JP2019105470A - Information display device, information display system, information display method and information display program - Google Patents

Abstract

To provide an information display device, an information display system, an information display method and an information display program which can confirm the traffic flow on the road in the travelling direction even when it is not provided as congestion information.SOLUTION: An information display device 1 includes an own vehicle information specification unit 21, an information acquisition unit 24 and a display control unit 25. The own vehicle information specification unit 21 specifies the current position and the travelling direction of an own vehicle. The information acquisition unit 24 acquires video information recorded by another vehicle in a section where a vehicle which is travelling on a travelling road in the travelling direction from the current position is travelling so as to avoid an obstacle. The display control unit 25 displays the video information acquired by the information acquisition unit 24 by associating it with a map.SELECTED DRAWING: Figure 4

Description

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

  A traffic information system is proposed in which a plurality of vehicles traveling on a road are used as probe cars, information is uploaded from these vehicles to a server, and the uploaded information is used by other vehicles. In this traffic information system, in addition to the position information of the vehicle, the image information captured by the probe car can be used by other vehicles.

  For example, the information display device described in Patent Document 1 captures a road condition with a camera attached to a vehicle, and transmits it to a server device together with data on the current position and velocity of the vehicle. The server device stores data received from each vehicle in time series to construct a database. When the information display device accesses the server device and selects a desired vehicle, the server device causes the information display device to display the current video information, the past video information, and the average speed transition captured by the camera of the selected vehicle. The figure shown is sent. The information display device acquires and displays video information captured by another vehicle at a congested point, based on traffic jam information provided by, for example, VICS (registered trademark) (road traffic information system).

JP 2003-85690A

  Although the information display device described in Patent Document 1 acquires and displays video information of a point where traffic is congested, it is not determined that traffic is congested, but the flow of traffic is deteriorated due to, for example, a sudden cause Information on a section is often not provided as congestion information from a server device, and it may not be possible to display information on the section. Since the information display apparatus can not display information on such a section, the information for checking the flow of traffic on the road in the traveling direction is scarce.

  The present invention has been made in view of such circumstances, and an object thereof is an information display device capable of confirming the flow of traffic on a road in the traveling direction even if not provided as traffic jam information, Abstract: An information display system, an information display method and an information display program are provided.

  In the information display apparatus according to an aspect of the present invention, the vehicle information specification unit for specifying the current position and the traveling direction of the vehicle, and the vehicle traveling on the traveling path corresponding to the traveling direction from the current position avoid an obstacle And a display control unit for displaying the video information acquired by the information acquisition unit in association with the map.

  Another aspect of the present invention is an information display method. In the information display method, a vehicle information identification step of identifying a current position and a traveling direction of the vehicle, and a vehicle traveling on a traveling path in the traveling direction from the current position travels so as to avoid an obstacle. And a display control step of displaying the video information acquired by the information acquisition step in association with a map.

  According to the present invention, it is possible to confirm the flow of traffic on a road in the traveling direction even if not provided as congestion information.

FIG. 1 is a schematic view for explaining an entire configuration of an information display system including an information display device according to a first embodiment. FIG. 2 is a block diagram showing a configuration of a server apparatus according to Embodiment 1. It is a schematic diagram for demonstrating extraction of the information regarding the area which the vehicle is drive | working so that an obstacle may be avoided. FIG. 1 is a block diagram showing a configuration of an information display device according to Embodiment 1. It is a schematic diagram which shows the example of the display image in a display part. It is a schematic diagram which shows another example of the display image in a display part. It is a flowchart which shows the procedure of extraction processing of the area information in a server apparatus. It is a flowchart which shows the procedure of the display process in an information display apparatus. FIG. 13 is a schematic view for explaining the determination in the avoiding travel determining unit according to the second embodiment. FIG. 18 is a schematic view for explaining extraction of video information in the information display system according to the third embodiment. It is a flowchart which shows the procedure of the extraction process of the area information in the server apparatus which concerns on Embodiment 3. FIG. It is a schematic diagram which shows the example of the display image in a display part. FIG. 18 is a schematic view for explaining extraction of video information in the information display system according to the fourth embodiment.

  Hereinafter, the present invention will be described based on preferred embodiments with reference to FIGS. 1 to 13. The same or equivalent constituent elements and members shown in the respective drawings are denoted by the same reference numerals, and redundant description will be omitted as appropriate. In addition, dimensions of members in each drawing are shown appropriately enlarged or reduced for easy understanding. In each drawing, a part of members which are not important in describing the embodiment is omitted and displayed.

(Embodiment 1)
FIG. 1 is a schematic diagram for explaining the entire configuration of an information display system 100 including the information display device 1 according to the first embodiment. An example of the information display device 1 is a so-called car navigation device used in a vehicle, and is communicably connected to the server device 7 via the communication network 7a. The server device 7 collects information on the position and traveling speed of the other vehicle 8 as vehicle information from a plurality of other vehicles 8, and determines whether the other vehicle 8 travels so as to avoid an obstacle. , Identify a section in which the vehicle is traveling so as to avoid an obstacle. There are two types of patterns in which the vehicle travels so as to avoid an obstacle: steering avoidance in which the obstacle is avoided by steering while maintaining travel, and braking avoidance in which the vehicle temporarily stops in front of the obstacle. After braking avoidance, the vehicle steers to avoid obstacles and resumes traveling. Further, the server device 7 collects and stores, from a plurality of other vehicles 8, image information shot by the other vehicles 8, position information of a shooting location, and shooting date and time.

