WO2015071924A1 - 運転支援画像生成装置、運転支援画像表示装置、運転支援画像表示システム、及び運転支援画像生成プログラム - Google Patents
運転支援画像生成装置、運転支援画像表示装置、運転支援画像表示システム、及び運転支援画像生成プログラム Download PDFInfo
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- WO2015071924A1 WO2015071924A1 PCT/JP2013/006638 JP2013006638W WO2015071924A1 WO 2015071924 A1 WO2015071924 A1 WO 2015071924A1 JP 2013006638 W JP2013006638 W JP 2013006638W WO 2015071924 A1 WO2015071924 A1 WO 2015071924A1
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- Prior art keywords
- image
- driving support
- driving
- driving assistance
- posting
- Prior art date
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- 238000000034 method Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 2
- 238000012015 optical character recognition Methods 0.000 description 2
- 230000004397 blinking Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
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Classifications
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- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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- G—PHYSICS
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
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- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/28—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
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- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
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- 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
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- G06V20/582—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of traffic signs
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/16—Type of output information
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
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- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
Definitions
- the present invention relates to a driving support image generation device, a driving support image display device, a driving support image display system, and a driving support image generation program that support driving by displaying a posting on or around a road on a display unit in the vehicle. It is about.
- Traffic signs indicating information such as speed limit and parking prohibition are posted on the road.
- a vehicle occupant visually recognizes this traffic sign, but it is necessary to shift the line of sight to the traffic sign, and the occupant often misses the traffic sign.
- a passenger overlooks such a traffic sign he / she can obtain an image of the scenery ahead of the road with a camera installed on the vehicle and recognize the traffic sign from the acquired image.
- a technique for displaying on a display unit has been devised (for example, Patent Document 1).
- Patent Document 1 only displays the latest traffic sign image captured by the camera on the display unit. Therefore, in the technique described in Patent Document 1, images of a plurality of traffic signs cannot be confirmed retroactively, which is inconvenient. In particular, when multiple signs are posted continuously while the vehicle is running, the next traffic sign is displayed before confirming the displayed traffic sign because the traffic sign is displayed continuously. It was necessary to check again.
- the present invention provides a driving support image generation device, a driving support image display device, a driving support image display system, and a driving device capable of confirming a posting such as a traffic sign in the past.
- An object is to provide a support image generation program.
- the driving support image generation device of the present invention stores a driving support image storage unit that stores a plurality of driving support images indicating the posting contents of the posted items on the road or around the road, and is stored in the driving support image storage unit.
- An image generation unit that selects one or a plurality of driving support images based on a preset priority order from the driving support images, and generates an image to be displayed on a display unit in the vehicle using the selected driving support images; It is characterized by providing.
- the driving support image display device of the present invention is a driving support image display device that includes a display unit that displays a driving support image indicating the posting content of a posting posted on or around a road, wherein the display unit includes the display unit An image including a driving assistance image indicating the contents of one or a plurality of postings selected based on a preset priority order among a plurality of postings posted on or around the road on which the vehicle has passed is displayed. It is characterized by doing.
- the driving assistance image display system of the present invention is an imaging device that captures images posted on a road or around the road, and a driving that stores a plurality of driving assistance images indicating posted contents of the postings imaged by the imaging device.
- One or a plurality of driving assistance images are selected based on a preset priority order from driving assistance images stored in the assistance image storage unit and the driving assistance image storage unit, and are displayed based on the selected driving assistance images.
- An image generation unit that generates an image
- a driving assistance image display device that includes a display unit in a vehicle that displays the image generated by the image generation unit.
- the driving support image generation program of the present invention is a process for storing the driving support image in a driving support image storage unit that stores a plurality of driving support images indicating the posting contents of the postings posted on the road or around the road, One or a plurality of driving assistance images are selected from driving assistance images stored in the driving assistance image storage unit based on a preset priority order, and are displayed on a display unit in the vehicle using the selected driving assistance images.
- An image generation process for generating an image is executed by a computer.
- the driving support image generation device can display a plurality of driving support images indicating the contents of the posted items, The driving support image can be confirmed retroactively.
- FIG. 1 is a configuration diagram of a driving assistance image display system according to Embodiment 1.
- FIG. It is a block diagram of the driving assistance image display system which concerns on Embodiment 1, and is a figure which shows the structure of a driving assistance image generation part in detail. It is a figure explaining the pattern matching of the posting thing recognition process part which concerns on Embodiment 1.
- FIG. 3 is an example of a selection screen according to the first embodiment. It is an example which displays time on the selection screen concerning Embodiment 1.
- FIG. 4 is an operation flowchart of the driving assistance image display system according to the first embodiment.
- Embodiment 3 is an example of a captured image captured by the imaging apparatus according to Embodiment 1; It is an example of the driving assistance image which the posting thing recognition process part which concerns on Embodiment 1 cut out. It is a block diagram of the driving assistance image display system which concerns on Embodiment 3, and is a figure which shows the structure of a driving assistance image generation part in detail. 12 is an operation flowchart of the driving assistance image display system according to the third embodiment. It is an example of the table which matched the identification information which the posting thing content determination part 44 which concerns on Embodiment 3 has, and the content of a posting. 10 is an example of a selection screen according to the third embodiment.
- FIG. 18 is an example of a selection screen generated by the image generation unit according to the sixth embodiment. It is another example of the selection screen which the image generation part which concerns on Embodiment 6 produces
- Embodiment 1 FIG.
