WO2013190689A1 - ルートの検索装置及びルートの検索方法 - Google Patents
ルートの検索装置及びルートの検索方法 Download PDFInfo
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- WO2013190689A1 WO2013190689A1 PCT/JP2012/065915 JP2012065915W WO2013190689A1 WO 2013190689 A1 WO2013190689 A1 WO 2013190689A1 JP 2012065915 W JP2012065915 W JP 2012065915W WO 2013190689 A1 WO2013190689 A1 WO 2013190689A1
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- route
- route search
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
- G08G1/096838—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the user preferences are taken into account or the user selects one route out of a plurality
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3697—Output of additional, non-guidance related information, e.g. low fuel level
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
- G08G1/096844—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route where the complete route is dynamically recomputed based on new data
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/10—Map spot or coordinate position indicators; Map reading aids
- G09B29/106—Map spot or coordinate position indicators; Map reading aids using electronic means
Definitions
- the present invention relates to a route search device and a route search method for searching for a route to be guided to a moving body such as a person or a vehicle.
- a navigation system mounted on a vehicle provides route guidance from a departure place to a destination by voice or images.
- route information is set as the destination. Then, the navigation system guides a route from the current position of the vehicle to the set destination together with surrounding traffic information and the like in driving assistance.
- Patent Document 1 acquires position information included in message information such as Twitter (registered trademark) transmitted by a server, and searches for a route to a point indicated by the acquired position information.
- the system provides route guidance from the current position to the point indicated by the position information based on the route information indicating the searched route.
- JP2011-237560A JP2011-237560A
- a route that minimizes the travel cost such as travel time and fee from the departure point to the destination is selected from among a plurality of candidate routes. It is normal.
- the present invention has been made in view of such circumstances, and its purpose is to provide a route search device and route route that can diversify route guidance through effective use of posted information posted by a user. To provide a search method.
- a route search device for searching for a route of a mobile object, and includes a prescribed term from a plurality of pieces of posted information posted by a user.
- An information selection unit that selects posted information, and a route search unit that searches for a route of the mobile body based on the selected posted information.
- a route search method is a route search method for searching for a route of a mobile object, and a predetermined term is selected from a plurality of post information posted by a user.
- posting information including a specified term is selected when searching for a route. Therefore, post information useful for route search is selected from a plurality of post information including various contents. Then, the route of the moving body is searched based on the posted information selected in this way. For this reason, while searching for routes based on innumerable post information, a route reflecting a point or the like indicated by a defined term is searched. As a result, post information posted by the user is effectively used, and route guidance is diversified.
- the route search unit searches for a route that passes through a specific point indicated by the selected post information.
- a route that passes through a specific point indicated by the selected post information is searched.
- the post information includes position information indicating the post position
- the route search unit specifies the post position based on the position information of the selected post information, and the specification Search for routes that contain a relatively large number of posted positions.
- the posting information includes position information indicating the posting position
- the posting position is specified based on the position information of the selected posting information, and the specified posting Search for routes with relatively many locations.
- the posting position of each posting information is specified based on the posting position included in the posting information. Then, among the routes based on the selected posting information, a route including a relatively large number of posting positions is searched. Therefore, a route that specifically reflects the defined term is searched. As a result, there are innumerable routes from the starting point to the destination, and even if there are a plurality of selected pieces of posted information, it is possible to search for a route according to the defined term.
- the posting information includes position information indicating a posting position, and an information management unit that manages the posting information for each predetermined area based on the posting position; And a level setting unit that sets a recommendation level of each region based on a selection result of one or more pieces of posted information included in the list.
- the posting information is managed for each predetermined area, and the recommendation level is set for each area. For this reason, even if there are innumerable posting information and there are innumerable posting positions, such posting information is managed in units of a predetermined area. Then, the recommended level of each area is defined in units of areas managed in this way, or the route is searched based on the set recommended level of each area. The amount of information to be processed is reduced. As a result, the processing load for setting the recommendation level and searching for the route is reduced, and the setting of the recommendation level and searching for the route are performed smoothly.
- the recommendation level of a certain area is set based on all posting information included in the area, Even if post information with incorrect contents, post information with low accuracy, or the like is mixed in the area, the influence of post information that can be such noise is reduced. Thereby, the recommendation level and the reliability of the route search result are maintained at a high level.
- the information management unit manages the posting information in units of any one of an area partitioned in a matrix, an area in a predetermined range, and a place name of a posting position
- the level setting unit sets the recommendation level based on the information amount of the posted information included in the unit area.
- posting information is managed in units of any one of an area partitioned in a matrix, an area in a predetermined range, and a place name of a posting position. For this reason, countless posting information is managed based on a specific rule.
- the posting information is managed in units of areas having a common area by managing the posting information in units of areas partitioned in a matrix.
- the division processing of the posting information management unit and the management of each divided area are more easily performed.
- the posting information is managed in units of desired areas by managing the posting information in units of areas in a predetermined range.
- post information is flexibly managed in accordance with the defined area.
- the route search unit obtains the travel cost of the searched route by using at least one of travel time, travel distance, and travel fee, which is a fee required for travel, as the travel cost.
- travel time a route whose moving cost is equal to or more than a prescribed threshold.