  In the other vehicle 8 as a probe car, a camera for photographing the front is attached to the front of the other vehicle 8 or in the vehicle compartment. The camera attached to the other vehicle 8 may be a drive recorder, and is preferably located above the line of sight of the driver in order to look over the flow of traffic from above. The vehicle information provided by the other vehicle 8 to the server device 7 is not limited to the information on the position and the traveling speed, and may include accelerator information and brake information. The vehicle information that the other vehicle 8 provides to the server device 7 may be acceleration information based on a position and an acceleration sensor.

  The information display device 1 acquires from the server device 7 information about a section in which a vehicle traveling on a traveling path in the traveling direction from the current position of the own vehicle 6 travels so as to avoid an obstacle, and acquired information Is displayed in association with the map. The information display device 1 acquires map information of a corresponding section as information on a section in which the vehicle travels so as to avoid an obstacle, and displays the map information on the map so as to be distinguishable from other travel paths.

  In addition, the information display device 1 acquires, from the server device 7, the image information captured by the other vehicle 8 traveling in the corresponding section as the information on the section in which the vehicle travels so as to avoid the obstacle. Display the video information on the map. The information display device 1 may be a portable device that can be used in a vehicle, in addition to the device mounted on the vehicle. The vehicle on which the information display device 1 is mounted may be a probe car for providing information to the server device 7. In this case, an information providing device (not shown) for providing information to the server device 7 is used. It should be installed.

  FIG. 2 is a block diagram showing the configuration of the server device 7 according to the first embodiment. The server device 7 includes a communication unit 71, a storage unit 72, and a control unit 73. The communication unit 71 is connected to the communication network 7a in accordance with a wired communication or a wireless communication standard such as WiFi (registered trademark), and communicates with the vehicle 6 and the other vehicle 8 via the communication network 7a. The communication unit 71 receives information such as the position and traveling speed of the other vehicle 8 and the video information captured by the other vehicle 8. Further, the communication unit 71 receives an information request signal from the information display device 1 mounted on the host vehicle 6 via the communication network 7a, and information on a section in which the vehicle travels so as to avoid an obstacle. Is sent to the information display device 1.

  The storage unit 72 of the server device 7 is a storage device configured of, for example, a solid state drive (SSD), a hard disk, etc., the video information received from the other vehicle 8 by the communication unit 71, and the position and traveling speed of the other vehicle 8 And stores vehicle information such as information. The storage unit 72 also stores map information. The map information stored in the storage unit 72 is used when the control unit 73 extracts information regarding a section in which the vehicle is traveling so as to avoid an obstacle in response to the information request signal from the vehicle 6 Be

  The control unit 73 includes a vehicle information acquisition unit 73a, an avoidance travel determination unit 73b, a section identification unit 73c, and an information extraction unit 73d. The control unit 73 includes, for example, a CPU, and executes the processing by the above-described units in accordance with a computer program stored in a non-volatile memory (not shown) and various information used for the computer program.

  The vehicle information acquisition unit 73a of the control unit 73 communicates information such as the position and traveling speed as vehicle information of the other vehicle 8 from the other vehicle 8 which is a probe car, and video information captured by the other vehicle 8 It is acquired via the unit 71 and stored in the storage unit 72. The storage unit 72 stores vehicle information and image information transmitted from the other vehicle 8 as needed from time to time, but leaves information for a predetermined time to limit storage capacity, and deletes the oldest information. Update to new information.

  The avoidance traveling determination unit 73b determines whether the other vehicle 8 travels to avoid an obstacle ahead based on the information such as the position of the other vehicle 8 stored in the storage unit 72, the traveling speed, and the map information. Determine if The avoidance traveling determination unit 73b calculates, on the basis of the map information, the straight traveling direction at the position of the other vehicle 8 for the traveling path on which the other vehicle 8 is traveling. The avoidance travel determination unit 73b calculates the amount of movement of the other vehicle 8 in the left and right direction with respect to the straight ahead direction. The avoidance travel determination unit 73b causes the other vehicle 8 to avoid the obstacle when the amount of movement of the other vehicle 8 in the left-right direction is equal to or more than a predetermined threshold (for example, a value of about 1 m to 5 m). It is determined that the vehicle has traveled, and if it is less than the threshold value, it is determined that the other vehicle 8 is not traveling to avoid an obstacle.

  Based on such a determination, the avoidance driving determination unit 73b estimates that the other vehicle 8 has avoided steering. When the traveling direction of the other vehicle 8 is included in the information from the other vehicle 8, the avoidance traveling determination unit 73b determines that the deviation amount between the straight direction and the traveling direction on the traveling road is a predetermined threshold (for example, the angle It may be determined whether or not it is more than a few degrees.

