information is instructed from the numeric keypad or menu screen of the mobile terminal 200, the search position information acquisition unit 201 that is a GPS receiver uses the current position of the mobile terminal as the search position information. Acquired as latitude and longitude information. The acquired search position information is, for example, information represented by (North latitude X degree A minute 10 seconds, East longitude Y degree C minutes 23 seconds). The search information transmission unit 202 transmits the search position information acquired by the search position information acquisition unit 201 to the server device 100 via the Internet.

  The search position information receiving unit 102 of the server device 100 receives the search position information from the mobile terminal 200. Then, the history video information acquisition unit 103 searches the location history information having the location information corresponding to the search location information received by the search location information reception unit 102 from the location history information stored in the location history information storage unit 101. To do. Here, the position history information storage unit 101 indicates the position information indicating the position closest to the position indicated by the search position information (north latitude X degree A minute 10 seconds, east longitude Y degree C minutes 23 seconds) acquired from the mobile terminal 200. Search from the location history information in.

  FIG. 5 is an example of a table showing the relationship between position information and history video information in the position history information stored in the position history information storage unit 101. This table has attributes of “location history information ID”, “location information”, and “history video information name”, and “location information” is further divided into attributes of “latitude” and “longitude”. . “Location history information ID” is information for managing location history information. “Latitude” is a value representing the position using latitude. “Longitude” is a value representing the position using longitude. The “history video information name” is a name for identifying historical video information here, and a file name is used here. The data structure of “location history information ID”, “longitude”, “latitude”, and “history video information name” does not matter.

  The historical video information acquisition unit 103 searches for position information corresponding to the search position information acquired from the mobile terminal 200 from a table as shown in FIG. 5 stored in the position history information storage unit 101.

  Here, the position information of the position history information NE0114 having a latitude of north latitude X degrees A minute 11 seconds and a longitude east longitude Y degree C minutes 21 seconds is detected as position information corresponding to the search position information. The historical video information acquisition unit 103 acquires historical video information EDO09847 included in the location history information NE0114 having this location information. Then, the historical video information transmission unit 104 transmits historical video information called EDO09847. The historical video information EDO09847 is, for example, moving image data in which a scene from the Edo period is reproduced by animation at the position indicated by the position information included in the position history information NE0114, and is encoded by MPEG-4. .

  When the historical video information receiving unit 203 of the portable terminal 200 receives the historical video information EDO09847, the output unit 204 performs decoding corresponding to MPEG-4 on the historical video information EDO09847, and the decoded historical video information EDO09847 is received. And displayed on the display of the portable terminal 200.

  FIG. 6 is a schematic diagram showing a state in which the historical video information EDO09847 is displayed on the display of the portable terminal 200. As shown in FIG. 6, on the display of the mobile terminal 200, historical video information corresponding to the current position of the mobile terminal 200, here, a video reproducing the scenery of the Edo period is displayed. Thereby, the user can know what kind of scenery the place where he is now was in the Edo period. For this reason, for example, the user can accept historical video information as part of a real experience, not as a mere knowledge, by comparing the current landscape with a historical landscape, for example. As a result, the historical video information can be provided to the user more impressively, and the user can be interested in history. In addition, since it is possible to easily obtain historical video information about the user's current location without detailed knowledge about the travel destination, even users who do not have a wealth of history are easily related to history. Information can be touched, and the number of users who use information related to history can be increased.

  As described above, according to the present embodiment, the search position information acquisition unit 201 of the mobile terminal 200 acquires the search position information, and the history video information corresponding to the acquired search position information is stored in the history video information of the server device 100. The acquisition unit 103 acquires from the location history information storage unit 101, and outputs the acquired history video information at the output unit 204 of the mobile terminal 200. As a result, the user can obtain historical video information about the current position, and can accept information related to history as a realistic experience. In addition, even without specialized knowledge about history and technology for searching for information, the user can easily obtain historical video information and can easily access information related to history. As a result, it is possible to effectively use information related to history.