- the information selection unit selects post information including at least a positive term regarding a specific point or store.
- posting information including terms indicating a highly likely target visited by the user, such as a specific point such as a road or a sightseeing spot or a store used by the user, is selected. For this reason, a route that can guide the user to the target indicated by such posted information is searched. As a result, only extremely useful post information is selected from countless post information, and a route that can be guided to the target indicated by the selected post information is searched.
- the route search apparatus further includes a route presentation unit that presents the searched route.
- the route search device is provided with a route presentation unit that can present the route searched by the route search device. Therefore, the route search device can present the route searched by itself to the user alone. Thereby, route search and presentation are realized by one device.
- the route search unit further obtains a route by using at least one of a travel time, a travel distance, and a travel fee that is a fee required for travel as a travel cost, and the route presenting unit And the route searched based on the selected posting information.
- the route that has the minimum travel cost indicated by at least one of the travel time, the travel distance, and the travel fee is retrieved together with the route retrieved based on the posted information. Then, each searched route is presented to the route presentation unit. For this reason, not only the route searched based on the posting information but also the route searched based on each travel cost can be presented. Thereby, the route searched based on a plurality of elements is presented, and the route selection range is expanded.
- the route search apparatus is provided in a center that collects the posted information and distributes information related to the searched route based on the collected posted information to an information terminal.
- the search of the route based on the posted information and the distribution of the information indicating the searched route are performed at the center collecting the posted information.
- the speed of the route search process can be increased through the enhancement of the function of the center.
- the route search device is provided in an information terminal including a route presenter that collects the posted information and presents information related to the searched route based on the collected posted information. .
- the route search device is provided in an information terminal owned by a user as a mobile body or an information terminal mounted on a vehicle as a mobile body. For this reason, the information terminal can search for a route alone as long as it obtains post information. As a result, the route search and the presentation of information regarding the route are performed at such an information terminal, and the route search and presentation are performed with a higher degree of freedom.
- the information terminal includes a navigation system mounted on a vehicle constituting the mobile body, and a multi-functional telephone device capable of executing an application that performs route guidance based on information on the route to be distributed. Consists of at least one of them.
- a navigation system mounted on a vehicle is often used to guide a travel route of the vehicle, and is widely used as a system that can be mounted on a vehicle.
- navigation systems are already equipped with functions such as a map database and application programs necessary for route search. Therefore, by providing a search device for the route in such a navigation system, the route searched based on the posted information can be effectively used.
- various functions can be added to a multi-function telephone device such as a smartphone by installing an application program.
- a multi-function telephone device such as a smartphone by installing an application program.
- recent multi-function telephone devices often have route guidance functions, and the use of such guidance functions is becoming widespread. Therefore, by providing such a multi-function telephone device with a search device for the route, the usage mode of the search device for the route can be expanded.
- FIG. 1 is a block diagram showing a schematic configuration of a center and a navigation system to which a route search device and a route search method are applied according to a first embodiment of a route search device and a route search method according to the present invention.
- the figure which shows an example of the term prescribed
- FIG. 6 is a flowchart showing an example of a recommendation level setting procedure and a route search procedure by the route search device and the route search method according to the embodiment.
- the center 100 to which the route search apparatus and route search method of the present embodiment is applied includes word-of-mouth information and Twitter (registration) posted by a plurality of users through information terminals such as smartphones and personal computers.
- the post information includes, for example, position information such as latitude / longitude information indicating the latitude / longitude of the post position.
- the data aggregating unit 110 acquires a plurality of pieces of post information posted by a plurality of users via a network such as the Internet. Then, the data aggregation unit 110 outputs the acquired plurality of pieces of post information to the data analysis unit 120 that analyzes the post information.
- the data analysis unit 120 includes an information selection unit 121 that selects post information including a predetermined term from a plurality of post information acquired by the data aggregation unit 110.
- the data analysis unit 120 includes an information management unit 122 that manages the posting information for each predetermined area based on the posting position. Further, the data analysis unit 120 includes a level setting unit 123 that sets the recommendation level of each area managed by the information management unit 122.
- the information selection unit 121 selects post information including a term indicating a positive meaning from the plurality of pieces of post information.
- the information selection unit 121 of the present embodiment has a selection map 121a in which terms indicating positive meanings regarding a plurality of posting targets are defined in advance.
- the selection map 121a is associated with a plurality of attributes such as road conditions, stores, scenery, and weather and positive terms related to the attributes.
- a term indicating a positive meaning for example, a term indicating an expectation regarding a specific store or place is defined, such as “ ⁇ Nau”.
- terms indicating positive impressions such as “happy” and “fun” are defined as terms indicating a positive meaning.
- an emoticon or an exclamation mark is defined as a term indicating a positive meaning.
- the information selection unit 121 of the present embodiment selects only post information posted within, for example, 30 minutes, and discards other post information in order to enable route search based on post information with high real-time properties. To do.
- the information management unit 122 identifies the posting position of each posting information based on the position information included in the posting information selected by the information selection unit 121.
- the information management unit 122 specifies at which position of the map indicated by the map data registered in the map database 130 the posted information is posted.
- the information management part 122 specifies the area
- the information management part 122 prescribes
- the level setting unit 123 sets the recommendation level of each area based on the selection result of the posted information in the area set as the management unit.