  Further, the avoidance traveling determination unit 73b calculates the movement amount of the other vehicle 8 based on the information of the position of the other vehicle 8 uploaded from time to time from the other vehicle 8. When the movement amount of the other vehicle 8 is less than a predetermined threshold (for example, a value of about 0.1 m to 1 m), the avoidance traveling determination unit 73b estimates that the other vehicle 8 is in a state of braking avoidance. It is determined that the other vehicle 8 has traveled to avoid an obstacle. When the movement amount of the other vehicle 8 is equal to or greater than a predetermined threshold value, the avoidance traveling determination unit 73b determines that the other vehicle 8 does not travel to avoid the obstacle.

  The avoidance traveling determination unit 73b determines, every moment, whether or not the other vehicle 8 travels so as to avoid the obstacle, adds the determination result to the vehicle information, and stores the result in the storage unit 72. Moreover, in the other vehicle 8, it is determined whether or not the vehicle traveled to avoid the obstacle by performing the above-described determination processing, and the determination result may be uploaded to the server device 7. In this case, the determination process in the avoidance driving determination unit 73b is unnecessary.

  The section identifying unit 73c recognizes the road existing in the map information stored in the storage unit 72 by dividing it into sections divided by a predetermined distance (for example, 50 m), and the vehicle avoids the obstacle for each section The judgment result as to whether or not the vehicle traveled is acquired. The section identifying unit 73c, based on the position of the other vehicle 8 stored as the vehicle information in the storage unit 72 and the determination result, for example, the obstacle for the vehicle traveling within a predetermined time (for example, 3 minutes) from the present for each section The result of determination as to whether or not the vehicle has traveled to avoid is acquired.

  In addition, the section identifying unit 73c causes the plurality of vehicles traveling within a predetermined time (for example, 3 minutes) from the current to each section to be obstacles based on the position of the other vehicle 8 stored in the storage unit 72 as vehicle information and the determination result. You may make it acquire the determination result of whether to drive | work so that a thing might be avoided. In this case, it is desirable that a plurality of vehicles travel so as to avoid the same obstacle.

  The section identifying unit 73 c identifies the section in which the other vehicle 8 travels so as to avoid the obstacle, and stores the identified section in the storage unit 72 in association with the map information.

  Based on the information request signal from the own vehicle 6, the information extraction unit 73d is a section in which a vehicle traveling on a traveling path in the traveling direction from the current position of the own vehicle 6 travels so as to avoid an obstacle. Extract information on the section. The information extraction unit 73 d extracts a section in which the vehicle is traveling so as to avoid an obstacle and information on the section on the side of the lane where the vehicle 6 travels, in the traveling path in the traveling direction of the vehicle 6.

  FIG. 3 is a schematic diagram for explaining extraction of information on a section in which the vehicle travels so as to avoid an obstacle. The information extraction unit 73d identifies a traveling path in the traveling direction from the current position of the vehicle 6 based on the map information stored in the storage unit 72, and the section identifying unit 73c causes the vehicle to detect an obstacle for the traveling path. The section specified as the section which is traveling so as to avoid is extracted. As shown in FIG. 3, the information extracting unit 73 d extracts a section of D1 and D2 in the traveling direction from the current position of the vehicle 6 as a section in which the vehicle travels so as to avoid an obstacle. As described later, the information request signal from the vehicle 6 includes information on the current position and the traveling direction of the vehicle 6.

  The information extraction unit 73d extracts, for example, map information of a corresponding section as information on a section in which the vehicle travels so as to avoid an obstacle. In addition, the information extraction unit 73d, as information on a section in which the vehicle travels so as to avoid an obstacle, video information captured by the other vehicle 8 traveling on the same lane side as the host vehicle 6 in the corresponding section Extract. The information extraction unit 73d transmits the extracted information to the vehicle 6 that is the transmission source of the information request signal via the communication unit 71.

  FIG. 4 is a block diagram showing the configuration of the information display device 1 according to the first embodiment. The information display device 1 includes a GPS receiver 11, a storage unit 12, a communication unit 13, a display unit 14, an operation unit 15, and a control unit 20. Further, the information display device 1 may have a voice output unit (not shown) for providing guidance to the user by voice.

  The GPS receiver 11 receives a GPS signal from a GPS satellite, and outputs the received GPS signal to the control unit 20. The storage unit 12 is a storage device configured of, for example, an SSD, a hard disk, a CD-ROM, a DVD, etc., and stores map information. The map information may be stored in the storage unit 12 and output to the control unit 20. Alternatively, the map information may be communicated from the communication unit 13 to an information providing server (not shown) and acquired from the information providing server.

  The communication unit 13 connects to the communication network 7a in accordance with a wireless communication standard such as WiFi, for example, and communicates with the server device 7 via the communication network 7a. The communication unit 13 transmits an information request signal to the server device 7 and receives, as a response to the information request signal from the server device 7, information on a section in which the vehicle is traveling so as to avoid an obstacle.

  The display unit 14 is configured of a liquid crystal display, an organic EL (Electro Luminescence) display, an LED (Light Emitting Diode) display, and the like. The display unit 14 displays map information, information such as the current position of the vehicle, a route, and information on an operation based on an instruction from the control unit 20.

