WO2019073598A1 - Système d'affichage de véhicule - Google Patents

Système d'affichage de véhicule Download PDF

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Publication number
WO2019073598A1
WO2019073598A1 PCT/JP2017/037205 JP2017037205W WO2019073598A1 WO 2019073598 A1 WO2019073598 A1 WO 2019073598A1 JP 2017037205 W JP2017037205 W JP 2017037205W WO 2019073598 A1 WO2019073598 A1 WO 2019073598A1
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WO
WIPO (PCT)
Prior art keywords
display
vehicle
display system
information
driver
Prior art date
Application number
PCT/JP2017/037205
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English (en)
Japanese (ja)
Inventor
スリバスタバ クマー デベシュ
Original Assignee
本田技研工業株式会社
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 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to PCT/JP2017/037205 priority Critical patent/WO2019073598A1/fr
Publication of WO2019073598A1 publication Critical patent/WO2019073598A1/fr

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the present invention relates to a display system for a vehicle.
  • a vehicle display system that displays an image obtained by superimposing a warning display on an image captured by a camera outside the vehicle at a position where it overlaps an actual position such as a road actually viewed by an occupant by a head-up display.
  • Patent Document 1 See, for example, Patent Document 1.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a display system for a vehicle capable of securing appropriate visibility with respect to a display image and a real outside world.
  • a display system for a vehicle generates a composite image by combining predetermined information with a camera that captures an image of a predetermined area in the outside of the vehicle and the image captured by the camera
  • a generation unit a display which is provided at a predetermined portion of a window glass of the vehicle and is capable of switching between a light transmission state and a non-transmission state
  • a control unit configured to display on the display.
  • the display may be in the transmission state when power to the display is shut off.
  • the vehicle display system includes an abnormality detection unit that detects an abnormality in the display or an abnormality in the camera, and the control unit controls the display by the abnormality detection unit.
  • the display may be in the transmissive state when an abnormality of the camera or an abnormality of the camera is detected.
  • the predetermined portion may be substantially the entire window glass of the vehicle.
  • the window glass of the vehicle is a windshield, and the predetermined area is viewed through the windshield when the driver of the vehicle is seated in the driver's seat You may include the range to do.
  • the predetermined information may be driving support information for supporting the driving of the vehicle.
  • At least one of the information amount and the content of the driving support information may be changed according to the driving skill of the driver of the vehicle.
  • the control unit performs calibration of a display range in the predetermined area at a predetermined timing, and After the execution, the change of the display range may be prohibited until the power of the display is shut off.
  • the display system for a vehicle includes an occupant detection unit for detecting a head position or an eye point of a driver, and the control unit is configured to The display range in the predetermined area may be changed according to the head position or the eye point detected by the detection unit.
  • the composite image obtained by combining the external image and the predetermined information in two dimensions is displayed on the non-transmissive state display, the composite image is It is possible to prevent overlapping and visual recognition in the real world. As a result, it is possible to prevent the occurrence of positional deviation between the real outside world and the composite image due to, for example, the viewpoint position or the vehicle vibration. In addition, since the external world and the focal length of the predetermined information are unified in the composite image, appropriate visibility can be ensured.
  • the composite image can be displayed on the display in the non-transmission state only when the system is normal. Can be improved.
  • the composite image may be displayed so as to be in a state of being close to nature, so as to actually recognize the actual outside world through the window glass, following the change in posture of the occupant. it can.
  • FIG. 1 It is a block diagram showing an example of functional composition of a display system for vehicles concerning an embodiment of the present invention.
  • a vehicle equipped with a display system for vehicles concerning an embodiment of the present invention it is a figure showing an example of a display screen which displays a synthetic picture on a display of a non-transmission state.
  • the vehicle equipped with the display system for vehicles which concerns on embodiment of this invention WHEREIN: It is a figure which shows an example of the external field which a passenger
  • FIG. 1 is a block diagram showing an example of a functional configuration of a display system for a vehicle according to an embodiment of the present invention.
  • a vehicle display system 10 is mounted on a vehicle 1.
  • the vehicle 1 includes a driving operator 11, a vehicle sensor 13, an external camera 15, an occupant camera 17, a display device 21, an information storage unit 23, and an HMI (Human Machine Interface: A human-machine interface) control device 25.
  • HMI Human Machine Interface: A human-machine interface
  • the operating element 11 is an operating element such as an accelerator pedal, a brake pedal, a shift lever, and a steering wheel.
  • the drive operator 11 includes a sensor that detects the amount of operation of each operator or the presence or absence of an operation. Each sensor is connected to the HMI controller 25 and outputs a signal of the detection result to the HMI controller 25.
  • the vehicle sensor 13 detects a vehicle state amount.
  • the vehicle sensor 13 is a vehicle speed sensor that detects a vehicle speed, an acceleration sensor that detects an acceleration of the vehicle 1, and a yaw rate sensor that detects an angular velocity around the vertical axis of the vehicle 1.