- the level setting unit 123 sets the recommendation level based on the number of pieces of posted information per unit area included in each region defined as a management unit. As a result, an area where the number of times posting information indicating affirmative content is relatively high is set to a higher level. On the contrary, an area where the number of posted information showing affirmative content is relatively small or an area where the posted information is not posted is set to a lower level.
- the included level is also set to a low recommendation level.
- the level setting unit 123 outputs information on the set recommendation level to the route search unit 140 and the communication processing unit 150.
- the route search unit 140 uses the analysis result of the data analysis unit 120 as a basis. Then, the route of the moving body is searched.
- the route search unit 140 according to the present embodiment is a route in which the moving body can reach the destination as the route of the moving body, and the recommendation level set by the level setting unit 123 is lower than a predetermined level. Search for one or more routes that pass through the higher region. It should be noted that the route having a higher recommendation level is a route that includes more posting positions of the selected posting information.
- the route search unit 140 calculates the travel cost of the searched route based on at least one of the travel time, the travel distance, and the travel fee that is a fee required for the travel. Then, the route search unit 140 performs a process of excluding a route whose travel cost is equal to or greater than a predetermined threshold from among the searched one or more routes. In this way, the route search unit 140 selects a route to be distributed to the navigation system 200.
- the route search unit 140 lowers the recommendation level by one step, and then searches for a route based on the recommendation level and calculates a travel cost.
- the route search unit 140 searches for a route having the shortest time among routes that can reach the destination from the current location of the navigation system 200. Similarly, the route search unit 140 searches the route that can reach the destination from the current location of the navigation system 200 for the route that pays the lowest price on a toll road or the like.
- the route search unit 140 outputs information indicating the selected one or more routes to the communication processing unit 150.
- the communication processing unit 150 distributes the information indicating the route to the navigation system 200 that requested the distribution. In addition, the communication processing unit 150 distributes information indicating the recommendation level for each region input from the level setting unit 123 to the navigation system 200 that has requested distribution.
- communication between the center 100 and the navigation system 200 is performed via, for example, a VPN (Virtual Private Network) 10 and a base station (BS: Base Station) 20 provided by a communication carrier.
- VPN Virtual Private Network
- BS Base Station
- the navigation system 200 includes a communication processing unit 220 that processes communication with the center 100 performed via the wireless unit 210.
- the communication processing unit 220 transmits information indicating the destination and the latitude / longitude information of the navigation system 200 acquired by the GPS 222 to the center 100 when the destination is set by the user to the selection unit 221. As a result, the communication processing unit 220 makes a distribution request for information about the route to the center 100. In addition, when an operation for requesting guidance of the surrounding situation is performed on the selection unit 221, the communication processing unit 220 transmits information indicating an area including the requested surrounding situation to the center 100.
- the communication processing unit 220 when information about the route is distributed from the center 100 as a response to the distribution request, the communication processing unit 220 outputs the information about the route to the duplicate display processing unit 230 that performs the display processing of the information. Similarly, when information regarding the recommendation level in the requested area is distributed from the center 100 as a response to the distribution request, the communication processing unit 220 outputs the information regarding the recommendation level to the overlap display processing unit 230.
- the overlap display processing unit 230 When the information regarding the route is input from the communication processing unit 220, the overlap display processing unit 230 performs a process of superimposing and displaying the route on the map. That is, the overlapping display processing unit 230 displays a map image from the current location of the vehicle on which the navigation system 200 is mounted to the destination on the display unit 250 through reference to the map data registered in the map database 240. Then, the overlap display processing unit 230 displays the route searched by the route search unit 140 in a superimposed manner on the map image. As a result, one or more routes searched by the route search unit 140 are image guided to the user of the navigation system 200.
- the route presentation unit is configured by the display unit 250.
- the overlap display processing unit 230 performs a process of superimposing and displaying the recommendation level on the map.
- the overlap display processing unit 230 of the present embodiment displays each area on the map by color according to the recommendation level.
- the recommended level for each area set by the level setting unit 123 is image-guided to the user of the navigation system 200.
- terms for selecting post information useful for generating a recommended route from post information including an unspecified number of post contents are defined in advance.
- the posted information of the present embodiment is information indicating comments regarding a specific point or store posted by a plurality of users who own the information terminal.
- the post information includes post information, post content, and post location information indicating the post position by latitude and longitude.
- Post information I1 to I6 including the term to be indicated is selected.
- a route is generated that passes through an area where the posting information of the selected posting information is high, in other words, an area where the posting amount of the posting information per area is large.
- a region ⁇ 1 including the posting position of one piece of posting information Ia is formed.
- the region ⁇ 2 including the posting positions of the plurality of posting information Ib and Ic, the region ⁇ 3 including the posting positions of the plurality of posting information Id to If, and the region including the posting positions of the plurality of posting information Ig to Ij. ⁇ 4 is formed.
- the recommended levels of the areas ⁇ 1 to ⁇ 4 are set.
- the recommendation level is set to five levels of “0” to “4”.
- the level “4” is set in the region ⁇ 4 having the largest number of posted information per unit area among the regions ⁇ 1 to ⁇ 4.
- levels “1”, “2”, and “3” are set in the regions ⁇ 1, ⁇ 2, and ⁇ 3, respectively.