- the configuration of the driving assistance image display system according to Embodiment 1 of the present invention will be described with reference to FIG.
- the driving support image display system includes an imaging device 1, a navigation device 2, a display unit 3, a driving support image generation unit 4, and an operation input unit 5.
- the imaging device 1, the navigation device 2, the display unit 3, the driving support image generation unit 4, and the operation input unit 5 are connected by a vehicle-mounted LAN 6 in a wired or wireless manner.
- the display unit 3 and the driving support image generation unit 4 constitute a driving support image display device.
- the imaging device 1 is a camera attached to the front outside of the vehicle, captures a landscape image including a posting on or around the road, and acquires it as an image.
- the posting means display information such as a traffic sign installed on or around the road on which the vehicle travels, a signboard of a store, or characters painted on the road.
- the bulletin board may be an electronic bulletin board that is posted on a road and displays information such as traffic congestion and chain regulation to the passenger.
- the imaging device 1 captures a posting at a predetermined time interval, and outputs information related to the captured image to the driving assistance image generation unit 4 described later.
- the imaging device 1 is not limited to capturing a landscape image including a posting at a predetermined time interval, and may be configured to capture an image when the posting appears in the imaging range of the imaging device 1. Good. Further, the mounting position of the imaging device 1 is set to the front outside of the vehicle as shown in FIG. 1, but it may be a position where the posting can be captured, and may be provided so as to capture the outside of the vehicle from inside the vehicle. . In the following description, a landscape image including a posting acquired by the imaging device 1 is a captured image.
- the navigation device 2 includes position specifying means (not shown) for specifying the position of the vehicle by GPS (Global Positioning system) and the like, and guide means (not shown) for guiding the vehicle to a set destination or waypoint. In addition, the vehicle is guided to the destination and waypoint by setting the destination and waypoint by the passenger.
- the driving assistance image generation unit 4 to be described later can acquire information on the destination, waypoint, and vehicle position from the navigation device 2.
- the display unit 3 is an instrument panel on which instruments indicating information necessary for vehicle travel, such as a vehicle speedometer, tachometer, and fuel meter, are arranged. Image information from the driving support image generation unit 4 to be described later is displayed. In response, the corresponding image is displayed.
- mechanical meters have been the mainstream for instrument panels, but in recent years, replacement from mechanical to non-mechanical displays has been progressing due to lower prices and larger screens of liquid crystal display devices and the like.
- the instrument panel has a higher degree of freedom of content to be displayed, and can display a driving support image and a selection screen, which will be described later, and is particularly convenient.
- the display part 3 is not restricted to an instrument panel, What is necessary is just what can display an image.
- the display unit 3 may be a monitor that displays the guidance display of the navigation device 2, a head-up display installed in front of the windshield of the vehicle, and a mobile terminal such as a smartphone.
- the driving support image generation unit 4 cuts out a posting from the captured image acquired by the imaging device 1 and generates an image of the posting (hereinafter referred to as a driving support image) to be displayed on the display unit 3.
- a driving support image an image of the posting
- a screen for the passenger to select a driving support image to be displayed on the display unit 3 (hereinafter referred to as a selection screen) is generated.
- the operation input unit 5 is an input unit that a passenger operates to display the selection screen and the driving support image generated by the driving support image generation unit 4 on the display unit 3.
- the operation input unit 5 may be, for example, a selection button, an instrument panel, or a touch panel such as a display of the navigation device 2 as long as it can instruct the display of the selection screen and the driving assistance image by the operation of the passenger.
- the in-vehicle LAN 6 connects the imaging device 1, the navigation device 2, the display unit 3, the driving support image generation unit 4, and the operation input unit 5 with a wired or wireless connection.
- the imaging device 1, the navigation device 2, the display unit 3, the driving support image generation unit 4, and the operation input unit 5 exchange information via the in-vehicle LAN 6.
- FIG. 2 is a configuration diagram of the driving assistance image display system according to the first embodiment, and shows a detailed configuration of the driving assistance image generation unit.
- the driving support image generation unit 4 includes a posted object recognition processing unit 41, a driving support image storage unit 42, and an image generation unit 43.
- the posted object recognition processing unit 41 and the image generation unit 43 shown in FIG. 2 may be configured by hardware, or can be realized by causing a computer to execute a predetermined program.
- the posted object recognition processing unit 41 recognizes the posted object from the captured image acquired by the imaging device 1, and cuts out the area recognized as the posted object.
- a method such as pattern matching is used for the recognition of the posting.
- the posting recognition unit 41 recognizes the posting by registering information related to the posting in advance and collating the captured image acquired from the imaging apparatus 1 with the shape and color of the registered posting. To do. For example, when a picked-up image including a blue and rectangular posting as shown in FIG. 3 is picked up by the image pickup apparatus 1, the posting recognition processing unit 41 selects a blue and rectangular one from the previously registered posting pattern. Search for.
- the posted object recognition processing unit 41 recognizes the captured image in blue and rectangular as a posted object. When the posted object is recognized, the posted object recognition processing unit 41 cuts out the area recognized as the posted object.
- the driving support image storage unit 42 stores the driving support image information and the identification information extracted by the posted object recognition processing unit 41 in the driving support image storage unit 42 in association with each other.
