WO2021199307A1 - 情報表示制御装置、情報表示制御方法、及び、プログラムが記録された記録媒体 - Google Patents

情報表示制御装置、情報表示制御方法、及び、プログラムが記録された記録媒体 Download PDF

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Publication number
WO2021199307A1
WO2021199307A1 PCT/JP2020/014877 JP2020014877W WO2021199307A1 WO 2021199307 A1 WO2021199307 A1 WO 2021199307A1 JP 2020014877 W JP2020014877 W JP 2020014877W WO 2021199307 A1 WO2021199307 A1 WO 2021199307A1
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WO
WIPO (PCT)
Prior art keywords
section
vehicle information
display control
time
point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/014877
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English (en)
French (fr)
Japanese (ja)
Inventor
奈々 十文字
千里 菅原
和樹 稲垣
木村　洋介
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to US17/910,316 priority Critical patent/US20230131426A1/en
Priority to JP2022513014A priority patent/JP7416217B2/ja
Priority to PCT/JP2020/014877 priority patent/WO2021199307A1/ja
Publication of WO2021199307A1 publication Critical patent/WO2021199307A1/ja
Anticipated expiration legal-status Critical
Priority to JP2023219763A priority patent/JP7697506B2/ja
Ceased legal-status Critical Current

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Classifications

    • 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
    • G01C21/3492—Special cost functions, i.e. other than distance or default speed limit of road segments employing speed data or traffic data, e.g. real-time or historical
    • 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
    • G01C21/3691—Retrieval, searching and output of information related to real-time traffic, weather, or environmental conditions
    • G01C21/3694—Output thereof on a road map
    • 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
    • G01C21/3602—Input other than that of destination using image analysis, e.g. detection of road signs, lanes, buildings, real preceding vehicles using a camera
    • 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
    • G01C21/3626—Details of the output of route guidance instructions
    • G01C21/3647—Guidance involving output of stored or live camera images or video streams
    • 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
    • G01C21/3667—Display of a road map
    • G01C21/367—Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker
    • 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
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3804—Creation or updating of map data
    • G01C21/3807—Creation or updating of map data characterised by the type of data
    • G01C21/3815—Road data
    • 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
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3804—Creation or updating of map data
    • G01C21/3833—Creation or updating of map data characterised by the source of data
    • G01C21/3841—Data obtained from two or more sources, e.g. probe vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
    • G08G1/13—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station the indicator being in the form of a map