- the display unit 250 has regions ⁇ 1 to ⁇ 4 that are highly recommended in areas around the vehicle on which the navigation system 200 is mounted and areas requested by the user in different colors. Visible on the map.
- a route search request to the destination for example, a route passing through the regions ⁇ 3 and ⁇ 4 set as the levels “3” and “4” out of the regions ⁇ 1 to ⁇ 4 in which the recommendation level is set is searched.
- the route to the destination for which the route search request has been made is searched using the travel time, travel distance, and travel fee elements as travel costs. Through this travel cost search, a route with the minimum travel cost is searched.
- the display unit 250 displays routes R1 to R3 from the current location Ps to the destination Pg of the vehicle on which the navigation system 200 having the display unit 250 is mounted.
- the route R1 is a route searched for based on the recommendation level (happy route).
- the route R2 is a route that is searched for the travel time as the travel cost, and is a route that is searched so that the travel time from the current location Ps to the destination Pg is the shortest time.
- the route R3 is a route that is searched with the moving distance as the moving cost, and is a route that is searched so that the moving distance from the current location Ps to the destination Pg is the shortest distance.
- step S100 when a plurality of pieces of posted information are collected in the center 100 in step S100, for example, posted information within the past 30 minutes is selected from the collected posted information (step S101). .
- post information including a term indicating the positive content illustrated in FIG. 2 is selected (step S102).
- the posting point of the posting information is specified based on the latitude / longitude information included in the selected posting information, that is, the position information (step S103).
- a recommended region where a highly recommended store or point exists is set (step S104).
- the recommended area for example, an area within a few kilometers in diameter centered on one posting position is set as the recommended area. Further, when it is determined that a plurality of posting points exist in an area within a diameter of several kilometers, for example, an area within a diameter of several kilometers from the center of gravity of each posting point is set as a recommended area.
- a positive rate is calculated according to the number of post information included in each recommended area (step S105).
- the recommendation level of each region is set based on this positive rate (step S106).
- Such a positive rate is calculated based on, for example, the number of pieces of posting information including positive terms included per unit area of each region.
- step S107 image data for color-coding each region on the map screen is generated.
- the image data generated in this way is distributed to the requested navigation system 200 or the like (step S108).
- the navigation system 200 displays the images illustrated in FIGS. 5 and 6 on the display unit 250 by performing a display process on the received image data. Thereby, the user who visually recognizes the display unit 250 can grasp the recommendation level of each area by visually recognizing each area classified by color.
- the center 100 when there is a route search request from the navigation system 200, the center 100 specifies the current location of the vehicle on which the navigation system 200 is mounted based on the latitude / longitude information transmitted from the navigation system 200 (step S109: YES). ). Further, the center 100 identifies the destination for which a search request has been made.
- Step S110 a route that passes through the recommended region that exists between the current location and the destination and that has a recommendation level of a certain level or more is searched for. Further, the travel time, the travel distance, and the fee required for passing the toll road are set as travel costs, and a route that minimizes each travel cost is searched (step S111).
- a route whose moving cost is equal to or higher than a certain cost is excluded from the candidate routes (step S112). Then, route information indicating each route based on the recommendation level not excluded and each movement cost is distributed to the requested navigation system 200 or the like (step S113).
- the navigation system 200 displays the image illustrated in FIG. 7 on the display unit 250 by executing the display process of the received route information.
- Post information including a specified term was selected from a plurality of post information posted by the user. And the route of the vehicle was searched based on the selected posting information. For this reason, while searching for routes based on innumerable post information, a route reflecting a point or the like indicated by a defined term is searched. As a result, post information posted by the user is effectively used, and route guidance is diversified.
- the posting position of the posting information was specified based on the position information included in the posting information selected based on the prescribed term. Then, a route including a relatively large number of specified posting positions was searched. Therefore, a route that specifically reflects the defined term is searched. As a result, there are innumerable routes from the starting point to the destination, and even if there are a plurality of selected pieces of posted information, it is possible to search for a route according to the defined term.
- Posting information was managed for each predetermined area based on the posting position. Further, the recommendation level of each area is set based on the selection result of one or more pieces of posted information included in the managed area. For this reason, even if there are innumerable posting information and there are innumerable posting positions, such posting information is managed in units of a predetermined area, and the amount of information to be processed when setting the recommendation level and searching for routes Will be reduced. As a result, the processing load for setting the recommendation level and searching for the route is reduced, and the setting of the recommendation level and searching for the route are performed smoothly.
- post information used for route search post information including at least a positive term regarding a specific point or store was selected. For this reason, the route which can be guided to the point which can be recommended to many users will be searched. As a result, only extremely useful post information is selected from countless post information, and a route that can be guided to the target indicated by the selected post information is searched.
- the display unit 250 constituting the route presentation unit is provided in the navigation system 200 to which the route search result is distributed. Accordingly, the route search result by the center 100 is presented to the user through the display unit 250.
- the route search device is provided in the center 100 that collects post information and distributes information on the route searched based on the collected post information to the information terminal. As a result, it becomes possible to perform a route search based on a plurality of pieces of posted information at the center 100 collectively. Therefore, information regarding the route is distributed to more information terminals, and as a result, the route searched based on the posted information is provided to more users. Further, according to this, the speed of the route search process can be increased through the enhancement of the function of the center 100.