- the identification information is information for identifying the stored driving assistance image, for example, vehicle position information obtained from the navigation device 2. Further, the identification information is not limited to vehicle position information, but may be information such as the time at which the image was taken, the content of the imaged bulletin, the image quality of the imaged bulletin, whether or not the passenger recognized the bulletin. Thereafter, in the process of the driving support image display system, when exchanging information on the driving support image, the driving support image can be identified by this identification information. In the present embodiment, the identification information is vehicle position information.
- the image generation unit 43 generates a selection screen based on a preset display mode and causes the display unit 3 to display the selection screen.
- the display mode is an operation procedure programmed in advance in the image generation unit 43, and determines a priority order of images to be displayed on a selection screen among a plurality of driving support images stored in the driving support image storage unit 42. .
- the passenger can change the display mode of the image generation unit 43 by operating the operation input unit 5.
- the image generation unit 43 displays the driving assistance images in the order in which the position where the bulletin is imaged is close to the current location.
- the driving support image itself may be displayed on the selection screen, or identification information of the driving support image such as time may be displayed.
- the passenger selects the identification information corresponding to the driving support image to be displayed.
- FIG. 4 shows an example in which a driving support image is displayed on the selection screen based on the display mode.
- the display mode is “in order of the position where the bulletin is imaged is close to the current location”
- the first image displayed is the driving support image A where the position where the bulletin is imaged is closest to the current location.
- the driving assistance images to be displayed can be switched. For example, when the selection button 31b is operated, the driving support image B next to the current location can be displayed. Subsequently, the driving support images C and D can be sequentially displayed by operating the selection button 31b. If the selection button 31a is operated, it returns to the previous driving assistance image.
- the selection button 31 is operated by operating the cursor displayed on the selection screen of the display unit 3 with the operation input unit 5.
- the operation input unit 5 is a touch panel provided on the display unit 3
- the driving support image can be switched by the passenger pressing the selection button 31 of the display unit 3 directly with a finger.
- FIG. 5 shows an example in which the time, which is identification information associated with the driving assistance image based on the display mode, is displayed on the selection screen.
- the display mode is “in order of the position where the bulletin is imaged is close to the current location”
- the first image displayed is the time when the bulletin closest to the current location was imaged.
- the passenger can select the time corresponding to the driving assistance image to be displayed by operating the selection buttons 31a and 31b. For example, if you want to display a driving assistance image at a point where the passenger has passed 30 minutes ago, you can select the time 30 minutes before the current time, and drive the post imaged 30 minutes ago. Support images can be displayed.
- a selectable display that is displayed according to the display mode, such as the driving support image of FIG.
- the selection display is an icon or image for selecting a driving assistance image displayed on the display unit 3 by the passenger, and is displayed on the selection screen.
- the driving support image generation unit 4 causes the display unit 3 to display a corresponding driving support image.
- the selection display is, for example, the driving support image itself, the identification information itself, characters corresponding to the identification information, or the like, as long as the passenger can identify the desired driving support image.
- the selection display when the identification information associated with the driving support image is the position information of the vehicle, for example, the name of an intersection may be used.
- information related to the name of the intersection may be received from the navigation device 2 as the vehicle position information and stored in the driving assistance image storage unit 42 in association with the identification information. If the intersection name is selected and displayed, even if the vehicle travels from A station and passes the A station, the name of the intersection such as “A station square” is displayed as the selected display. The passenger can easily confirm the wrong road.
- FIG. 6 is an operation flowchart of the driving assistance image display system according to the first embodiment.
- FIG. 7 is an example of a captured image captured by the imaging apparatus according to the first embodiment.
- FIG. 8 is an example of a driving assistance image cut out by the posted object recognition processing unit according to the first embodiment.
- the display mode set in the image generation unit 43 by the passenger is in the order in which the positions where the posted images are captured are close to the current location.
- the selection display displayed on the selection screen will be described using an example in which the driving support image itself is used.
- the imaging device 1 captures images posted on the road or around the road.
- the imaging device 1 captures a posting and obtains a captured image illustrated in FIG.
- the shaded area in FIG. 7 is a background other than the posted object area.
- the inside of the broken line part of FIG. 7 shows a posting.
- the imaging device 1 outputs information on the captured image to the driving support image generation unit 4.
- the posted object recognition processing unit 41 acquires information of the captured image from the imaging apparatus 1, and recognizes the posted object by pattern matching. In addition, the posted object recognition processing unit 41 cuts out the area (in the broken line part of FIG. 7) of the posted object recognized as the posted object by pattern matching, and obtains a driving support image (FIG. 8). The posted object recognition processing unit 41 acquires information on the captured image and also receives information on the position of the vehicle when the posted object is imaged from the navigation device 2 (hereinafter referred to as position information at the time of imaging).
- the posted object recognition processing unit 41 stores the information of the driving support image obtained by cutting out in the driving support image storage unit 42 in association with the position information at the time of imaging.
- the image generating unit 43 confirms whether there is a selection screen display instruction from the operation input unit 5. If there is an instruction to display the selection screen, the process proceeds to ST5 and generation of the selection screen is started. If there is no display instruction, steps ST1 to ST3 are repeated. In the following description, it is assumed that the driving support image generation unit 4 repeats ST1 to ST3 a plurality of times and stores a plurality of driving support images in the driving support image storage unit 42.
- the image generation unit 43 acquires the vehicle position information (hereinafter referred to as generation position information) when generating the selection screen from the navigation device 2, and starts creating the selection screen.
- generation position information the vehicle position information
- the image generation unit 43 sequentially reads out the driving support images based on the set display mode, and generates a selection screen.