  The operation unit 15 includes switches such as operation keys, arrow keys, and a touch panel. For example, when the display unit 14 is a display such as a liquid crystal, the operation unit 15 may be a touch panel incorporated in the display. In addition, the operation unit 15 may receive a voice input operation by voice, or may receive a gesture input operation using an imaging unit or an optical sensor.

  The control unit 20 includes a vehicle information identification unit 21, a map information acquisition unit 22, an operation reception unit 23, an information acquisition unit 24, and a display control unit 25. The control unit 20 is constituted by, for example, a CPU, and executes the processing by the above-described units according to a computer program stored in a non-volatile memory (not shown) and various information used for the computer program.

  In the control unit 20, the vehicle information identification unit 21 calculates the current position (latitude, longitude) of the vehicle based on the signal acquired from the GPS receiver 11 that receives the signal from the GPS satellite, and further calculates the current position. Calculate the direction of travel based on the change. The vehicle information identification unit 21 outputs the current position and the traveling direction of the vehicle acquired by calculation to the map information acquisition unit 22 and the information acquisition unit 24. The map information acquisition unit 22 acquires map information from the storage unit 12. The map information acquisition unit 22 outputs the map information acquired from the storage unit 12 and the current position and the traveling direction of the own vehicle acquired from the own vehicle information identification unit 21 to the display control unit 25.

  The operation accepting unit 23 accepts input information by the user's operation on the operation unit 15. The operation accepting unit 23 accepts, as input information, information such as a display scale change related to a map set by the user, a destination at the time of setting a route, and information such as a route setting condition. In addition, the operation accepting unit 23 accepts, as input information, the setting condition of the user regarding the information acquired from the server device 7. The operation reception unit 23 outputs the received input information to the information acquisition unit 24 and the display control unit 25. The operation accepting unit 23 may accept an operation or the like by the user's voice acquired via a voice input such as a microphone.

  The information acquisition unit 24 generates an information request signal, outputs it to the communication unit 13 and transmits it to the server device 7 from the communication unit 13, and as a response from the server device 7, the vehicle travels so as to avoid an obstacle. The communication unit 13 receives and acquires information related to the section in question. The information request signal includes the current position and the traveling direction of the vehicle 6 input from the vehicle information identification unit 21. The information request signal may include a selection command for selecting information to be acquired.

  The selection command is, for example, a command for acquiring only map information of a corresponding section as information on a section where a vehicle is traveling to avoid an obstacle, or traveling in the corresponding section in addition to the map information. A command or the like is used to acquire video information captured by the other vehicle 8 that is traveling. In the information display system 100, when the information acquired from the server device 7 by the information display device 1 based on the information request signal is predetermined, the information request signal includes the selection command as described above. It does not have to be. The information acquisition unit 24 outputs, to the display control unit 25, information on a section in which the vehicle acquired from the server device 7 is traveling so as to avoid an obstacle. The other vehicle 8 acquiring the image information is not limited to the other vehicle traveling in the corresponding section, but is stopped for waiting for the oncoming vehicle to avoid obstacles, for example, in the corresponding section. Other vehicles are included. In other words, the video information captured by the other vehicle 8 traveling in the corresponding section is acquired.

  The display control unit 25 causes the display unit 14 to display the map information input from the map information acquisition unit 22 and the current position and the traveling direction of the vehicle. The display control unit 25 superimposes the map information etc. displayed on the display unit 14 and displays the information about the section in which the vehicle is traveling so as to avoid the obstacle, which is input from the information acquisition unit 24. FIG. 5 is a schematic view showing an example of a display image on the display unit 14. For example, as shown in FIG. 5, the display control unit 25 displays the display color of a section (shown by a thick solid line) in which the vehicle is traveling so as to avoid an obstacle in a color different from the other sections. Make it possible to recognize that you are traveling to avoid obstacles. Further, the display control unit 25 may generate a display image in which a balloon indicating a section in which the vehicle is traveling to avoid an obstacle is arranged around the corresponding section. As described above, the display control unit 25 causes the display unit 14 to display a section in which the vehicle is traveling so as to avoid an obstacle so as to be distinguishable from other sections.

  FIG. 6 is a schematic view showing another example of the display image on the display unit 14. When the display control unit 25 acquires video information as information of a section in which the vehicle travels so as to avoid an obstacle, as shown in FIG. 6, the video acquired in the vicinity of the corresponding section Display information The video information is displayed, for example, as being pasted in a balloon shape. The position pointed out by the balloon may be any position of the section where the vehicle is traveling so as to avoid the obstacle, but the user is photographed at any position by setting the position where the video information is photographed. You can make it known.

  Further, the display control unit 25 may be capable of displaying the video information on the map displayed on the display unit 14 by the operation of the user. For example, an icon indicating that there is a video displayed on the map is displayed, and the video is displayed by the user operating the icon.