- the information terminal is configured by a navigation system 200 mounted on a vehicle constituting a mobile object. Therefore, it is possible to search for a route based on the posted information in a navigation system that is widely used in vehicles as a route search system. As a result, the route searched based on the posted information is effectively used.
- FIGS. 9 to 12 a second embodiment of the route search device and route search method according to the present invention will be described with reference to FIGS. 9 to 12, focusing on the differences from the first embodiment.
- the basic configuration of the route search apparatus and route search method according to the present embodiment is the same as that of the first embodiment, and FIGS. 9 to 12 are the same as those of the first embodiment. Substantially the same elements are denoted by the same reference numerals, and redundant descriptions are omitted.
- the information management unit 122 divides an area where posted information is posted into a plurality of areas in a matrix of several kilometers, for example.
- the information management unit 122 manages post information in units of areas partitioned in a matrix.
- the information management part 122 sets the recommendation level of each area
- the area ⁇ 1 set with the recommendation level “0” because no posting information has been posted is assigned colorless as it does not need to be highlighted.
- the regions ⁇ 2 to ⁇ 8 set with the recommendation level “1”, the regions ⁇ 9 to ⁇ 12 set with the recommendation level “2”, and the regions ⁇ 13 and ⁇ 14 set with the recommendation level “3” A different display color is assigned.
- the display unit 250 displays an image in which a plurality of regions partitioned in a matrix are color-coded. Is displayed.
- routes ⁇ 2 to ⁇ 14 having a recommendation level of “1” or more are route candidates. Selected as Thus, as shown in FIG. 12, the route R4 is searched as a route based on the recommendation level, and the searched route R4 is presented on the display unit 250.
- the effects (1) to (10) can be obtained, and the following effects can be further obtained. .
- Posting information was managed in units of areas partitioned in a matrix. Also, the recommendation level is set based on the amount of post information included per area to be managed. As a result, the division processing of the posting information management unit and the management of each divided area are more easily performed. This also allows the posting information to be managed flexibly according to the defined area.
- the third embodiment of the route search apparatus and route search method according to the present invention is a diagram corresponding to FIG. 1 with a focus on differences from the first embodiment. Explanation will be made with reference to FIG. Note that the basic configuration of the route search apparatus and route search method according to this embodiment is the same as that of the first embodiment, and FIG. 13 is substantially the same as that of the first embodiment. The same elements are denoted by the same reference numerals, and duplicate descriptions are omitted.
- the navigation system 200A of the present embodiment further includes a data analysis unit 260 and a route search unit 270 having functions similar to the data analysis unit 120 and the route search unit 140 of FIG.
- the data analysis unit 260 includes an information selection unit 261, a selection map 261a, an information management unit 262, and a level setting unit 263 having functions similar to those of the information selection unit 121, the selection map 121a, the information management unit 122, and the level setting unit 123. It is constituted by.
- the posted information is distributed by a center or the like that manages the posted information
- the posted information is received by the wireless unit 210 that constitutes the navigation system 200A.
- the communication processing unit 220 acquires the post information received by the wireless unit 210 and outputs the acquired post information to the data analysis unit 260.
- the information selection unit 261 constituting the data analysis unit 260 selects, for example, post information whose post time is within the past 30 minutes and includes positive contents from the input post information.
- the information selection unit 261 outputs the selected posting information to the information management unit 262.
- the information management unit 262 specifies the posting position of the input posting information based on the latitude and longitude information included in each posting information. In addition, the information management unit 262 defines each area as a post information management unit.
- the level setting unit 263 sets the recommendation level of each area as a management unit. Then, the level setting unit 263 outputs information indicating the recommended level of the posted information of each set area to the route search unit 270. Further, the level setting unit 263 outputs information indicating the recommended level of the posted information of each set area to the overlapping display processing unit 230.
- the route search unit 270 specifies the current location of the vehicle on which the navigation system 200A is mounted based on the latitude / longitude information acquired from the GPS 222. Then, the route search unit 270 searches the route from the current location of the specified vehicle to the destination based on information indicating the recommendation level of the posted information in each region. In addition, the route search unit 270 searches for a route that minimizes each element of travel time, travel distance, and fee required for travel, for example. The route search unit 270 outputs information indicating each searched route to the duplicate display processing unit 230.
- the overlap display processing unit 230 displays map data indicating an area around the vehicle on which the navigation system 200A is mounted or an area requested by the user as a map. Obtain from the database 240. Then, the overlapping display processing unit 230 generates an image for superimposing and displaying the recommendation level of the posted information in each area on the map image indicated in the acquired map data. Thus, the overlap display processing unit 230 outputs the generated image to the display unit 250. As a result, an image indicating the recommendation level of each region input from the overlap display processing unit 230 is displayed on the display unit 250.
- the overlap display processing unit 230 acquires map data indicating an area including the current location and the destination of the vehicle on which the navigation system 200A is mounted from the map database 240. Then, the overlap display processing unit 230 generates an image for displaying information indicating each route in a superimposed manner on the map image indicated in the acquired map data. Thus, the overlap display processing unit 230 outputs the generated image to the display unit 250. As a result, an image indicating each route input from the overlap display processing unit 230 is displayed on the display unit 250.