- the display mode is “in order of the position where the bulletin is imaged is close to the current location”. Therefore, the image generation unit 43 compares the generation position information with the identification information indicating the imaging position information, reads the driving support image closest to the generation position information, and generates a selection display as shown in FIG. Then, a selection screen on which this selection display is arranged is generated.
- the image generation unit 43 displays the generated selection screen on the display unit 3.
- the passenger can replace the driving support image displayed on the selection screen by operating the selection button 31a and the selection button 31b.
- the image generation unit 43 selects a driving assistance image in which identification information that is second closest to the generation position information is associated, Generate the selection screen again.
- the operation of the selection button 31 is performed by the operation input unit 5.
- ST5 and ST6 are repeatedly executed for each operation of the passenger's selection button 31.
- the image generation unit 43 receives a driving support image display instruction and selects a driving support image corresponding to the selection display from the driving support image storage unit 42. Are read out and displayed on the display unit 3.
- the driving assistance image display system stores a plurality of driving assistance images indicating postings, selects a driving assistance image based on the display mode, and generates a selection screen. It is possible to retrospectively check the posted items that the passenger missed, and to easily search the driver assistance image necessary for the passenger.
- Embodiment 2 The second embodiment will be described below with reference to FIGS.
- the driving assistance image display system according to the second embodiment is characterized in that the selection screen is generated using the position information of the destination or waypoint set in the navigation device 2 as the position information of the vehicle.
- the configuration of the driving support image according to the second embodiment is the same as the configuration illustrated in FIGS. 1 and 2, and a description thereof is omitted.
- the image generation unit 43 acquires the location information of the destination or waypoint set in the navigation device 2 instead of the location information at the time of generation.
- the image generation unit 43 preferentially acquires the driving support image in which the acquired imaging position information close to the destination or waypoint is associated as identification information from the driving support image storage unit 42, and generates a selection screen. To do.
- the driving support image display system can easily provide the driver with a driving support image indicating an intersection or the like that should have been turned when the vehicle has passed the destination. You can search.
- FIG. 9 the configuration of the driving assistance image display system according to the second embodiment of the present invention will be described with reference to FIGS. 9 to 14.
- portions corresponding to the configuration of the driving assistance image display system of Embodiment 1 are denoted by the same reference numerals as those in FIGS. 1 and 2, and description thereof is omitted.
- the driving assistance image display system is characterized in that a selection screen is generated based on the content of the posting.
- FIG. 9 is a configuration diagram of the driving assistance image display system according to the third embodiment, and shows a detailed configuration of the driving assistance image generation unit.
- the driving support image generation unit 4 includes a posting content determination unit 44. 9 may be configured by hardware or can be realized by causing a computer to execute a predetermined program.
- the posting content determination unit 44 determines the content of the driving support image cut out from the captured image by the posting recognition processing unit 41, and associates the identification information corresponding to the determined content of the posting with the driving support image. It memorize
- the identification information indicates an identification number determined in advance based on the content of the posted material.
- the contents of the posting are classifications such as traffic signs and store signs.
- the contents of the posting may be further classified, for example, traffic signs indicating safety-related contents, traffic signs indicating speed restrictions, traffic signs indicating a route in a specific area, traffic signs indicating traffic jam information, chains It may be classified as a traffic sign indicating a restriction.
- the posted matter content determination unit 44 has character recognition means (not shown), and recognizes characters in the posted matter and classifies the content.
- character recognition means not shown
- OCR Optical character recognition
- the posting content determination part 44 demonstrated as what recognizes a character as a determination method of the content of a posting, it is not restricted to this, What is necessary is just to use the method which can determine the content of a posting.
- pattern matching for specifying a posted item may be used by registering information related to the posted item in advance and collating the shape and color of the registered posted item with the driving support image.
- the image generation unit 43 generates a selection screen based on the content of the posting determined by the posting content determination unit 44.
- FIG. 10 is an operation flowchart of the driving assistance image display system according to the third embodiment.
- FIG. 11 is an example of a table in which the identification information included in the posting content determination unit 44 according to Embodiment 3 is associated with the content of the posting.
- FIG. 12 shows an example of a selection screen according to the third embodiment.
- FIG. 13 shows an example of a selection screen generated by the image generation unit according to the third embodiment, in which the selection display is emphasized.
- FIG. 11 is an example of a table in which the identification information included in the posting content determination unit 44 according to Embodiment 3 is associated with the content of the posting.
- FIG. 12 shows an example of a selection screen according to the third embodiment.
- FIG. 13 shows an example of a selection screen generated by the image generation unit according to the third embodiment, in which the selection display is emphasized.
- FIG. 14 is an example of a selection screen generated by the image generation unit according to the third embodiment, and is a diagram that preferentially displays a posting that violates the laws and regulations.
- steps corresponding to the operations of the driving assistance image display system according to Embodiment 1 are denoted by the same reference numerals as those in FIG. 6 and description thereof is omitted.
- the display mode is set in the image generation unit 43 so that “posts related to safety are preferentially displayed”.
- the posting content determination unit 44 acquires the driving assistance image generated in ST1 and ST2 from the posting recognition processing unit 41.
- the posted content determination unit 44 determines the content of the acquired driving support image using character recognition or pattern matching.
- the posted matter content determination unit 44 associates the driving support image whose content is recognized in ST31 with identification information corresponding to the content of the driving support image (posted item) and stores it in the driving support image storage unit 42. .