  Next, the operation of the information display system 100 in the first embodiment will be described. FIG. 7 is a flowchart showing the procedure of the process of extracting section information in the server device 7. The control unit 73 of the server device 7 establishes communication connection with the other vehicle 8 which is a probe car via the communication unit 71. The vehicle information acquisition unit 73a acquires, from the other vehicle 8, information such as the position and traveling speed as vehicle information of the other vehicle 8, and video information captured by the other vehicle 8 via the communication unit 71 (see FIG. S1). The vehicle information acquisition unit 73a acquires vehicle information and video information from time to time and stores the information in the storage unit 72.

  The avoidance traveling determination unit 73b determines, based on the information on the position of the other vehicle 8 stored in the storage unit 72, whether each vehicle is traveling so as to avoid an obstacle, and stores the determination result. It stores in the unit 72 (S2). The avoidance travel judging unit 73b updates the judgment result every moment, adds it to the vehicle information, and stores it in the storage unit 72. The section identifying unit 73c acquires the determination result of the avoidance travel determining unit 73b for each vehicle for each section of the road present in the map information (S3).

  The section identifying unit 73c identifies a section in which the vehicle is traveling so as to avoid an obstacle based on the determination result acquired for each section (S4). A section in which one vehicle is traveling to avoid an obstacle as a section in which a vehicle is traveling to avoid an obstacle, and a section in which a plurality of vehicles are traveling to avoid an obstacle Is identified.

  The information extraction unit 73d determines whether the information request signal from the vehicle 6 has been acquired (S5), and when it is determined that the information request signal has not been acquired (S5: NO), the process ends. If the information extraction unit 73 d determines that the information request signal from the own vehicle 6 has been acquired (S 5: YES), the vehicle traveling on the traveling path in the traveling direction from the current position of the own vehicle 6 avoids the obstacle The section which is traveling so as to be extracted is extracted (S6). The information extraction unit 73d further extracts information about the section extracted in step S6 (S7). The information extraction unit 73d transmits the information extracted in step S7 to the host vehicle 6 that is the transmission source of the information request signal via the communication unit 71 (S8), and ends the process. The vehicle 6 referred to here is a vehicle that has transmitted an information request signal to the server device 7.

  FIG. 8 is a flowchart showing a procedure of display processing in the information display device 1. When the power is turned on, the information display device 1 acquires the current position and the traveling direction of the vehicle by the vehicle information identification unit 21 (S11), and acquires map information including the current position by the map information acquisition unit 22. To do (S12). The map information acquisition unit 22 outputs the acquired map information to the display control unit 25, and the display control unit 25 causes the display unit 14 to display the input map information (S13).

  The information acquisition unit 24 generates an information request signal including the current position and the traveling direction of the host vehicle, and transmits the information request signal to the server device 7 via the communication unit 13 (S14). The information acquisition unit 24 acquires, as a response from the server device 7 to the information request signal, information on a section in which the vehicle is traveling so as to avoid an obstacle via the communication unit 13 (S15), and performs display control Output to the unit 25. The display control unit 25 controls the display unit 14 to display information on the section in which the vehicle is traveling so as to avoid the obstacle (S16), and ends the process.

  By the step S16, the display image shown in FIG. 5 or 6 is displayed on the display unit 14. The information display device 1 can display information on a section in which the vehicle is traveling so as to avoid an obstacle on the display unit 14 and can confirm the flow of traffic on the road in the traveling direction. The user can grasp the section in which the vehicle is traveling so as to avoid the obstacle by the image displayed on the display unit 14, and avoid the section in which the flow of traffic is getting worse and take another route. You can take action, such as traveling.

  Also, when the section specifying unit 73c of the server device 7 specifies a section in which a plurality of vehicles are traveling so as to avoid obstacles, the vehicles are avoiding the obstacles by braking avoidance or steering avoidance. The accuracy of the estimation for

  The information display device 1 displays the video information captured by the other vehicle 8 on the display unit 14 as shown in FIG. 6 so that the traffic situation in the section where the vehicle is traveling so as to avoid the obstacle is displayed by video. The user can be made aware. The user can also know the cause of the vehicle traveling so as to avoid the obstacle, etc., by the displayed image.

  If the user sees the video information displayed on the display unit 14, for example, an accident or an on-street parking, a falling object, or a road construction that can not be obtained from road traffic information provided by VICS etc. The cause of the vehicle traveling so as to avoid the obstacle in the section can be known in substantially real time.

Second Embodiment
The avoidance traveling determination unit 73b of the server device 7 according to the second embodiment determines whether or not the other vehicle 8 is traveling so as to avoid the obstacle by changing the lane in which the other vehicle 8 is traveling. . Configurations and operations other than those particularly described below with respect to the information display system 100 according to the second embodiment are the same as the configurations and operations described in the first embodiment, and the description will be omitted for the sake of brevity.

  FIG. 9 is a schematic diagram for explaining the determination in the avoiding travel determining unit 73b according to the second embodiment. In the case where another vehicle 8 avoids an obstacle greatly with a lane change exceeding the lane width L, there is a possibility that traffic congestion will eventually occur, and such a situation occurs by the avoidance traveling determination unit 73b. Estimate that The avoidance traveling determination unit 73b calculates, on the basis of the map information, the straight traveling direction at the position of the other vehicle 8 for the traveling path on which the other vehicle 8 is traveling. The avoidance travel determination unit 73b calculates the amount of movement of the other vehicle 8 in the left and right direction with respect to the straight ahead direction. When the movement amount of the other vehicle 8 in the left and right direction is equal to or greater than the lane width L, the avoidance traveling determination unit 73b determines that the other vehicle 8 travels to avoid an obstacle by changing the lane. . In the case where it is less than the threshold value, the avoidance traveling determination unit 73b determines that the other vehicle 8 is not traveling to avoid an obstacle by changing the lane.