- the effects (1) to (8) and (10) can be obtained, and instead of the above (9).
- the following effects can be obtained.
- the route search device is provided in a navigation system 200A including a route presentation unit that collects the posted information and presents information related to the searched route based on the collected posted information. For this reason, the navigation system 200A can search for a route alone as long as the post information is acquired. Thus, the route search and the presentation of information regarding the route are performed in the navigation system 200A, and the route search and the presentation are performed with a higher degree of freedom.
- each said embodiment can also be implemented with the following forms.
- the recommendation level is set to 5 levels. Not limited to this, the recommendation level may be 4 levels or less or 6 levels or more.
- the navigation system 200 (including 200A) has the map database 240. Not only this but the navigation system 200 may be set as the structure which does not have the map database 240.
- FIG. the center 100 generates image data that superimposes and displays information indicating the recommendation level and the route, and distributes the generated image data to the navigation system 200.
- the navigation system 200 displays the image data distributed from the center 100 on the display unit 250. According to this, the navigation system 200 only needs to perform the process of displaying the image data distributed from the center 100, and can more easily guide the recommendation level and the route.
- the center 100 delivers information indicating the recommendation level in addition to information indicating the route search result. Not limited to this, the center 100 may distribute only information indicating a route search result.
- the recommendation level is set based on the number of pieces of post information including positive contents. Not limited to this, when post information containing positive contents and post information containing negative contents are mixed in a specific area, the recommendation level depends on the number of post information containing negative contents. It may be lowered.
- the latitude / longitude information in which the posting information is posted is used as the position information.
- information indicating this term may be used as the position information.
- the positive rate calculated based on the number of posted information per unit area is converted to the recommendation level.
- This recommendation level was used as a display target and used for route search.
- the positive rate may be displayed and used for route search without being converted into the recommendation level.
- the recommendation level (positive rate) is set based on the number of pieces of post information indicating positive contents.
- the recommendation level may be set according to the content of the posted information.
- the recommendation level is set according to the type of the emoticon or exclamation mark included in the posted information.
- the recommendation level is set according to the degree indicated by these terms.
- the areas where the recommendation level is set are displayed by color.
- the area where the recommendation level is set may be blinked according to the recommendation level. According to this, for example, an area with a high recommendation level is displayed in a blinking manner, while an area with a low recommendation level is constantly lit and displayed. Further, for example, when all the recommended level levels are displayed in a blinking manner, the blinking cycle is increased or decreased according to the recommended level.
- the searched route and the recommendation level of each area are displayed. Not only this but only the searched route may be displayed.
- a route that exists between the current location of the vehicle and the set destination and that passes through a recommended region having a recommendation level of a certain level or higher is searched.
- the present invention is not limited to this, and a route that passes through all recommended regions existing between the current location of the vehicle and the set destination may be searched.
- the travel time, the travel distance, and the travel fee are all used as the travel cost. Not limited to this, at least one of the travel time, travel distance, and travel fee may be used as the travel cost.
- the movement cost may be a fuel consumption amount, a power consumption amount, or the like.
- the route (R2, R3) searched based on the travel cost is presented separately from the route searched based on the posted information (R1 in FIG. 7). Not limited to this, as illustrated in FIG. 14, the route (R2, R3) searched based on the travel cost may not be presented, and only the route R1 searched based on the posted information may be presented.
- the recommendation level is lowered by one level. Then, based on the recommendation level lowered by one step, route search and movement cost calculation were performed.
- the present invention is not limited to this, and when the route does not exist because the route is excluded based on the movement cost, the route with the lowest movement cost may be selected from the routes to be excluded.
- post information within 30 minutes after posting is selected as post information used for route search.
- post information used for route search post information exceeding 30 minutes after posting may be selected. Note that the closer the posting time of posting information to be selected is to the selection timing, the higher the real-time property of the posting content indicated by such posting information.
- post information including a term indicating a positive content is selected as post information used for route search.
- post information including a term indicating a negative content such that the situation at a specific point does not meet the user's expectation, such as a certain point being congested, may be selected.
- region which shows the posting position of the posting information containing the term which shows a negative content may be shown.
- a route that avoids such an area may be searched.
- the posting information is managed and the recommendation level is set with an area within a range of about 10 km in diameter as a unit.
- the posting information is managed and the recommendation level is set in units of regions partitioned in a matrix.
- post information is managed in units of addresses such as city names and street names, and a recommendation level may be set. According to this, the setting of the recommendation level reflecting the regional characteristics and the search for the route are performed.
- post information is managed in units of areas with common place names, and post information with high probability of common post contents is managed in units of areas.
- the unit for managing the posting information can be changed as appropriate, such as an area set by the user.
- post information is selected based on whether or not the terms registered in the selection maps 121a and 261a are included.
- post information may be selected based on whether or not a specific term set by the user is included.
- the route presentation unit is configured by the display units 250 and 350.
- the route presenting unit is not limited to this, and may be configured by a voice device that provides voice guidance of a recommendation level setting result and a route search result.
- a route presentation unit may be configured by the display units 250 and 350 and the audio device.
- road conditions, stores, scenery, and weather are used as attributes used for selection of posted information.