  In the above embodiment, historical video information obtained by rendering three-dimensional stereoscopic data may be displayed on the output unit 204 of the mobile terminal 200. Specifically, the position history information storage unit 101 stores three-dimensional stereoscopic data that reproduces historical landscapes of various regions as history video information. When the server apparatus 100 receives the search position information from the mobile terminal 200, the historical video information acquisition unit 103 acquires the three-dimensional stereoscopic data stored in the position history information storage unit 101. Then, a position corresponding to the search position information received from the mobile terminal 200 is set as a viewpoint, and three-dimensional stereoscopic data is rendered. The rendered historical video information obtained in this way is transmitted to the mobile terminal 200. Even in such a case, the same effect as the above-described embodiment is obtained. Furthermore, when the position of the mobile terminal 200 changes and the position of the search position information changes, the position of the viewpoint set in the three-dimensional stereoscopic data is changed, and the three-dimensional stereoscopic data is rendered, History video information corresponding to the position of the new mobile terminal 200 can be obtained. As a result, it is possible to display historical video information in accordance with the movement of the mobile terminal 200, that is, the movement of the user. For example, if the historical video information is to display an old building, it is also possible to display the historical video information sequentially so as to go around the old building according to the movement of the user. Become. Further, it is not necessary to prepare history video information for a plurality of positions in advance, and the storage space of the position history information storage unit 101 can be reduced. The same applies to other embodiments.

  In the above embodiment, each component may be configured by dedicated hardware, or a component that can be realized by software may be realized by executing a program. For example, each component can be realized by a program execution unit such as a CPU reading and executing a software program recorded on a recording medium such as a hard disk or a semiconductor memory. The software that realizes the information processing apparatus in each of the above embodiments is a program as described below. That is, the program includes a search position information acquisition step for acquiring search position information, which is information related to a position, a search information transmission step for transmitting the search position information, and the history video corresponding to the search position information. A program for executing a history video information receiving step for receiving information and an output step for outputting the received history video information.

  In the above program, at least a process performed only by hardware in a transmission step for transmitting information, a reception step for receiving information, etc., for example, a process performed by a modem or an interface card in the transmission step is included I can't.

  Further, this program may be executed by being downloaded from a server or the like, and a program recorded on a predetermined recording medium, for example, an optical disk such as a CD-ROM, a magnetic disk, or a semiconductor memory is read out. May be executed by

  Further, the computer that executes this program may be singular or plural. That is, centralized processing may be performed, or distributed processing may be performed.

(Embodiment 2)
The information processing system according to the second embodiment is such that historical video information corresponding to the orientation of the mobile terminal is further output from the mobile terminal in the information processing system according to the first embodiment.

  FIG. 7 is a block diagram showing a configuration of an information processing system according to Embodiment 2 of the present invention. The information processing system according to the second embodiment includes a server device 120 and a mobile terminal 220 connected via a network 300.

  The server device 120 includes a location history information storage unit 121, a search location information reception unit 102, a history video information acquisition unit 123, and a history video information transmission unit 104. Note that the configuration of the historical video information transmission unit 104 is the same as that of the first embodiment, and a description thereof will be omitted. The configuration of the search position information receiving unit 102 is the same as that of the first embodiment except that the search direction information is received in addition to the search position information, and the description thereof is omitted. The search direction information will be described later.

  The portable terminal 220 includes a search position information acquisition unit 201, a search information transmission unit 202, a historical video information reception unit 203, an output unit 204, and a search direction information acquisition unit 225. Note that the configurations of the search position information acquisition unit 201, the historical video information reception unit 203, and the output unit 204 are the same as those in the first embodiment, and thus description thereof is omitted. The configuration of the search information transmission unit 202 is the same as that of the first embodiment except that the search direction information is transmitted in addition to the search position information, and thus the description thereof is omitted.

  The location history information storage unit 121 stores location information and history video information as well as the location history information storage unit 101 described in the first embodiment, and is further specified by this location information. It stores direction information that is information related to the orientation of the mobile terminal 220 at the position. The direction information is information for specifying the direction of the mobile terminal 220 and may be any information as long as the direction can be specified. For example, it may be information indicating an orientation such as north, northeast, or east, or information on an orientation expressed in angle with north being 0 degree. Further, it may be vector information starting from a predetermined position, or information indicating an angle with respect to a latitude line or a meridian. The location history information storage unit 121 manages the correspondence relationship between the direction information, location information, and history video information in the location history information, for example, by recording it in a table or the like. As described above, since the position history information has the same configuration as that of the position history information storage unit 101 of the first embodiment except that the position history information includes direction information, detailed description thereof is omitted. To do.