- the posting content determination unit 44 previously classifies the content of the posting and stores a table in which the same identification information is associated with the same type of content, that is, the posting of the same category, based on this table. Determine identification information.
- the content of the posting related to safety is associated with the row of identification information “1”.
- the posting content determination unit 44 determines the content of the driving support image, and if it is determined that the posting support means “chain regulation”, the driving support image is associated with the identification information “1” to support driving.
- the posting content determination unit 44 determines that the driving support image means “no right turn”, in ST32, the posting recognition processing unit 44 associates the driving support image with the identification information “2”. And stored in the driving support image storage unit 42.
- the image generation unit 43 when there is an instruction to display a driving assistance image in ST4, the image generation unit 43 generates a selection screen.
- the image generation unit 43 displays the driving support image associated with the identification information “1” indicating the safety-related posting because the display mode is “display with priority on the safety-related posting”.
- the image generation unit 43 generates a selection screen using the driving support image obtained by the search.
- the driving assistance image display system displays a selection screen, and the passenger operates the selection button 31 on this selection screen to display a desired driving assistance image.
- the selection screen can preferentially display a driving assistance image related to safety.
- FIG. 12A is a driving assistance image of a posting showing that it is slippery.
- the image generation unit 43 includes a plurality of driving assistance images related to safety. It is also possible to display from the one closest to the current position of the vehicle. That is, it can be implemented in combination with the driving assistance image display system according to the first embodiment.
- the driving assistance image display system may be configured such that only the selection screen related to safety is displayed on the selection screen and the others are not displayed.
- the image generation unit 43 displays the selection display to be preferentially displayed on the selection screen based on the display mode, but in addition to changing the order.
- a selection screen in which the driving support image is highlighted based on the set display mode may be generated.
- a frame that emphasizes a driving assistance image related to safety in the selection screen may be synthesized.
- the highlighting is not limited to a frame, but may be any display that can enhance the driving support image such as blinking of the driving support image, change of contrast, enlargement, and attachment of characters such as “danger”.
- the image generation unit 43 is selected from an in-vehicle device (not shown) such as a speedometer when a display mode that prioritizes driving support images related to laws and regulations is selected.
- Information related to the speed of the host vehicle may be acquired, and information that violates the speed regulation may be preferentially displayed.
- the posting content determination unit 44 compares the content of the posting with information from an on-vehicle device such as a speedometer, and when it is in violation, the identification information indicating the violation is indicated as the driving support indicating the regulation speed of 50 km.
- the image generation unit 43 searches for the driving support image determined to be in violation based on the identification information, and as shown in FIG. 14, the selection corresponding to the driving support image indicating the restriction speed 50 km in the upper left upper portion of the selection screen. Highlight the display.
- the content of the posting may be image quality.
- the posting content determination unit 44 includes an image quality determination unit (not shown) that determines that the image quality is poor when the image quality of the driving support image is equal to or less than a certain threshold, and when the image quality is determined to be poor.
- the identification information indicating that the image is a driving support image with poor image quality is associated.
- the image generation unit 43 can preferentially display a selection display of a driving assistance image with good image quality. With this configuration, it is possible to preferentially display the selection display of a driving assistance image with good image quality, and it is not necessary for the passenger himself to determine the image quality.
- the driving support image display system displays the selection display indicating the driving support image on the selection screen, but is not limited thereto, and displays the selection display indicating the content of the driving support image. You may do it.
- the type of the posting such as “guidance sign” and “regulation sign” may be displayed, or the contents of the posting such as “attention to falling rock” and “slow down” may be directly indicated.
- the driving support image display system since the driving support image display system according to Embodiment 3 generates the selection screen based on the content of the posted material, the driving support necessary for the passenger when confirming the posted material retroactively. Image display can be preferentially displayed, and the search burden on the passenger can be reduced.
- FIG. 15 is a configuration diagram of the driving assistance image display system according to the fourth embodiment, and shows a detailed configuration of the driving assistance image generation unit.
- FIG. 16 is an operation flowchart of the driving assistance image display system according to the fourth embodiment.
- the driving support image display system includes a line-of-sight detection determination device 7 that determines whether or not a posted object is recognized by detecting the line of sight of a passenger.
- the line-of-sight detection determination device 7 includes a camera that is installed inside the vehicle and detects line-of-sight information indicating the direction of the line of sight of the passenger.
- the line-of-sight detection determination device 7 constantly monitors the line-of-sight information and determines whether or not the passenger has recognized the posting.
- the line-of-sight detection determination device 7 is connected to the imaging device 1, the navigation device 2, the display unit 3, and the driving support image generation unit 4 shown in FIG.
- the line-of-sight detection determination device 7 is set with a predetermined time, and the passenger recognizes the posted object when the line of sight of the passenger is directed in the direction in which the posted object is located. It is determined that When it is determined that the occupant has not recognized the posting, the line-of-sight detection determination device 7 outputs recognition determination information indicating that the occupant has not recognized the posting to the posting recognition processing unit 41. .
- FIG. 16 steps corresponding to the operations of the driving assistance image display system according to Embodiments 1 to 3 are denoted by the same reference numerals as those in FIGS. 6 and 10 and description thereof is omitted.
- the line-of-sight detection determination device 7 determines whether or not the passenger has recognized the posting imaged in ST1. In ST1 and ST2, the line-of-sight detection determination unit 7 detects the line-of-sight information of the passenger. The line-of-sight detection determination device 7 outputs recognition determination information to the posted object recognition processing unit 41 when it is determined that the passenger does not recognize the posted image captured by the imaging device 1.