- the present invention is not limited to this, and at least one of road conditions, stores, scenery, and weather may be used as an attribute used for selecting posted information.
- the attribute used for selecting the posted information may be any one as long as it indicates the type of element that reflects the characteristics of a certain region, and can be changed as appropriate.
- the posting information is selected and the recommendation level is set as needed.
- a recommendation level unique to each area may be set in advance based on information such as “easy to live in” and “road is empty”. Then, the recommendation level may be calculated based on the posting information selected when the recommendation level is displayed or the route is searched, and the calculated recommendation level may be added to the recommendation level specific to each area.
- a route that passes through a set area based on the posted information is searched. Not only this but the point specified based on contribution information may be set as a destination, and the route to this destination may be searched.
- the information indicating the recommendation level and route distributed from the center 100 is displayed on the navigation system 200 mounted on the vehicle.
- information indicating the recommendation level and route distributed from the center 100 is displayed on the multi-function telephone device 300 such as a smartphone.
- the multi-function telephone device 300 includes a radio unit 210, a communication processing unit 220, a selection unit 221, a radio unit 310 having a function according to the GPS 222, a communication processing unit 320, a selection unit 321, and a GPS 322 of the navigation system 200. Is done.
- the multi-function telephone device 300 includes a duplication display processing unit 230, a map database 240, and a duplication display processing unit 330 having a function similar to the display unit 250, a map database 340, and a display unit 350. This also achieves the effects (1) to (10) and increases the versatility of the route search device and route search method.
- the user can carry the multifunctional telephone device 300 and get on and off the vehicle, or install the multifunctional telephone device 300 on the vehicle. That is, the mobile body is not limited to a vehicle, and may be a person who owns an information terminal such as the multifunction telephone device 300.
- information indicating the recommendation level and route distributed from the center 100 is displayed on the navigation system 200A mounted on the vehicle.
- the multifunction telephone device 300A such as a smartphone.
- the multi-function telephone device 300A includes a radio unit 210, a communication processing unit 220, a selection unit 221, a radio unit 310 having a function according to the GPS 222, a communication processing unit 320, a selection unit 321, and a GPS 322 of the navigation system 200A. Is done.
- the multi-function telephone device 300A includes an overlapping display processing unit 230, a map database 240, and an overlapping display processing unit 330 having a function according to the display unit 250, a map database 340, and a display unit 350 of the navigation system 200A. Composed. Furthermore, the multi-function telephone device 300A includes a data analysis unit 360 and a route search unit 370 having functions according to the data analysis unit 260 and the route search unit 270 of the navigation system 200A. Note that the duplicate display processing unit 330, the data analysis unit 360, the route search unit 370, and the like may be configured by various application programs that can be installed in the multi-function telephone device 300. This also achieves the effects (1) to (10) and increases the versatility of the route search device and route search method.
- Level setting unit 270 ... Route search unit, 300, 300A ... Multifunction Telephone equipment, 310 ... Wireless unit, 320 ... Communication processing unit, 321 ... Selection unit, 322 ... GPS, 330 ... Duplicate display Processing section, 340 ... map database, 350 ... display unit, 360 ... data analysis section, 370 ... route search unit.