  The historical video information acquisition unit 123 acquires historical video information based on the search position information and the search direction information received by the search position information reception unit 102. The search direction information will be described later. Specifically, the historical video information acquisition unit 123 has position information determined to correspond to the search position information received by the search position information reception unit 102, and the search direction information received by the search position information reception unit 102 The position history information storage unit 121 is searched for position history information having direction information that is determined to correspond to. Then, the historical video information included in the location history information obtained as a result of the search is acquired from the location history information storage unit 121. The search process may be performed in any way. For example, first, the position history information having the position information corresponding to the search position information is searched, and the position history information having the direction information corresponding to the search direction information is searched for the search result. The historical video information included in the position history information obtained as a result may be acquired. In addition, location history information having direction information corresponding to the search direction information is searched, and position history information having location information corresponding to the search location information is searched for the search result. The historical video information included in the obtained location history information may be acquired. As in the first embodiment, the correspondence relationship between the search position information and the position information determined in the search may be any correspondence relationship. In addition, the correspondence relationship between the search direction information and the direction information determined in the search may be any correspondence relationship. For example, it may be direction information that completely matches the search direction information, or direction information that indicates a direction closest to the direction indicated by the search direction information. Moreover, the direction information contained in the direction of the predetermined range set based on search direction information may be sufficient. The historical video information acquisition unit 123 can be realized by an MPU, a memory, or the like.

  The search direction information acquisition unit 225 acquires search direction information that is information related to the orientation of the mobile terminal 220. Specifically, the search direction information is the same information as the direction information included in the position history information stored in the position history information storage unit 121 described above. The data structure of search direction information does not matter. It does not matter how the search direction information acquisition unit 225 acquires the search direction information. The search direction information acquisition unit 225 may acquire search direction information using, for example, a gyro sensor. The gyro sensor is a sensor that detects angular velocity, and can determine the direction based on the detection result. Moreover, you may make it acquire search direction information using the sensor which detects geomagnetism. Since a detailed configuration for detecting a direction using a gyro sensor, a sensor for detecting geomagnetism, or the like is known, a description thereof is omitted here. Note that the search direction information acquisition unit 225 may acquire the search position information by calculating the search direction information by the search direction information acquisition unit 225 itself, or temporarily acquire the information acquired by the mobile terminal 220. The search direction information calculated in the external server device or the like may be acquired by transmitting to an external server device or the like (not shown). It does not matter at what timing the search direction information acquisition unit 225 acquires the search direction information. For example, the search direction information may be acquired by an instruction from the user, or the search direction information may be acquired regularly or irregularly. The search direction information acquisition unit 225 can be realized by a gyro sensor, a sensor that detects geomagnetism, an MPU, a memory, and the like. For example, when the search direction information acquisition unit 225 acquires search direction information according to an instruction from the user, an instruction reception unit for receiving an instruction from the user may be provided.

  Next, the operation of the information processing system according to the second embodiment will be described. As for the operation of the server device 120, the information received by the search position information receiving unit 102 is the search position information and the search direction information, and the search performed by the historical video information acquisition unit 103 to acquire the historical video information. However, since the operation is the same as that of the server apparatus 100 described in the first embodiment with reference to the flowchart of FIG. 3 except that it is based on the search position information and the search direction information, the description is omitted. To do.

  The operation of the portable terminal 220 will be described using the flowchart of FIG. Steps other than step S801 are the same as the operation of the mobile terminal 200 described in the first embodiment with reference to the flowchart of FIG.

  (Step S801) When the search position information is acquired in step S401, the search direction information acquisition unit 225 determines whether or not the search direction information has been acquired. If acquired, the process proceeds to step S402. If not acquired, the process returns to step S801.

  Here, step S801 is the next step after step S401. However, in the present invention, step S801 may be a step before step S401.

  Next, a specific example will be described. The description of the same parts as those of the specific example of the first embodiment will be omitted. Here, it is assumed that the search direction information acquisition unit 225 is a gyro sensor.

  First, it is assumed that the user who has the mobile terminal 220 is traveling to a sightseeing spot in Japan. Then, when the acquisition of historical video information is instructed from a numeric keypad or menu screen of the mobile terminal 200 at a certain point, the search position information acquisition unit 201 that is a GPS receiver uses the current position of the mobile terminal as the search position information. Get as latitude and longitude information. Further, the search direction information acquisition unit 225 which is a gyro sensor acquires the current orientation of the mobile terminal as the search direction information as a value of an azimuth expressed as an angle with north being 0 degree. Here, as an example, the direction from the bottom to the top of the display of the mobile phone is the direction of the mobile terminal 220.