- the driving support image generation unit 4 executes the process of ST511 when receiving an operation for displaying the selection screen from the operation input unit 5 in ST4.
- the image generation unit 43 preferentially acquires the driving support image associated with the identification information indicating that the passenger does not recognize the posting from the driving support image storage unit 42, and generates the selection screen. To do.
- the line-of-sight detection determining device 7 outputs the recognition determination information to the posted object recognition processing unit 41 when it is determined that the occupant has not recognized the imaged posted object.
- the detection determination device 7 outputs the recognition determination information to the image generation unit 43 and the image generation unit 43 receives the recognition determination information, the selection screen may be generated.
- the driving assistance image display system preferentially displays the postings that are not recognized by the passenger on the selection screen, so the passenger confirms the postings retroactively. In this case, it is possible to easily check the posted items that have been missed.
- Embodiment 5 FIG.
- the driving assistance image display system according to Embodiment 5 displays one or more driving assistance images with the highest priority without generating a selection screen.
- FIG. 17 is an operation flowchart of the driving assistance image display system according to the fifth embodiment.
- portions corresponding to the operations of the driving assistance image display system of the first embodiment are denoted by the same reference numerals as in FIGS. 6, 10, and 16, and description thereof is omitted.
- the configuration of the driving support image display system according to the fifth embodiment is the same as that shown in FIGS. 1, 2, 9, and 15, and the description thereof is omitted.
- the image generation unit 43 confirms whether there is an instruction to display a driving support image from the operation input unit 5. If there is an instruction to display the driving support image, the process proceeds to ST7 and the driving support image is read according to the set display mode and displayed on the display unit 3. In the operation of displaying the driving support image, the image generation unit 43 may read and display the driving support image for each display instruction in the order according to the display mode, or read the driving support image collectively in advance and display the display instruction. You may make it display sequentially for every.
- the image generation unit 43 may be configured to automatically display a driving assistance image regardless of the display instruction of ST4111. For example, when the regulation information is violated, an image of a posting related to the regulation information is displayed as a driving support image.
- the driving assistance image display system displays the driving assistance image with the highest priority in accordance with the display mode without displaying the selection screen. It can be omitted.
- FIG. 18 is an example of a selection screen generated by the image generation unit according to the sixth embodiment.
- FIG. 19 is another example of the selection screen generated by the image generation unit according to the sixth embodiment.
- one selection display or driving assistance image is displayed on the display unit 3, but a plurality of selection displays or driving assistance images are simultaneously displayed. It can also be configured to display.
- the image generation unit 43 may generate a selection screen on which a plurality of selection displays are displayed simultaneously as shown in FIG. Also in this case, the image generation unit 43 generates the selection display in the order based on the display mode. For example, when the display mode is the order in which the postings are captured, the images are displayed in the order of upper left, upper right, right center, left center, lower left, and lower right in FIG. Note that the order is not limited to this, and can be appropriately changed such as displaying in the order of upper right, upper left, right center, left center, lower right, and lower left.
- the image generation unit 43 displays one category of postings, but may display a plurality of categories of postings simultaneously.
- the image generation unit 43 may display “postings regarding intersections” and “postings regarding safety and regulations” as categories to be displayed on the display unit 3.
- “postings regarding intersections” are displayed on the left half of the selection screen, and “postings regarding safety and regulations” are displayed on the right half of the selection screen.
- a display for example, “intersection”, “safety and regulation” for selecting the category of the posting material to be displayed may be provided, and only the posting material of the selected category may be displayed on the display unit 3.
- the user wants to check a bulletin related to safety and regulation that the passenger has missed, only the bulletin related to safety and regulation can be preferentially displayed by selecting “safety and regulation”.
- a plurality of display units 3 may be provided to simultaneously display a selection screen for each posting of different categories.
- the image generation unit 43 causes one display unit 3 to display a driving support image on “postings regarding intersections” and causes the other display unit 3 to display “postings regarding safety and regulations”. You can also
- the image generation unit 43 according to the present embodiment is also applicable to the driving assistance image display system according to the fifth embodiment that displays the driving assistance image with the highest priority without displaying the selection screen.
- the operation input unit 5 is used to select the display mode for determining the priority order of the driving assistance images displayed by the passenger.
- the selection may be made by the voice of the passenger. Further, the display may be automatically switched periodically.
- the driving assistance image is stored in the driving assistance image storage unit 42 for each imaging by the imaging device 1.
- the driving support image storage unit 42 There is no need to store driving support images in the support image storage unit 42.
- the driving support image generation system reads the driving support image based on the position information of the vehicle received from the navigation device 2 and displays the selection screen or the driving support image when the vehicle passes the same point again. It may be configured. By comprising in this way, the operation
- the driving assistance image display system may receive information on driving assistance images captured by other vehicles, instead of reading out driving assistance images of the host vehicle.
- driving assistance information is transmitted by storing information of driving assistance images that have been captured and cut out in the past by other vehicles including the driving assistance image display system according to Embodiments 1 to 6 to an external server.
- the image generation unit 4 can access the server via a roadside device or the like installed on the road and acquire information on the driving support image.
- the posted object recognition processing unit 41 obtains the driving assistance image obtained by cutting the captured image as it is.
- the driving support image may be created from scratch by CG (Computer Graphics) corresponding to the imaged posting.