Definitions

  • This disclosure relates to an information display control device, an information display control method, and a program.
  • a system that collects road images taken by vehicles and monitors the road traffic record and condition is known.
  • the road conditions change from moment to moment.
  • the road becomes impassable as time passes after the disaster occurs due to flooding of the road, collapse of fallen trees and utility poles, landslides, and the like.
  • the operator of the road management organization needs to confirm up to what point the road has been used in order to grasp the road condition in detail.
  • the traffic record at the current time or the specified time is generally displayed. For this reason, as described above, when the road conditions change from moment to moment, in order to confirm to what point the traffic record has been achieved, the operator repeatedly specifies the time on the map and the road. It was necessary to investigate the changes in the traffic record for each section of. Therefore, when the sections of the road to be managed are enormous, it is difficult to promptly grasp the time when there was a traffic record for each section.
  • One of the purposes of the present disclosure is an information display control device, an information display control method, and a program that can solve the above-mentioned problems and quickly grasp the time when there is a traffic record at each point after a disaster occurs. Is to provide.
  • the information display control device includes an acquisition means for acquiring vehicle information including a point in each section on the road through which each of the plurality of vehicles has passed, and the time when the vehicle traveled at the point, and the road. For each of the above sections, the traffic record calculated based on the vehicle information including the points on the section differs depending on the elapsed time from the latest time included in the vehicle information including the points on the section.
  • a control means for generating the map shown in the embodiment and displaying the map on the display means is provided.
  • vehicle information including a point in each section on the road through which each of the plurality of vehicles has passed and the time when the vehicle traveled at the point is acquired, and each section on the road is obtained.
  • the traffic record calculated based on the vehicle information including the points on the section is shown in a different manner according to the elapsed time from the latest time included in the vehicle information including the points on the section.
  • a map is generated, and the map is displayed on the display means.
  • the recording medium in one aspect of the present disclosure acquires vehicle information including a point in each section on the road through which each of the plurality of vehicles has passed and the time when the vehicle traveled at the point, and the recording medium in each section on the road.
  • the effect of this disclosure is that it is possible to quickly grasp the time when there was a traffic record at each point, such as after a disaster.
  • FIG. 1 is a schematic view showing an outline of the information display system 10 according to the first embodiment.
  • the information display system 10 includes a plurality of image pickup devices 20_1, 20_2, ... 20_N (N is a natural number) (hereinafter, collectively referred to as an image pickup device 20), an information display control device 30, and a plurality of vehicles 40_1. , 40_2, ... 40_N (N is a natural number) (hereinafter collectively referred to as vehicle 40), and display device 50.
  • the image pickup devices 20_1, 20_2, ... 20_N are mounted on vehicles 40_1, 40_2, ... 40_N belonging to a road management organization such as a local government or a road management company, respectively. Further, in the information display system 10, the information display control device 30 and the image pickup devices 20_1, 20_2, ... 20_N are connected so as to be able to communicate with each other via, for example, a communication network.
  • the information display control device 30 and the display device 50 are arranged, for example, in the above-mentioned road management organization. Further, the information display control device 30 may be arranged in a place other than the above-mentioned road management organization. In this case, the information display control device 30 may be realized by a cloud computing system.
  • the image pickup device 20 may be, for example, a drive recorder mounted on a vehicle. Further, the image pickup device 20 may be mounted on another moving body such as a bicycle or a drone, or a person may carry the image pickup device 20 with him / her.
  • FIG. 2 is a block diagram showing an example of the configuration of the information display system 10 according to the first embodiment.
  • the imaging unit 21 photographs the surroundings of the vehicle 40.
  • the imaging unit 21 photographs the surroundings of the vehicle 40 at predetermined intervals while the vehicle 40 is traveling on the road.
  • the image obtained by photographing may or may not include an image of a surrounding road such as the front of the vehicle 40. Further, the image obtained by photographing is an image of the surroundings of the moving body in the case of a moving body in general, and an image of the surroundings of a person in the case of a person.
  • the time acquisition unit 22 acquires the time at the point where the vehicle 40 has passed.