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Abstract
Description
以下、本発明にかかるルートの検索装置及びルートの検索方法を具体化した第1の実施の形態について図1~図8を参照して説明する。
次に、本発明にかかるルートの検索装置及びルートの検索方法の第2の実施の形態を、第1の実施の形態との相違点を中心に、図9~図12を参照して説明する。なお、本実施の形態にかかるルートの検索装置及びルートの検索方法も、その基本的な構成は第1の実施の形態と同等であり、図9~図12においても第1の実施の形態と実質的に同一の要素にはそれぞれ同一の符号を付して示し、重複する説明は割愛する。
次に、本発明にかかるルートの検索装置及びルートの検索方法の第3の実施の形態を、第1の実施の形態との相違点を中心に、先の図1に対応する図である図13を参照して説明する。なお、本実施の形態にかかるルートの検索装置及びルートの検索方法も、その基本的な構成は第1の実施の形態と同等であり、図13においても第1の実施の形態と実質的に同一の要素にはそれぞれ同一の符号を付して示し、重複する説明は割愛する。
なお、上記各実施の形態は、以下のような形態をもって実施することもできる。
Claims (15)
- 移動体のルートを検索するルートの検索装置であって、
ユーザにより投稿される複数の投稿情報の中から、規定された用語を含む投稿情報を選定する情報選定部と、
前記選定された投稿情報に基づいて前記移動体のルートを検索するルート検索部と、を備える
ことを特徴とするルートの検索装置。 - 前記ルート検索部は、前記選定された投稿情報が示す特定の地点を経由するルートを検索する
請求項1に記載のルートの検索装置。 - 前記投稿情報には、その投稿位置を示す位置情報が含まれ、
前記ルート検索部は、前記選定された投稿情報の位置情報に基づきその投稿位置を特定し、該特定した投稿位置が相対的に多く含まれるルートを検索する
請求項1または2に記載のルートの検索装置。 - 請求項1~3のいずれか一項に記載のルートの検索装置において、
前記投稿情報には、その投稿位置を示す位置情報が含まれ、
前記投稿情報をその投稿位置に基づき所定の領域毎に管理する情報管理部と、
該管理される領域に包含される1乃至複数の投稿情報の選定結果に基づいて各領域の推奨度レベルを設定するレベル設定部と、を
さらに備えることを特徴とするルートの検索装置。 - 前記情報管理部は、マトリクス状に区画された領域、予め規定された範囲の領域、及び投稿位置の地名のいずれか一つを単位として前記投稿情報を管理し、
前記レベル設定部は、前記単位とされた領域当たりに含まれる投稿情報の情報量に基づいて推奨度レベルの設定を行う
請求項4に記載のルートの検索装置。 - 前記ルート検索部は、移動時間及び移動距離及び移動に必要な料金である移動料金の少なくとも1つを移動コストとして前記検索したルートの移動コストを求めるとともに、前記求めた移動コストが規定した閾値以上となるルートを除外する処理を行う
請求項1~5のいずれか一項に記載のルートの検索装置。 - 前記情報選定部は、少なくとも特定の地点もしくは店舗に関する肯定的な用語を含む投稿情報を選定する
請求項1~6のいずれか一項に記載のルートの検索装置。 - 請求項1~7のいずれか一項に記載のルートの検索装置において、
前記検索したルートを提示するルート提示部をさらに備える
ことを特徴とするルートの検索装置。 - 前記ルート検索部は、移動時間及び移動距離及び移動に必要な料金である移動料金の少なくとも1つを移動コストとしてルートをさらに求め、前記ルート提示部は、該求められたルートと前記選定された投稿情報に基づき検索されたルートとを提示する
請求項8に記載のルートの検索装置。 - 請求項1~9のいずれか一項に記載のルートの検索装置において、
当該ルートの検索装置は、前記投稿情報を収集するとともに該収集した投稿情報に基づき検索したルートに関する情報を情報端末に配信するセンターに設けられてなる
ことを特徴とするルートの検索装置。 - 当該ルートの検索装置は、前記投稿情報を収集するとともに該収集した投稿情報に基づき検索したルートに関する情報を提示するルート提示部を備えた情報端末に設けられてなる
請求項1~9のいずれか一項に記載のルートの検索装置。 - 前記情報端末が、前記移動体を構成する車両に搭載されたナビゲーションシステム、及び前記配信されるルートに関する情報に基づきルート案内を行うアプリケーションを実行可能な多機能電話機器のうちの少なくとも1つからなる
請求項10または11に記載のルートの検索装置。 - 移動体のルートを検索するルートの検索方法であって、
ユーザにより投稿される複数の投稿情報の中から、予め規定された用語を含む投稿情報を選定する選定ステップと、
前記選定された投稿情報に基づいて前記移動体のルートを検索する検索ステップと、を
含むことを特徴とするルートの検索方法。 - 前記検索ステップでは、前記選定した投稿情報が示す特定の地点を経由するルートを検索する
請求項13に記載のルートの検索方法。 - 請求項13または14に記載のルートの検索方法において、
前記投稿情報には、その投稿位置を示す位置情報が含まれ、
前記検索ステップでは、前記選定した投稿情報の位置情報に基づきその投稿位置を特定し、該特定した投稿位置が相対的に多く含まれるルートを検索する
ことを特徴とするルートの検索方法。
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US14/408,442 US9448078B2 (en) | 2012-06-21 | 2012-06-21 | Route search device and route search method |
CN201280074026.XA CN104471351B (zh) | 2012-06-21 | 2012-06-21 | 路径检索装置及路径检索方法 |
PCT/JP2012/065915 WO2013190689A1 (ja) | 2012-06-21 | 2012-06-21 | ルートの検索装置及びルートの検索方法 |
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- 2012-06-21 JP JP2014521175A patent/JP5971336B2/ja not_active Expired - Fee Related
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JPWO2015162949A1 (ja) * | 2014-04-21 | 2017-04-13 | ソニー株式会社 | 通信システム、制御方法、および記憶媒体 |
EP3136055A4 (en) * | 2014-04-21 | 2018-04-11 | Sony Corporation | Communication system, control method, and storage medium |
US10488208B2 (en) | 2014-04-21 | 2019-11-26 | Sony Corporation | Communication system, control method, and storage medium |
JP2017049220A (ja) * | 2015-09-04 | 2017-03-09 | パイオニア株式会社 | 表示装置、表示方法、検索装置、端末装置、及び、プログラム |
JP2017146707A (ja) * | 2016-02-16 | 2017-08-24 | 日本電信電話株式会社 | 道路特性理解装置、方法、及びプログラム |
JP2019211917A (ja) * | 2018-06-01 | 2019-12-12 | 東芝テック株式会社 | 誘導装置及びプログラム |
Also Published As
Publication number | Publication date |
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JPWO2013190689A1 (ja) | 2016-02-08 |
JP5971336B2 (ja) | 2016-08-17 |
US20150226564A1 (en) | 2015-08-13 |
CN104471351B (zh) | 2017-08-25 |
CN104471351A (zh) | 2015-03-25 |
EP2865994A1 (en) | 2015-04-29 |
US9448078B2 (en) | 2016-09-20 |
EP2865994A4 (en) | 2015-07-01 |
EP2865994B1 (en) | 2020-01-15 |
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