  The acquired search position information is, for example, information represented by (North latitude X degree A minute 10 seconds, East longitude Y degree C minutes 23 seconds). Further, it is assumed that the search direction information is 90 degrees. The search information transmitting unit 202 transmits the search position information and search direction information acquired by the search position information acquiring unit 201 to the server device 120 via the Internet.

  The search position information receiving unit 102 of the server device 120 receives the search position information and the search direction information from the mobile terminal 220. Then, the history video information acquisition unit 123 searches the position history information stored in the position history information storage unit 121 for the search position information and the search direction information received by the search position information reception unit 102. Here, the search position information receiving unit 102 has position information indicating the position closest to the position indicated by the search position information received (north latitude X degree A minute 10 seconds, east longitude Y degree C minute 23 seconds), and the search The position history information having the direction information indicating the direction closest to the 90 degree direction indicated by the search direction information received by the position information receiving unit 102 is searched from the position history information in the position history information storage unit 121.

  FIG. 9 is an example of a table showing the relationship among position information, direction information, and historical video information in the position history information stored in the position history information storage unit 121. This table is obtained by adding an attribute “direction information” to the table described with reference to FIG. 5 in the first embodiment. “Direction information” is a value representing an azimuth by an angle. The data structure of the attribute of “direction information” does not matter.

  The history video information acquisition unit 123 stores the position history corresponding to the search position information and the search direction information received by the search position information reception unit 102 from the table shown in FIG. 9 stored in the position history information storage unit 121. Search for information.

  Here, the history video information acquisition unit 123 searches the position history information NE01149 whose latitude is north latitude X degrees A minute 11 seconds, longitude is east longitude Y degree C minutes 21 seconds, and direction information is 90 degrees. It is detected as position history information corresponding to the direction information. The historical video information acquisition unit 123 acquires historical video information EDO098479 included in the location history information NE01149. Then, the historical video information transmission unit 104 transmits historical video information called EDO098479. Note that this historical video information EDO098479 is, for example, a moving image in which the scenery of the Edo period displayed when it is turned 90 degrees with respect to the north at the position indicated by the position information included in the position history information NE01149 is animated. It is image data and is encoded by MPEG-4.

  When the historical video information receiving unit 203 of the portable terminal 220 receives the historical video information EDO098479, the output unit 204 performs decoding corresponding to MPEG-4 on the historical video information EDO098479, and outputs the decoded historical video information EDO098479. And displayed on the display of the portable terminal 220.

  FIG. 10 is a diagram schematically illustrating the orientation of the mobile terminal 220 and the current position. FIG. 11 is a schematic diagram showing a state in which the historical video information EDO098479 is displayed on the display of the portable terminal 220. As shown in FIG. 10, the orientation of the mobile terminal 220 at the current position is 90 degrees to the north, that is, east, as indicated by an arrow. In this case, the display of the mobile terminal 220 includes: As shown in FIG. 11, a landscape in the Edo period is displayed when the direction is 90 degrees north with respect to the north latitude X degrees A minutes 11 seconds and east longitude Y degrees C minutes 21 seconds.

Here, it is assumed that the user changes the orientation of the mobile terminal 220 to 0 degrees, that is, northward at the same position.
In this case, the search direction information acquisition unit 225 acquires a value of 0 degrees as the search direction information. The search position information acquisition unit 201 acquires the same search position information as the previous search position information. Then, the search information transmission unit 202 transmits the search direction information and the search position information to the server device 120.

  In the server device 120, the history video information acquisition unit 123 uses the table shown in FIG. 9 as the position history information corresponding to the search position information and the search direction information, the latitude is north latitude X degree A minute 11 seconds, and the longitude is east longitude. The position history information NE01140 having a Y degree C minute of 21 seconds and direction information of 0 degree is detected. Then, the historical video information acquisition unit 123 acquires historical video information EDO098470 included in the location historical information NE01140, and the historical video information transmission unit 104 transmits the historical video information transmission unit 104 to the portable terminal 220.