  • the time acquisition unit 22 outputs the shooting time to the imaging unit 21.
  • the point acquisition unit 23 acquires the point where the vehicle 40 is passing.
  • the point acquisition unit 23 outputs the point where the vehicle 40 has passed to the image pickup unit 21.
  • the point acquisition unit 23 is, for example, a GPS (Global Positioning System) receiver, and may be provided in the imaging unit 21 or may be a separate body.
  • the transmission unit 25 acquires vehicle information from the storage unit 24 and transmits it to the information display control device 30 via the communication network.
  • the transmission unit 25 may transmit vehicle information including the image each time an image is taken, and transmits vehicle information including each of one or more images taken in each period at predetermined periods.
  • the information display control device 30 includes a vehicle information acquisition unit 31, a storage unit 32, and a display control unit 33.
  • the vehicle information acquisition unit 31 is an embodiment of the acquisition unit in the present disclosure.
  • the display control unit 33 is an embodiment of the control unit in the present disclosure.
  • a part or all of the components of the information display control device 30 may be realized by the cloud computing system.
  • the vehicle information acquisition unit 31 and the storage unit 32 may be arranged on the cloud, and the display control unit 33 may be arranged in the road management organization.
  • the vehicle information acquisition unit 31 acquires vehicle information transmitted from the image pickup device 20 of the vehicle 40.
  • FIG. 3 is an example of vehicle information in the first embodiment.
  • the vehicle information includes the vehicle ID, the point where the vehicle has passed, the time when the vehicle has passed, and the image taken at that time.
  • the vehicle information acquisition unit 31 determines the vehicle information instead of setting the time when the image pickup device 20 has passed the point in the vehicle information. May be set as the time of the vehicle information.
  • the vehicle information stores, for example, a vehicle ID "1", a time “13:00", a point "A1-1", and an image "image I31" taken at that time.
  • the vehicle information acquisition unit 31 stores the vehicle information in the storage unit 32.
  • the storage unit 32 stores the vehicle information acquired by the vehicle information acquisition unit 31. Further, the map is stored in the storage unit 32 in advance.
  • the map is, for example, a map of an area managed by a road management organization.
  • the display control unit 33 determines the traffic record for each road section having a predetermined length, for example, as will be described later. Further, the display control unit 33 may determine the traffic record for each point included in the vehicle information received from each vehicle 40. Further, the display control unit 33 may determine the traffic record for each mesh in which the area on the map is divided into a mesh shape based on the points (latitude / longitude) included in the vehicle information. The display control unit 33 shows the traffic record on the map by superimposing a predetermined figure such as a rectangle or a predetermined line segment such as a thick line on the road on the map, for example. The display control unit 33 may superimpose a predetermined figure or a predetermined line segment on a position along the road other than on the road, as long as the traffic record can be shown on the map.
  • the display control unit 33 changes the mode of displaying the traffic record on the map according to the elapsed time from the time of the latest vehicle information.
  • the display control unit 33 determines, for example, at least one of the above-mentioned size, color, and transparency of the predetermined figure, or the thickness, color of the predetermined line segment, which indicates the traffic record. And change at least one of the transparency.
  • the display control unit 33 deletes the predetermined figure or the predetermined line segment.
  • the display control unit 33 may change the predetermined figure or line segment to a different figure or line segment.
  • the display device 50 is, for example, a display.
  • the display device 50 displays a map or an image showing the traffic record under the control of the display control unit 33.
  • FIG. 4 is a flowchart showing the traffic record display process in the first embodiment.
  • the traffic record display process may be automatically executed by the information display control device 30 at an arbitrary timing after the occurrence of a disaster, or may be executed in response to an operator's instruction.
  • the storage unit 32 stores the vehicle information as shown in FIG. 3 acquired by the vehicle information acquisition unit 31. Further, it is assumed that the storage unit 32 stores a map as shown in FIG. FIG. 5 is an example of a map displayed on the display device 50 in the first embodiment. Further, here, it is assumed that each road in the map to be managed is divided into sections having a predetermined length (for example, several tens of meters or several hundred meters). The points "A1-1", “A2_1", ... In FIG. 3 are points included in the sections "A1" and "A2", respectively.
  • the display control unit 33 of the information display control device 30 selects a section to be processed (hereinafter, also referred to as a target section) from each section on the road on the map (S101).