  If the map information stored in the storage unit 72 includes the information related to the lane width L, the avoidance traveling determination unit 73b uses the information related to the lane width. If the lane information is not included in the map information, the avoidance travel judging unit 73b may use a general lane width (for example, about 2 m to 4 m), but the other vehicle 8 is traveling. The lane width value may be changed according to the type of road (general road, expressway, etc.).

  The avoidance driving determination unit 73b determines, every moment, whether or not the other vehicle 8 has traveled to avoid an obstacle by lane change, adds the determination result to the vehicle information, and stores it in the storage unit 72. Further, in the other vehicle 8, by performing the above-described determination processing, it is determined whether or not the vehicle has traveled to avoid an obstacle by lane change, and the determination result is uploaded to the server device 7. In this case, the determination process in the avoidance driving determination unit 73b is not necessary.

  The information display device 1 acquires, as a response from the server device 7 to the information request signal, through the communication unit 13, information about the section traveled by the vehicle to avoid the obstacle by changing the lane through the display Display on the part 14

  The extraction process of the section information in the control unit 73 of the server device 7 is performed in the same procedure as the flowchart shown in FIG. Further, the display process in the control unit 20 of the information display device 1 is performed in the same procedure as the flowchart shown in FIG. The display control unit 25 of the control unit 20 causes the display unit 14 to display information acquired as a response from the server device 7 to the information request signal. The image displayed on the display unit 14 of the information display device 1 is equivalent to the display image shown in FIGS. 5 and 6.

  The information display device 1 displays the information on the section by extracting the section in which the vehicle is traveling so as to avoid the obstacle by changing the lane in the server device 7, thereby avoiding the obstacle. The user can be made aware that the degree is large. The display by the information display device 1 allows the user to take measures such as avoiding a section where the degree of avoidance of the obstacle is large and the flow of traffic is getting worse and traveling on another route.

(Embodiment 3)
The information display device 1 according to the third embodiment further travels along the parallel running road when there is a parallel running road running parallel to the running road where the section where the vehicle is traveling avoiding the obstacle exists. The video information captured by the other vehicle 8 being displayed is displayed. The configurations and operations other than those particularly described below with respect to the information display system 100 according to the third embodiment are the same as the configurations and operations described in the first embodiment and the second embodiment, and descriptions thereof will be omitted for the sake of brevity.

  FIG. 10 is a schematic diagram for explaining extraction of video information in the information display system 100 according to the third embodiment. As shown in FIG. 10, when there is a parallel running path R2 running parallel to a running path R1 in which a section where a vehicle is running to avoid an obstacle exists, the control unit 73 of the server device 7 Extracts the video information captured by the parallel running path R2. The information display device 1 acquires, from the server device 7, video information captured on the traveling route R <b> 1 and the parallel running route R <b> 2 and displays the image information on the display unit 14.

  FIG. 11 is a flowchart of the section information extraction process of the server device 7 according to the third embodiment. The process from step S21 to step S26 in FIG. 11 is equivalent to the process from step S1 to step S6 in FIG. 7, and the description will be omitted for the sake of brevity. The information extraction unit 73d of the control unit 73 extracts the video information captured in the section extracted in step S26, that is, the section in which the vehicle travels so as to avoid the obstacle (S27). The information extraction unit 73d determines whether there is a parallel running road running parallel to the running road where the section where the vehicle is running avoiding the obstacle exists (S28). The information extraction unit 73 d confirms whether or not parallel lanes exist in the map information stored in the storage unit 72.

  If it is determined in step S28 that a parallel running road exists (S28: YES), the information extraction unit 73d extracts video information captured by the other vehicle 8 along the extracted parallel running road (S29). The information extraction unit 73d transmits the information extracted in step S27 and step S29 to the host vehicle 6 that is the transmission source of the information request signal via the communication unit 71 (S30), and ends the process. If it is determined in step S28 that no parallel running road exists (S28: NO), the information extraction unit 73d sends the information extracted in step S27 to the vehicle 6 that is the transmission source of the information request signal via the communication unit 71. It transmits (S30) and ends the processing.

  The display processing in the control unit 20 of the information display device 1 is performed in the same procedure as the flowchart shown in FIG. The display control unit 25 of the control unit 20 causes the display unit 14 to display the video information acquired as a response from the server device 7 to the information request signal. FIG. 12 is a schematic view showing an example of a display image on the display unit 14. The information display device 1 displays on the display unit 14 video information in a section in which the vehicle travels so as to avoid an obstacle, and video information in a parallel running road running parallel to the running path where the section exists.