  When the historical video information receiving unit 203 of the portable terminal 220 receives the historical video information EDO098470, the output unit 204 performs decoding corresponding to MPEG-4 on the historical video information EDO098470, and the decoded historical video information EDO098470 is received. And displayed on the display of the portable terminal 220.

  FIG. 12 is a diagram schematically illustrating the orientation of the mobile terminal 220 and the current position when the orientation of the mobile terminal 220 is 0 degree. FIG. 13 is a schematic diagram showing a state in which the historical video information EDO098479 is displayed on the display of the mobile terminal 220 when the orientation of the mobile terminal 220 is 0 degree. As shown in FIG. 12, the orientation of the mobile terminal 220 at the current position is an orientation of 0 degrees with respect to the north, that is, the north orientation, as indicated by an arrow. In the same position as the position of the mobile terminal 220 shown in FIG. 9, a landscape in the Edo period when facing north is displayed. Therefore, if the orientation of the mobile device 220 at a certain point is eastward, the scenery of the Edo period considered to have been seen when facing east from that point is displayed. The scenery of the Edo period, which is thought to have been seen when facing, is displayed. Thus, since the historical video information corresponding to the orientation of the mobile terminal 220 is displayed on the display of the mobile terminal 220, the user can compare the current landscape and the historical video information displayed on the display of the mobile terminal 220. It becomes easy to grasp the positional relationship.

  Note that the mobile terminal 220 continuously acquires the search position information and transmits the acquired search position information to the server apparatus 120, thereby acquiring the historical video information corresponding to the search position information to the server apparatus. Inquiries may be made continuously. In this way, when the orientation of the mobile terminal 220 is changed, the history video information displayed on the mobile terminal 220 can be automatically switched in response to the change in orientation. Thereby, it is possible to display historical video information in accordance with the movement of the user, and it is possible to give the user an impression that the user is in an era when the historical video information is displayed.

  As described above, according to the present embodiment, the search position information acquisition unit 201 of the mobile terminal 220 acquires the search position information, the search direction information acquisition unit 225 acquires the search direction information, and the acquired search position information and search The historical video information acquisition unit 123 of the server device 120 acquires historical video information corresponding to the direction information from the location history information storage unit 121, and outputs the acquired historical video information at the output unit 204 of the mobile terminal 220. I made it. As a result, the user can obtain historical video information about the current position, and can accept information related to history as a realistic experience. Further, even without specialized knowledge and technology, the user can easily obtain historical video information, and can easily touch information related to history. Furthermore, by using the search direction information, historical video information corresponding to the direction of the mobile terminal 220 can be displayed, and the positional relationship between the current landscape and the historical video information displayed on the display can be easily understood, The contents shown by historical video information are easier to understand. As a result, information related to history can be used more effectively.

  Also in this embodiment, historical video information obtained by rendering three-dimensional stereoscopic data may be displayed on the output unit 204 of the mobile terminal 220. At this time, by rendering the three-dimensional stereoscopic data by setting the direction indicated by the search direction information as the viewpoint, in addition to the movement of the user, the historical video information considering the movement of the user's viewpoint is displayed on the display of the mobile terminal 220. Can be displayed. The same applies to other embodiments.

(Embodiment 3)
The information processing system according to the third embodiment is the information processing system according to the first embodiment, in which historical video information corresponding to the period information is output from the mobile terminal.

  FIG. 14 is a block diagram showing a configuration of an information processing system according to Embodiment 3 of the present invention. The information processing system according to the third embodiment includes a server device 130 and a mobile terminal 230 connected via a network 300.

  The server device 130 includes a location history information storage unit 131, a search location information reception unit 102, a history video information acquisition unit 133, and a history video information transmission unit 104. Note that the configuration of the historical video information transmission unit 104 is the same as that of the first embodiment, and a description thereof will be omitted. The configuration of the search position information receiving unit 102 is the same as that of the first embodiment except that the search age information described later is received in addition to the search position information, and the description thereof is omitted.

  The portable terminal 230 includes a search position information acquisition unit 201, a search information transmission unit 202, a historical video information reception unit 203, an output unit 204, and a search age information reception unit 236. Note that the configurations of the search position information acquisition unit 201, the historical video information reception unit 203, and the output unit 204 are the same as those in the first embodiment, and thus description thereof is omitted. The configuration of the search information transmitting unit 202 is the same as that of the first embodiment except that the search age information is transmitted in addition to the search position information, and the description thereof is omitted.