- CG Computer Graphics
- the driving support image generation unit 4 stores a storage unit (not shown) that stores in advance a CG image corresponding to a posting or a part of a CG image corresponding to a part of the posting.
- the CG image of the posting corresponding to the posting imaged by the imaging device 1 is generated.
- the posted object recognition processing unit 41 recognizes the posted object from the captured image captured by the imaging device 1, and the CG image corresponding to the recognized posted object is stored in the driving support image storage unit 42. Just remember.
- the driving support image display system does not generate a driving support image based on the captured image, but an image showing the contents of the postings stored in advance together with the map data.
- the information may be used.
- the use of the captured image allows the latest accurate information to be displayed as the driving support image even when the content of the actual posting is changed or when a new posting is posted.
- the postings posted on or around the road are newly posted in accordance with the new construction of the road, but if an image obtained by imaging the newly posted posting is used, it is stored together with the map data in advance. Even when there is no image information indicating the content of the posted material, the latest driving support image can be obtained.
- the driving support image generation unit 4 is provided in the vehicle, but is not limited thereto, and is provided in a server or the like provided in a specific place outside the vehicle. It may be.
- the display unit 3 provided in the vehicle may receive the driving support image generated by the driving support image generation unit 4 provided on the server side by wireless communication.
- the display unit 3 may be configured to be connected to a communication unit such as a smartphone by wire or wirelessly and to communicate with the server via the smartphone.
- the configuration characteristic of the driving support image display system according to Embodiments 1 to 6 can be mounted on one and the same driving support image display system.
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Abstract
Description
以下、図1を用いて、本発明の実施の形態1に係る運転支援画像表示システムの構成について説明する。
以下、実施の形態2について、図2、図6を用いて説明する。実施の形態2に係る運転支援画像表示システムは、車両の位置情報としてナビゲーション装置2に設定された目的地又は経由地の位置情報を用いて選択画面を生成することを特徴とする。なお、実施の形態2に係る運転支援画像の構成は、図1及び図2に示した構成と同様のものとして、説明を省略する。
以下、図9から図14を用いて、本発明の実施の形態2に係る運転支援画像表示システムの構成について説明する。なお、図9の説明において、実施の形態1の運転支援画像表示システムの構成に相当する部分には図1及び図2と同一符号を付してその説明を省略する。
以下、図15、図16を用いて、実施の形態4に係る運転支援画像表示システムについて説明する。図15は実施の形態4に係る運転支援画像表示システムの構成図であり、運転支援画像生成部の構成を詳細に示す図である。図16は実施の形態4に係る運転支援画像表示システムの動作フローチャートである。
実施の形態5に係る運転支援画像表示システムは、選択画面を生成することなく、最優先の1つ又は複数の運転支援画像を表示することを特徴とする。
実施の形態6では、実施の形態1から実施の形態5に係る運転支援画像表示システムの表示態様について、図18、図19を用いて説明する。図18は実施の形態6係る画像生成部が生成する選択画面の例である。図19は実施の形態6に係る画像生成部が生成する選択画面の他の例である。
Claims (16)
- 道路又は道路周辺に掲示された掲示物の掲示内容を示す複数の運転支援画像を記憶する運転支援画像記憶部と、
前記運転支援画像記憶部に記憶された運転支援画像から予め設定された優先順序に基づき1つ又は複数の運転支援画像を選択し、選択した前記運転支援画像を用いて車両内の表示部に表示させる画像を生成する画像生成部と、
を備える運転支援画像生成装置。 - 前記運転支援画像記憶部は、前記運転支援画像と車両の位置に関する情報とを対応づけて記憶し、
前記画像生成部は、前記車両の位置に関する情報に基づいて、前記運転支援画像記憶部に記憶された前記複数の運転支援画像のうち、前記画像の生成に用いる運転支援画像を選択することを特徴とする請求項1に記載の運転支援画像生成装置。 - 前記掲示物の内容を判定する掲示物内容判定部を備え、
前記運転支援画像記憶部は、前記運転支援画像と前記掲示物内容判定部により判定された掲示物の内容を示す情報とを対応づけて記憶し、
前記画像生成部は、前記掲示物の内容に基づいて、前記運転支援画像記憶部に記憶された前記複数の運転支援画像のうち、前記画像の生成に用いる運転支援画像を選択すること を特徴とする請求項1に記載の運転支援画像生成装置。 - 前記画像生成部は、前記運転支援画像記憶部に記憶された前記複数の運転支援画像のうち、異なる種類の内容を有する掲示物の運転支援画像を複数選択し、選択した複数の運転支援画像に基づいて、前記種類毎に前記画像を生成することを特徴とする請求項3に記載の運転支援画像生成装置。