  The information display device 1 displays the video information in the section where the vehicle is traveling so as to avoid the obstacle and the video information in the parallel running road, thereby avoiding the running road where the traffic flow is deteriorating. The runway can be made known to the user. The user checks the video information in the section where the vehicle is traveling to avoid the obstacle and the video information on the parallel running road, and grasps the section in which the vehicle is traveling to avoid the obstacle It is possible to take measures such as traveling along a parallel running route avoiding a section where the flow of traffic is getting worse.

(Embodiment 4)
The information extracting unit 73d of the server device 7 according to the fourth embodiment extracts a section in which the vehicle is traveling so as to avoid an obstacle, for a section separated from a point at which the vehicle is instructed to stop. The configurations and operations other than those particularly described below with respect to the information display system 100 according to the fourth embodiment are the same as the configurations and operations described in the first to third embodiments, and descriptions thereof will be omitted for the sake of brevity.

  In addition to points where a safe stop is required, such as points where there is a traffic light, points where stop signs are present, toll stations and crossings, points where deceleration is required without stopping at points where stopping of a vehicle is instructed Also includes. FIG. 13 is a schematic diagram for explaining extraction of video information in the information display system 100 according to the fourth embodiment. In the traveling path shown in FIG. 13, the information extraction unit 73 d of the server device 7 does not target the section in which the traffic signal is present, and travels the vehicle so as to avoid the obstacle for the section without the traffic signal. Extract the interval that exists. In addition, the information extraction unit 73d may target a section separated by a predetermined distance (for example, 50 m or more) from a point at which a stop of a vehicle such as a traffic light is instructed.

  In addition, the information extraction unit 73d of the server device 7 does not target a section where it is known that traffic congestion is occurring according to road traffic information such as VICS, but does not target a section where traffic congestion is not generated. A section traveling may be extracted so as to avoid an obstacle.

  The extraction process of the section information in the control unit 73 of the server device 7 is performed in the same procedure as the flowchart shown in FIG. However, in step S6 shown in FIG. 7, the information extraction unit 73d according to the fourth embodiment avoids the obstacle by the vehicle for a section separated from a point at which the vehicle is instructed to stop or a section not congested. Extract the section you are traveling to.

  The display processing in the control unit 20 of the information display device 1 is performed in the same procedure as the flowchart shown in FIG. The display control unit 25 of the control unit 20 causes the display unit 14 to display information acquired as a response from the server device 7 to the information request signal. The displayed information is information on a section in which the vehicle travels so as to avoid an obstacle, for a section separated from a point at which the vehicle is instructed to stop, or a section without congestion. The image displayed on the display unit 14 of the information display device 1 in the fourth embodiment is equivalent to the display image shown in FIGS. 5 and 6.

  The information display device 1 displays, on the display unit 14, information on a section in which the vehicle is traveling so as to avoid an obstacle for a section separated from a point at which the vehicle is instructed to stop or a section without congestion. indicate. As a result, the information display device 1 can provide video information to the user excluding the point where the traffic flow inevitably deteriorates. The user can check the information on the section in which the vehicle is traveling so as to avoid the obstacle, without unnecessarily knowing the information on the point where the flow of traffic inevitably becomes worse.

  In the above-described first to fourth embodiments, an example has been shown in which it is determined whether or not the vehicle is traveling to avoid an obstacle based on the information of the position of the other vehicle 8. When constantly changing steering information, accelerator information, brake information, etc. are provided to the server device 7, it is calculated based on these information whether or not the vehicle is traveling to avoid an obstacle. May be

  In the second embodiment, the information request signal transmitted from the information display device 1 to the server device 7 includes a command to request information on a section where a plurality of vehicles are traveling so as to avoid obstacles, The server device 7 may extract information in accordance with the command. Similarly, in the third embodiment, the information request signal to be transmitted from the information display device 1 to the server device 7 includes a command to request video information photographed on the parallel running path, and the server device 7 transmits an image according to the command. Information may be extracted. Furthermore, similarly, in the fourth embodiment, the information request signal to be transmitted from the information display device 1 to the server device 7 is targeted to a section separated from a point at which the vehicle is instructed to stop or a section not congested. It may include a command for requesting. The server device 7 may extract video information in accordance with the command.

Next, features of the information display device 1, the information display system 100, the information display method, and the information display program according to the first to fourth embodiments will be described.
The information display device 1 includes a vehicle information identification unit 21, an information acquisition unit 24, and a display control unit 25. The vehicle information identification unit 21 identifies the current position and the traveling direction of the vehicle 6. The information acquiring unit 24 acquires image information captured by another vehicle 8 in a section in which a vehicle traveling on a traveling path in the traveling direction from the current position travels so as to avoid an obstacle. The display control unit 25 displays the video information acquired by the information acquisition unit 24 in association with the map. Thereby, the information display device 1 can display information on a section in which the vehicle is traveling so as to avoid an obstacle, and can confirm the flow of traffic on the road in the traveling direction.

  In addition, the information acquisition unit 24 acquires video information captured by another vehicle 8 traveling in a section in which a plurality of vehicles travels so as to avoid an obstacle. As a result, the information display device 1 can make the user know information with high accuracy for the section in which the vehicle travels so as to avoid the obstacle.