  The location history information storage unit 131 is configured to further store period information as location history information in the location history information storage unit 101 of the first embodiment. The period information is information for indicating which period the image related to the history displayed by the history image information belongs, and may be any information as long as the period can be specified. For example, any information such as the name of the period such as the Nara period or the Heian period, the year represented by the Christian era, or the age such as the early Showa period may be used. Moreover, you may have a date, time, etc. Further, the information may be information that specifies a period from a specific point in time, such as 100 years ago from now. The data structure of the period information does not matter. The period described here may be a specific or unspecified period, or may be a specific day or time. The location history information storage unit 131 manages the correspondence relationship between the period information, location information, and history video information in the location history information, for example, by recording it in a table or the like. Except for the fact that the location history information includes the period information in this way, the configuration is the same as that of the location history information storage unit 101 of the first embodiment, and thus detailed description is omitted. To do.

  The historical video information acquisition unit 133 acquires historical video information based on the search position information received by the search position information reception unit 102 and the search period information. Specifically, period information that has position information determined to correspond to the search position information received by the search position information receiving unit 102 and is determined to correspond to the search period information received by the search position information receiving unit 102 Is searched for in the position history information storage unit 131. Then, the historical video information included in the location history information obtained as a result of the search is acquired from the location history information storage unit 131. The search process may be performed in any way. As in the first embodiment, the correspondence relationship between the search position information and the position information determined in the search may be any correspondence relationship. Further, the correspondence relationship between the search age information and the age information determined in the search may be any correspondence relationship. For example, it may be period information that completely matches the search period information, or may be period information that is closest to the period indicated by the search period information. Moreover, the period information contained in the period of the predetermined range set based on search period information may be sufficient. The historical video information acquisition unit 133 can be realized by an MPU, a memory, or the like.

  The search period information receiving unit 236 receives search period information that is information about the period. The search period information is specifically the same information as the period information included in the position history information stored in the position history information storage unit 131 described above. The data structure of search age information does not matter. The search age information receiving unit 236 may receive information input from an input device such as a keyboard, a numeric keypad, a mouse, and a touch panel, and may receive information transmitted via a wired or wireless communication line. Alternatively, information read from a predetermined recording medium such as an optical disk, a magnetic disk, or a semiconductor memory may be received. The search age information reception unit 236 can be realized by a device driver of an input device such as a keyboard or a numeric keypad, input device driver software and input device, menu screen control software, or the like.

  Next, the operation of the information processing system according to the third embodiment will be described. Regarding the operation of the server device 130, the information received by the search position information receiving unit 102 is the search position information and the search period information, and the search performed by the historical video information acquisition unit 103 to acquire the historical video information. However, except that it is based on the search position information and the search age information, the operation is the same as the operation of the server apparatus 100 described in the first embodiment using the flowchart of FIG. .

  The operation of the portable terminal 230 will be described using the flowchart of FIG. Steps other than step S1501 are the same as the operation of the mobile terminal 230 described in the first embodiment with reference to the flowchart of FIG.

  (Step S1501) It is determined whether the search age information reception part 236 received search age information. If accepted, the process proceeds to step S401. If not accepted, the process returns to step S1501.

  Here, step S1501 is the step before step S401, but in the present invention, step S1501 may be the step after step S401.

Next, a specific example will be described. The description of the same parts as those of the specific example of the first embodiment will be omitted.
First, when the user who has the portable terminal 230 instructs acquisition of historical video information from the numeric keypad or menu screen of the portable terminal 230, a screen for accepting search period information is displayed on the display of the portable terminal 230. .

FIG. 16 is a diagram illustrating a display example of a screen for receiving search era information. As shown in the figure, this screen has an input field for inputting search period information. The user uses the numeric keypad to enter this input field, for example, “Edo”.
When the transmission button is pressed, the search period information “Edo” and the search position information acquired by the search position information acquisition unit 201, for example, (North latitude X degree A minute 10 seconds, East longitude Y degree C minutes 23 seconds) Are transmitted to the server device 130. Instead of using the input field, for example, a so-called drop-down list for selecting one era name from a plurality of era names may be used.

  In the server device 130, the history video information acquisition unit 133 stores the position history information corresponding to the search position information and the search period information “Edo” received by the search position information receiving unit 102 in the position history information storage unit 131. Search by.