  • Each sensor is connected to the HMI controller 25 and outputs a signal of the detection result to the HMI controller 25.
  • the external camera 15 images a predetermined area of the external of the vehicle 1 and outputs data of a photographed image.
  • the predetermined area is an area including the area viewed through the windshield 27 when the driver of the vehicle 1 is seated at the driver's seat in the front outside of the vehicle 1.
  • An external camera 15 for imaging an external front of the vehicle 1 is attached to the upper portion of the windshield 27 or the back of the rearview mirror 29 or the like.
  • the external camera 15 is a digital camera provided with a solid-state imaging device such as a charge coupled device (CCD) or a complementary metal oxide semiconductor (CMOS).
  • CCD charge coupled device
  • CMOS complementary metal oxide semiconductor
  • the occupant camera 17 captures an area including the face of the driver sitting on the driver's seat of the vehicle 1 and outputs data of the captured image.
  • the occupant camera 17 is attached to the top of the windshield 27 or an instrument panel or the like.
  • the occupant camera 17 is a digital camera provided with a solid-state imaging device such as a charge coupled device (CCD) or a complementary metal oxide semiconductor (CMOS).
  • CCD charge coupled device
  • CMOS complementary metal oxide semiconductor
  • the occupant camera 17 can capture images in the visible light region and the infrared region.
  • the occupant camera 17 may include an imaging light source capable of emitting light such as visible light or infrared light to the face of the driver sitting at the driver's seat.
  • the imaging light source may be disposed at a position shifted from the occupant camera 17 to the left and right.
  • the display device 21 is provided at a predetermined portion of a window glass of the vehicle 1.
  • the predetermined portion is the entire windshield 27.
  • the display device 21 is a flat panel display having a transparent electrode or a transparent conductive film, and can switch between a light transmission state and a light non-transmission state.
  • the display device 21 is a display such as a liquid crystal, an organic EL, or an inorganic EL.
  • the display device 21 is in a non-transmissive state when power is supplied, and makes it impossible for the passenger in the vehicle compartment to view the outside through the window glass.
  • the display device 21 is in the transmission state when the power is shut off, and enables the occupant in the vehicle compartment to visually recognize the outside through the window glass.
  • the information storage unit 23 stores predetermined information displayed on the display device 21.
  • the predetermined information is driving support information for supporting the driving of the vehicle 1.
  • the driving support information is information such as the operation timing of the driving operation element 11, alerting, visual field assistance, and route guidance.
  • the driving support information includes the traveling environment and the driving state of the vehicle 1, and the amount and content of information associated with the driving skill of the driver.
  • the traveling environment of the vehicle 1 is information such as a road state, a road type, and a flow of a plurality of vehicles.
  • the driving state of the vehicle 1 is information such as the operation amount of the driving operation element 11 and the vehicle state amount detected by the vehicle sensor 13.
  • the driver's driving skill is information in which the driving skill is quantified based on the consistency or variation degree of the driving operation, or the matching degree between the measured data of the driving pattern and the reference data.
  • the HMI control device 25 includes an information acquisition unit 31, a composite video generation unit 33, an abnormality detection unit 35, an occupant detection unit 37, and a display control unit 39.
  • the information acquisition unit 31 acquires predetermined information to be displayed on the display device 21 from the information storage unit 23.
  • the information acquisition unit 31 acquires driving support information from the information storage unit 23 based on the traveling environment and driving state of the vehicle 1 and the driving skill of the driver. For example, the information acquisition unit 31 acquires information on the traveling environment of the vehicle 1 from a navigation device or the like.
  • the information acquisition unit 31 generates information on the driving state of the vehicle 1 based on the operation amount acquired from the driving operator 11 and the vehicle state amount acquired from the vehicle sensor 13.
  • the information acquisition unit 31 generates information of the driving skill of the driver based on the consistency or variation degree of the driving operation, or comparison of measured data of the driving pattern with the reference data.
  • the information acquisition unit 31 generates data of the consistency or variation degree of the driving operation or the measured data of the driving pattern based on the information of the driving state of the vehicle 1.
  • the information acquisition unit 31 stores reference data of the driving pattern in advance.
  • the reference data of the driving pattern is generated in advance based on the type of the vehicle 1, the traveling condition, and the information of the driving state measured by the test drive according to the traveling course and the like. Since the driving support information stored in the information storage unit 23 includes the traveling environment and the driving state of the vehicle 1 and the information amount and the content corresponding to the driving skill of the driver, the information amount and the information according to the driving skill are At least one of the contents changes.
  • the composite video generation unit 33 generates composite video by combining predetermined information with the captured video using data of the captured video output from the external camera 15 and the predetermined information acquired by the information acquisition unit 31. Do.
  • the abnormality detection unit 35 detects an abnormality of the display device 21 and an abnormality of the external camera 15. For example, the abnormality detection unit 35 detects the internal temperature, the power supply current, and the current consumption of each of the display device 21 and the external camera 15, the display abnormality of the display device 21, the abnormality of the output signal of the external camera 15, and the like.