  In addition, the information acquisition unit 24 acquires video information captured by another vehicle traveling in a section traveling to avoid an obstacle by changing the lane from the lane in which the vehicle is traveling. Thus, the information display device 1 can make the user aware that the degree of avoidance of the obstacle by the vehicle is large.

  Further, the information acquired by the information acquiring unit 24 is image information captured by another vehicle traveling in a section in which the vehicle travels so as to avoid an obstacle. As a result, the information display device 1 can make the user aware of the traffic situation in the section where the vehicle is traveling so as to avoid the obstacle by means of video.

  In addition, it is assumed that the section where the vehicle travels so as to avoid the obstacle is apart from the point where the stop of the vehicle is instructed on the travel path. As a result, the information display device 1 can provide video information to the user excluding the point where the traffic flow inevitably deteriorates.

  In addition, the section where the vehicle travels so as to avoid the obstacle is a section where no congestion occurs in the travel path. As a result, the information display device 1 can provide video information to the user excluding the point where the traffic flow inevitably deteriorates.

  The information display system 100 includes the above-described information display device 1 and a server device 7 that identifies a section in which a vehicle traveling on a traveling path travels so as to avoid an obstacle. The information acquisition unit 24 acquires, from the server device 7, video information captured by another vehicle 8 in a section in which the vehicle travels so as to avoid an obstacle. Thus, the information display system 100 causes the information display device 1 to display the video information captured by the other vehicle 8 in the section in which the vehicle is traveling so as to avoid the obstacle, and the traffic flow on the road in the traveling direction It can be confirmed.

  The information display method includes a vehicle information identification step, an information acquisition step, and a display control step. The host vehicle information identification step identifies the current position and the traveling direction of the host vehicle 6. The information acquiring step acquires image information captured by another vehicle 8 in a section in which a vehicle traveling on a traveling path in the traveling direction from the current position travels so as to avoid an obstacle. The display control step displays the video information acquired by the information acquisition step in association with the map. According to this information display method, it is possible to display the video information captured by the other vehicle 8 of the section in which the vehicle is traveling to avoid the obstacle, and to confirm the flow of traffic on the road in the traveling direction.

  The information display program causes the computer to execute a vehicle information identification step, an information acquisition step, and a display control step. The host vehicle information identification step identifies the current position and the traveling direction of the host vehicle 6. The information acquiring step acquires image information captured by another vehicle 8 in a section in which a vehicle traveling on a traveling path in the traveling direction from the current position travels so as to avoid an obstacle. The display control step displays the video information acquired by the information acquisition step in association with the map. According to this information display program, it is possible to display the video information captured by the other vehicle 8 of the section in which the vehicle is traveling to avoid the obstacle, and to confirm the flow of traffic on the road in the traveling direction.

  The above has been described based on the embodiment of the present invention. It is understood by those skilled in the art that these embodiments are exemplifications, and that various modifications and alterations are possible within the scope of the present invention, and such variations and modifications are also within the scope of the present invention. It is about to be Accordingly, the descriptions and drawings herein are to be considered as illustrative and not restrictive.

1 Information Display Device 21 Vehicle Information Identification Unit 24 Information Acquisition Unit
25 display control unit, 7 server unit, 100 information display system.

Claims (8)

A vehicle information identification unit for identifying the current position and the traveling direction of the vehicle;
An information acquisition unit that acquires video information captured by another vehicle in a section in which a vehicle traveling on a traveling path in the traveling direction from the current position travels so as to avoid an obstacle;
A display control unit for displaying the video information acquired by the information acquisition unit in association with the map;
An information display apparatus comprising:   The information display according to claim 1, wherein the information acquisition unit acquires video information captured by another vehicle traveling in a section in which a plurality of vehicles travels so as to avoid an obstacle. apparatus.   The information acquisition unit acquires video information captured by another vehicle traveling in a section traveling to avoid an obstacle by changing the lane from the lane in which the vehicle is traveling. The information display device according to claim 1 or 2, characterized in that   The information display device according to any one of claims 1 to 3, wherein the section is separated from a point on the travel path at which a stop of the vehicle is instructed.   The information display device according to any one of claims 1 to 4, wherein the section is a section in which no congestion occurs on the traveling path. An information display device according to any one of claims 1 to 5,
A server device that identifies a section in which a vehicle traveling on a traveling road travels so as to avoid an obstacle;
And the information acquisition unit acquires the video information from the server apparatus. A vehicle information identification step of identifying a current position and a traveling direction of the vehicle;
An information acquisition step of acquiring video information captured by another vehicle in a section in which a vehicle traveling on a traveling path in the traveling direction from the current position travels so as to avoid an obstacle;
A display control step of displaying the video information acquired by the information acquisition step in association with a map;
An information display method comprising: A vehicle information identification step of identifying a current position and a traveling direction of the vehicle;
An information acquisition step of acquiring video information captured by another vehicle in a section in which a vehicle traveling on a traveling path in the traveling direction from the current position travels so as to avoid an obstacle;
A display control step of displaying the video information acquired by the information acquisition step in association with a map;
An information display program that causes a computer to execute the program.

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