  FIG. 17 is an example of a table showing the relationship between position information, period information, and historical video information in the position history information stored in the position history information storage unit 131. This table is obtained by adding the attribute “period information” to the table described with reference to FIG. 5 in the first embodiment. “Time information” is information indicating the name of the time. The data structure of the “period information” attribute does not matter.

  Here, the search position information receiving unit 102 has position information indicating the position closest to the position indicated by the search position information received (north latitude X degree A minute 10 seconds, east longitude Y degree C minute 23 seconds), and the search The position history information having the same period information as “Edo” that is the search period information received by the position information receiving unit 102 is searched from the position history information in the position history information storage unit 121. As a result of this search, the history video information acquisition unit 133 obtains the position history information NE0114E having latitude of north latitude X degrees A minute 11 seconds, longitude longitude Y degree C minutes 21 seconds, and period information “Edo”. It is detected as location history information corresponding to information and search age information. Then, the historical video information EDO09847 included in the detected location history information is transmitted from the historical video information transmission unit 104 to the portable terminal 230. The historical video information EDO09847 is the same information as the historical video information EDO09847 described in the first embodiment. That is, the Edo period landscape at the position indicated by the positional information of the positional history information NE0114E is reproduced by animation. This is moving image data.

  The historical video information receiving unit 203 of the portable terminal 230 receives the historical video information EDO09847, and the output unit 204 displays the historical video information EDO09847. As shown in FIG. Then, an image that reproduces the scenery of the Edo period corresponding to the current position of the mobile terminal 230 with an animation is displayed.

  Here, the user operates the portable terminal 230 at the same position to display a screen for accepting the search period information again as shown in FIG. 18, input “Jomon”, and press the send button.

  As a result, the history video information acquisition unit 133, based on the table as shown in FIG. 17, indicates the position indicated by the search position information received by the search position information receiving unit 102 (north latitude X degree A minute 10 seconds, east longitude Y degree C Position history information having position information indicating the position closest to (minute 23 seconds) and having the same period information as “Jomon” that is the search period information received by the search position information receiving unit 102 The position history information in the section 121 is searched. As a result of this search, the history video information acquisition unit 133 obtains the position history information NE0114J whose latitude is north latitude X degrees A minute 11 seconds, longitude is east longitude Y degree C minutes 21 seconds, and period information is “Jomon”. It is detected as location history information corresponding to information and search age information. Then, the historical video information JYO09847 included in the detected location history information is transmitted from the historical video information transmission unit 104 to the portable terminal 230. The history video information JYO09847 is, for example, moving image data in which a Jomon period landscape at the position indicated by the position information included in the position history information NE0114J is reproduced by animation.

  FIG. 19 is a schematic diagram showing a state in which historical video information JYO09847 is displayed on the display of the portable terminal 230. When the historical video information receiving unit 203 of the mobile terminal 230 receives the historical video information JYO09847 and the output unit 204 displays the historical video information JYO09847, the display of the mobile terminal 230 shows the current status of the mobile terminal 230 as shown in FIG. An image that reproduces the Jomon period landscape corresponding to the position by animation is displayed.

  As described above, according to the present embodiment, the search position information acquisition unit 201 of the mobile terminal 230 acquires the search position information, the search period information reception unit 236 receives the search period information, and the received search position information and the search period The historical video information acquisition unit 133 of the server device 130 acquires the historical video information corresponding to the information from the location history information storage unit 131, and displays the acquired historical video information on the output unit 204 of the portable terminal 230. did. As a result, the user can obtain historical video information about the current position, and can accept information related to history as a realistic experience. Further, even without specialized knowledge and technology, the user can easily obtain historical video information, and can easily touch information related to history. Furthermore, by using the search period information, it is possible to display a change in the landscape according to the period at the same position. This allows the user to learn more deeply about historical changes. As a result, information related to history can be used more effectively.

  In the third embodiment, the search history information storage unit 131 stores the search time information received by the search time information reception unit 236 by the search time information reception unit 236 and the historical video information acquisition unit 133. You may make it convert so that it may become information corresponding to period information. For example, if the period information is the period name of the Nara period, Edo period, etc., and the search period information is the year of the year, the correspondence between the year of the year and the name of each period is shown in advance in the memory, etc. A conversion table is prepared, and the historical video information acquisition unit 133 uses this conversion table to convert search period information indicating the year to search period information indicating the period name, and uses the converted search period information. Then, the position history information may be searched. For example, if the search era information before conversion is 795, the search era information after conversion is the Heian era, so that it is possible to search for location history information using the search era information.