- 車両の搭乗者が前記掲示物を認識したか否かを判定する視線検出判定装置を備え、
前記運転支援画像記憶部は、前記視線検出判定装置により掲示物が前記車両の搭乗者に認識されていないことを示す情報とを対応づけて記憶し、
前記画像生成部は、前記運転支援画像記憶部に記憶された運転支援画像のうち、前記掲示物が認識されていないことを示す情報が対応づけられた前記運転支援画像を優先して選択することを特徴とする請求項1に記載の運転支援画像生成装置。 - 前記画像生成部は、選択した前記運転支援画像又は前記運転支援画像に対応する識別情報を用いて、表示する運転支援画像を搭乗者が選択するための選択表示を生成することを特徴とする請求項1に記載の運転支援画像生成装置。
- 前記画像生成部は、前記運転支援画像記憶部に記憶された運転支援画像を複数選択し、選択した複数の運転支援画像を同時に表示する画像を生成することを特徴とする請求項1に記載の運転支援画像生成装置。
- 道路又は道路周辺に掲示された掲示物の掲示内容を示す運転支援画像を表示する表示部を備える運転支援画像表示装置であって、
前記表示部は、
車両が通過した道路又は道路周辺に掲示された複数の掲示物のうち、予め設定された優先順序に基づいて選択された1つ又は複数の掲示物の内容を示す運転支援画像を含む画像を表示することを特徴とする運転支援画像表示装置。 - 前記表示部は、車両の位置に応じて設定される優先順序に基づいて画像を表示することを特徴とする請求項8に記載の運転支援画像表示装置。
- 前記表示部は、前記掲示物の内容に応じて設定される優先順序に基づいて画像を表示することを特徴とする請求項8に記載の運転支援画像表示装置。
- 前記表示部は、異なる種類の内容を有する掲示物の運転支援画像を前記種類毎に前記画像として表示することを特徴とする請求項10に記載の運転支援画像表示装置。
- 前記表示部は、
車両の搭乗者が前記掲示物を認識していない場合に、
前記優先順序に基づき選択された1つ又は複数の掲示物の内容を示す運転支援画像を含む画像を表示することを特徴とする請求項8に記載の運転支援画像表示装置。 - 前記表示部は、表示する運転支援画像を搭乗者が選択するための選択画面を表示することを特徴とする請求項8に記載の運転支援画像表示装置。
- 前記表示部は、複数の運転支援画像を同時に表示することを特徴とする請求項8に記載の運転支援画像表示装置。
- 道路又は道路周辺に掲示された掲示物を撮像する撮像装置と、
前記撮像装置により撮像された掲示物の掲示内容を示す複数の運転支援画像を記憶する運転支援画像記憶部、前記運転支援画像記憶部に記憶された運転支援画像から予め設定された優先順序に基づき1つ又は複数の運転支援画像を選択し、選択した前記運転支援画像に基づいて表示させる画像を生成する画像生成部、前記画像生成部で生成された画像を表示する車両内の表示部を備える運転支援画像表示装置と、
を備えることを特徴とする運転支援画像表示システム。 - 道路又は道路周辺に掲示された掲示物の掲示内容を示す複数の運転支援画像を記憶する運転支援画像記憶部に前記運転支援画像を記憶させる処理と、
前記運転支援画像記憶部に記憶された運転支援画像から予め設定された優先順序に基づき1つ又は複数の運転支援画像を選択し、選択した前記運転支援画像を用いて車両内の表示部に表示させる画像を生成する画像生成処理と、
をコンピュータに実行させる運転支援画像生成プログラム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2013/006638 WO2015071924A1 (ja) | 2013-11-12 | 2013-11-12 | 運転支援画像生成装置、運転支援画像表示装置、運転支援画像表示システム、及び運転支援画像生成プログラム |
US15/029,564 US10315516B2 (en) | 2013-11-12 | 2013-11-12 | Driving-support-image generation device, driving-support-image display device, driving-support-image display system, and driving-support-image generation program |
EP13897512.3A EP3070698B1 (en) | 2013-11-12 | 2013-11-12 | Driving-support-image generation device, driving-support-image display device, driving-support-image display system, and driving-support-image generation program |
JP2015547278A JP6203281B2 (ja) | 2013-11-12 | 2013-11-12 | 運転支援画像生成装置、運転支援画像表示装置、運転支援画像表示システム、及び運転支援画像生成プログラム |
CN201380080870.8A CN105723431B (zh) | 2013-11-12 | 2013-11-12 | 驾驶辅助图像生成装置、显示装置、显示系统及生成方法 |
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PCT/JP2013/006638 WO2015071924A1 (ja) | 2013-11-12 | 2013-11-12 | 運転支援画像生成装置、運転支援画像表示装置、運転支援画像表示システム、及び運転支援画像生成プログラム |
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EP (1) | EP3070698B1 (ja) |
JP (1) | JP6203281B2 (ja) |
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JP2018201115A (ja) * | 2017-05-26 | 2018-12-20 | アイシン精機株式会社 | 周辺監視装置 |
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JP7560434B2 (ja) | 2021-10-19 | 2024-10-02 | 本田技研工業株式会社 | 走行制御システム |
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JP2018201115A (ja) * | 2017-05-26 | 2018-12-20 | アイシン精機株式会社 | 周辺監視装置 |
JP2020102027A (ja) * | 2018-12-21 | 2020-07-02 | トヨタ自動車株式会社 | 制御装置、車両、画像表示システム、及び画像表示方法 |
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JP7560434B2 (ja) | 2021-10-19 | 2024-10-02 | 本田技研工業株式会社 | 走行制御システム |
Also Published As
Publication number | Publication date |
---|---|
EP3070698A1 (en) | 2016-09-21 |
JPWO2015071924A1 (ja) | 2017-03-09 |
CN105723431B (zh) | 2019-02-05 |
CN105723431A (zh) | 2016-06-29 |
EP3070698B1 (en) | 2019-07-17 |
EP3070698A4 (en) | 2017-07-26 |
US20160272065A1 (en) | 2016-09-22 |
JP6203281B2 (ja) | 2017-09-27 |
US10315516B2 (en) | 2019-06-11 |
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