  • the display control unit 33 acquires vehicle information of the target section in the target time zone (hereinafter, also referred to as the target time zone) for displaying the traffic record from the storage unit 32 (S102).
  • the target time zone is, for example, a time zone from the disaster occurrence time to the current time specified by the operator.
  • the vehicle information in the target time zone is vehicle information in which the time included in the vehicle information is included in the target time zone.
  • the vehicle information of the target section is the vehicle information in which the point included in the vehicle information is included in the target section.
  • the display control unit 33 may acquire the vehicle information of the vehicle 40 that has moved at a certain speed or higher among the vehicle information of the target section in the point target time zone.
  • the vehicle 40 that has moved at a certain speed or higher can be extracted based on the vehicle ID, the point, and the time included in the vehicle information.
  • step S102 If vehicle information cannot be acquired in step S102 (step S103 / NO), the display control unit 33 determines that there is no traffic record in the target section in the target time zone, and proceeds to the process of step S105.
  • step S103 If vehicle information can be acquired in step S103 (step S103 / YES), the display control unit 33 determines that there is a traffic record at the target point in the target time zone.
  • the display control unit 33 shows the traffic record at the target point in the target section on the map (S104).
  • the display control unit 33 shows the traffic record in a different manner according to the elapsed time from the latest time included in the vehicle information of the target section.
  • the display control unit 33 generates a map showing the traffic record by repeating the process from step S101 for all the sections of the road on the map (step S105).
  • the display control unit 33 causes the display device 50 to display a map (generated map) showing the traffic record (step S106).
  • 6 to 8 are examples of maps displayed on the display device 50 in the first embodiment.
  • FIG. 6 is an example in which the traffic record display process is executed at the current time of 15:30.
  • the display control unit 33 determines that there is a traffic record in the target time zone in the sections A1, A2, and A3 based on the vehicle information of FIG.
  • the latest times included in the vehicle information of the sections A1, A2, and A3 are 13:00, 14:00, and 15:00, respectively.
  • the display control unit 33 has sections A1, A2, and A3 in which 2.5 hours, 1.5 hours, and 0.5 hours have passed from the latest time included in the vehicle information, respectively.
  • the display device 50 displays the maps showing the traffic results of the above-mentioned traffic records with thick lines of 50%, 25%, and 0%, respectively.
  • the display control unit 33 deletes the thick line superimposed on the section A1 in which 4.5 hours have passed from the latest time included in the vehicle information, and 3.5 hours and 0.5 hours.
  • the traffic records of the sections A2 and A3 over which the time has passed are generated by thick lines having a transmittance of 75% and 0%, respectively, and displayed on the display device 50.
  • FIG. 8 is another example when the traffic record display process is executed at the current time of 17:30.
  • the display control unit 33 deletes (does not superimpose) the thick line, but instead displays the traffic record other than the thick line. May be indicated by.
  • the traffic record before the second passage of time is shown by a thick line, but the elapsed time depends on the thickness (size), color, and transparency. If it can be expressed, a line segment or a figure other than the thick line may be used. Further, although the traffic record after the lapse of the second time is shown by a broken line, a line segment or a figure other than the broken line may be used if it is different from that before the lapse of the second time. (Image display processing) Next, the image display process in the information display system 10 will be described with reference to FIG.
  • the display control unit 33 causes the display device 50 to display an image included in the vehicle information related to the designated section (step S202).
  • FIG. 10 is an example of image display in the first embodiment.
  • the display control unit 33 displays the images I31 to I33 in chronological order, for example, as shown in FIG. In FIG. 10, images I31 to I33 are displayed on the map as thumbnails.
  • the display control unit 33 may cause the display device 50 to enlarge and display the image. Further, the image of the designated section may be an enlarged image instead of the thumbnail.
  • FIG. 11 is another example of image display in the first embodiment.
  • the traffic records of the three different display modes are shown adjacent to each other.
  • the traffic records of sections B1 and B2 which have passed 0.5 hours and 3.75 hours from the latest time included in the vehicle information, respectively, have a transmittance of 0%, respectively. And, it is shown by a thick line of 75%.
  • the traffic record of section B3 after 4.75 hours has passed is shown by a broken line.
  • FIG. 12 is a block diagram showing an example of the configuration of the information display control device 1 in the second embodiment.
  • the information display control device 1 includes an acquisition unit 2 and a control unit 3.