  In addition, a configuration in which the search period information receiving unit 236 described in the third embodiment is provided and historical video information is acquired using the search period information is applied to the information processing system according to the second embodiment. Needless to say, you can do it.

In each of the above embodiments, each processing or each function may be realized by centralized processing by a single device or a single system, or distributed processing by a plurality of devices or a plurality of systems. May be realized.
Further, the present invention is not limited to the above-described embodiment, and various modifications are possible, and it goes without saying that these are also included in the scope of the present invention.

  The present invention is suitable as an information processing system for providing information related to history, and particularly suitable as an information processing system for displaying information related to history on a portable terminal such as a mobile phone or a PDA. .

The block diagram which shows the outline of the information processing system which concerns on Embodiment 1 of this invention Block diagram showing the configuration of the information processing system Flow chart for explaining the operation of the information processing system Flow chart for explaining the operation of the information processing system The figure which shows an example of the table stored in the server apparatus of the information processing system The figure which shows the example of a display of the portable terminal of the information processing system The block diagram which shows the structure of the information processing system which concerns on Embodiment 2 of this invention. Flow chart for explaining the operation of the information processing system The figure which shows an example of the table stored in the server apparatus of the information processing system The figure which shows direction and position of a portable terminal for demonstrating the information processing system The figure which shows the example of a display of the portable terminal of the information processing system The figure which shows direction and position of a portable terminal for demonstrating the information processing system The figure which shows the example of a display of the portable terminal of the information processing system The block diagram which shows the structure of the information processing system which concerns on Embodiment 3 of this invention. Flow chart for explaining the operation of the information processing system The figure which shows the example of a display of the portable terminal of the information processing system The figure which shows an example of the table stored in the server apparatus of the information processing system The figure which shows the example of a display of the portable terminal of the information processing system The figure which shows the example of a display of the portable terminal of the information processing system

Explanation of symbols

100, 120, 130 Server device 200, 220, 230 Mobile terminal 101, 121, 131 Location history information storage unit 102 Search location information reception unit 103, 123, 133 History video information acquisition unit 104 History video information transmission unit 201 Search location information Acquisition unit 202 Search information transmission unit 203 Historical video information reception unit 204 Output unit 225 Search direction information acquisition unit 236 Search period information reception unit 300 Network

Claims (6)

An information processing system comprising a server device and a portable terminal,
The server device
A location history information storage unit that stores one or more location history information having location information that is location information and history video information that is a historic video of the location specified by the location information;
A search position information receiving unit that receives search position information that is information related to the position of the mobile terminal from the mobile terminal;
A historical video information acquisition unit that acquires historical video information based on the search position information;
A historical video information transmitting unit that transmits the historical video information acquired by the historical video information acquiring unit to the mobile terminal;
The portable terminal is
A search position information acquisition unit for acquiring the search position information;
A search information transmission unit for transmitting the search position information to the server device;
A historical video information receiving unit for receiving the historical video information from the server device;
An information processing system comprising an output unit for outputting historical video information received by the historical video information receiving unit. The location history information is
It has direction information, information about the orientation of the mobile device, location information, and historical video information.
The portable terminal is
It further includes a search direction information acquisition unit that is information related to the orientation of the mobile terminal,
The search information transmission unit
Transmitting the search position information and the search direction information to the server device;
The historical video information acquisition unit
The information processing system according to claim 1, wherein historical video information is acquired based on the search position information and the search direction information. The location history information is
It also has time information that is information indicating the time,
The portable terminal is
It further comprises a search age information reception unit that receives search age information that is information about the time,
The search information transmission unit
Further transmitting the search age information,
The historical video information acquisition unit
The information processing system according to claim 1, wherein historical video information is acquired based on the search period information and the search position information, or the search period information, the search position information, and the search direction information. The server apparatus which comprises the information processing system in any one of Claims 1-3. The portable terminal which comprises the information processing system in any one of Claims 1-3. On the computer,
A search position information acquisition step for acquiring search position information that is information relating to the position;
A search information transmission step of transmitting the search position information;
A historical video information receiving step for receiving the historical video information corresponding to the search position information;
A program for executing an output step of outputting the received historical video information.

Images