  • the acquisition unit 2 acquires vehicle information including a point in each section on the road through which each of the plurality of vehicles has passed, and a time when the vehicle traveled at the point.
  • the control unit 3 calculates the traffic record based on the vehicle information including the points on the section, and the elapsed time from the latest time included in the vehicle information including the points on the section. Maps shown in different modes are generated according to the above, and are displayed on a display device (not shown).
  • the information display control device 1 acquires vehicle information including the points in each section on the road through which each of the plurality of vehicles has passed and the time when the vehicle traveled at the points, and for each section on the road. , Generates a map showing the traffic record calculated based on the vehicle information including the points on the section in different modes according to the elapsed time from the latest time included in the vehicle information including the points on the section. This is because the display is displayed on a display device (not shown).
  • each component of each device indicates a block of functional units. Some or all of the components of each device may be realized by any combination of the computer 500 and the program.
  • FIG. 13 is a block diagram showing an example of the hardware configuration of the computer 500.
  • the computer 500 includes, for example, a CPU (Central Processing Unit) 501, a ROM (Read Only Memory) 502, a RAM (Random Access Memory) 503, a program 504, a storage device 505, a drive device 507, and a communication interface 508. , Input device 509, output device 510, input / output interface 511, and bus 512.
  • a CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • Program 504 includes instructions for realizing each function of each device.
  • the program 504 is stored in the ROM 502, the RAM 503, and the storage device 505 in advance.
  • the CPU 501 realizes each function of each device by executing the instructions included in the program 504.
  • the CPU 501 of the information display control device 30 executes the instructions included in the program 504 to realize the functions of the vehicle information acquisition unit 31 and the display control unit 33.
  • the RAM 503 of the information display control device 30 may store the data of the storage unit 32.
  • the drive device 507 reads and writes the recording medium 506.
  • the communication interface 508 provides an interface with the communication network.
  • the input device 509 is, for example, a mouse, a keyboard, or the like, and receives input of information from an operator or the like.
  • the output device 510 is, for example, a display, and outputs (displays) information to an operator or the like.
  • the input / output interface 511 provides an interface with peripheral devices. Bus 512 connects each component of these hardware.
  • the program 504 may be supplied to the CPU 501 via the communication network, or may be stored in the recording medium 506 in advance, read by the drive device 507, and supplied to the CPU 501.
  • each device may be realized by any combination of computers and programs that are different for each component.
  • a plurality of components included in each device may be realized by any combination of one computer and a program.
  • each component of each device may be realized by a general-purpose or dedicated circuitry including a processor or the like, or a combination thereof. These circuits may be composed of a single chip or a plurality of chips connected via a bus. A part or all of each component of each device may be realized by a combination of the above-mentioned circuit or the like and a program.
  • each component of each device when a part or all of each component of each device is realized by a plurality of computers, circuits, etc., the plurality of computers, circuits, etc. may be centrally arranged or distributed.
  • the information display control device 30 may be arranged in the vehicle 40, or may be arranged in a place different from the vehicle 40 and connected to the image pickup device 20 via a communication network.
  • Information display control device 2 Acquisition unit 3
  • Control unit 10 Information display system 20 Imaging device 21 Imaging unit 22 Time acquisition unit 23 Point acquisition unit 24, 32 Storage unit 31 Vehicle information acquisition unit 33
  • Display control unit 40 Vehicle 500 Computer 501 CPU 502 ROM 503 RAM 504 Program 505 Storage device 506 Recording medium 507 Drive device 508 Communication interface 509 Input device 510 Output device 511 Input / output interface 512 Bus

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Biodiversity & Conservation Biology (AREA)
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PCT/JP2020/014877 2020-03-31 2020-03-31 情報表示制御装置、情報表示制御方法、及び、プログラムが記録された記録媒体 Ceased WO2021199307A1 (ja)

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Application Number Priority Date Filing Date Title
US17/910,316 US20230131426A1 (en) 2020-03-31 2020-03-31 Information display control device, information display control method, and recording medium on which program is recorded
JP2022513014A JP7416217B2 (ja) 2020-03-31 2020-03-31 情報表示制御装置、情報表示方法、及び、プログラム
PCT/JP2020/014877 WO2021199307A1 (ja) 2020-03-31 2020-03-31 情報表示制御装置、情報表示制御方法、及び、プログラムが記録された記録媒体
JP2023219763A JP7697506B2 (ja) 2020-03-31 2023-12-26 情報表示制御装置、情報表示方法、及び、プログラム

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