  • the occupant detection unit 37 detects the head position or eye point of the driver using data of the captured image output from the occupant camera 17.
  • the occupant detection unit 37 performs recognition processing such as feature value calculation and shape discrimination with the head of the driver or left and right eyeballs as detection objects, and based on the processing result of this recognition processing, the head position or eye point To detect.
  • recognition processing such as feature value calculation and shape discrimination with the head of the driver or left and right eyeballs as detection objects, and based on the processing result of this recognition processing, the head position or eye point To detect.
  • the occupant detection unit 37 uses the center position of the iris or pupil of the eye, the center position of the Purkinje image that is a reflection image of infrared light on the corneal surface, the eye center position, the position of the eyes and eyes, etc.
  • FIG. 2 is a view showing an example of a display screen for displaying a composite image on the display device 21 in the non-transmissive state in the vehicle 1 equipped with the display system 10 for a vehicle according to the embodiment of the present invention.
  • FIG. 3 shows an example of the external world visible to the occupant through the display device 21 in the transmission state and the non-display state and the windshield 27 in the vehicle 1 equipped with the display system 10 for a vehicle according to the embodiment of the present invention.
  • FIG. 3 shows an example of the external world visible to the occupant through the display device 21 in the transmission state and the non-display state and the windshield 27 in the vehicle 1 equipped with the display system 10 for a vehicle according to the embodiment of the present invention.
  • the display control unit 39 appropriately processes the composite video acquired from the composite video generation unit 33 and causes the display device 21 in the non-transmissive state to display the composite video.
  • the composite image displayed on the display device 21 includes the image 41 of the outside world, the arrow indicating the route guidance, and the driving support information 42 such as the maximum speed of the traveling path.
  • the display control unit 39 calibrates the display range in a predetermined area of the external world captured by the external camera 15 at a predetermined timing.
  • the display control unit 39 performs deformation, size change, and trimming of the composite image displayed on the display device 21 in the non-transmissive state according to the head position or the eye point of the driver detected by the occupant detection unit 37. Etc.
  • the display control unit 39 displays the range of the external world in the composite image displayed on the display device 21 in the non-transmissive state, when the driver is seated in the driver's seat. It matches the range of the real outside world to be viewed through the device 21 and the windshield 27.
  • the predetermined timing is when the ignition switch of the vehicle 1 is turned on.
  • the display control unit 39 prohibits the change of the display range until the power of the display device 21 is shut off after the calibration of the display range is performed.
  • the display control unit 39 determines the sensitivity of the external camera 15 and the brightness of the display device 21 according to the brightness of the driving environment that changes with time or weather. And adjust the contrast of each of the external camera 15 and the display device 21. For example, the display control unit 39 controls the sensitivity of the external camera 15, the brightness of the display device 21, and the external camera 15 and the display device in a relatively dark environment such as nighttime or cloudy weather as compared to daytime or fine weather. At least one of the 21 contrasts is increased.
  • the abnormality detection unit 35 detects an abnormality in the display device 21 or an abnormality in the external camera 15
  • the display control unit 39 causes the display device 21 to be in the transmission state and stops the display of the composite image.
  • the composite image obtained by combining the external image and the predetermined information in two dimensions is displayed by the display device 21 in the non-transmissive state. It is possible to prevent the image from being superimposed and viewed on the real world. As a result, it is possible to prevent the occurrence of positional deviation between the real outside world and the composite image due to, for example, the viewpoint position or the vehicle vibration. In addition, since the external world and the focal length of the predetermined information are unified in the composite image, appropriate visibility can be ensured.
  • the display device 21 since the display device 21 is in the transmission state when the power is shut off, it is possible to properly secure the view to the real outside world through the window glass of the vehicle 1. In addition, power consumption of the display device 21 can be reduced by shutting off the power supply of the display device 21 when display of a composite image is unnecessary, and power saving can be achieved. Furthermore, since the display device 21 is in the transmission state when the display device 21 or the external camera 15 is abnormal, the composite image can be displayed by the display device 21 in the non-transmission state only when the system is normal. It is possible to improve the quality.
  • the display device 21 is provided on substantially the entire window glass of the vehicle 1, the transmission state and the non-transmission state of the display device 21 can be switched over substantially the entire window glass. As a result, it is possible to switch between a state in which the actual outside world can be viewed through the window glass and a state in which the composite image is displayed with the real outside world invisible. Furthermore, the display device 21 is provided on substantially the entire windshield 27 of the vehicle 1, and a predetermined region of the external world captured by the external camera 15 is viewed through the windshield 27 when the driver of the vehicle 1 is seated at the driver's seat. Since the range is included, an appropriate composite image can be displayed.
  • the driving support information changes at least one of the information amount and the content depending on the driving skill of the driver of the vehicle 1, and therefore information can be provided according to the driver individual, which is advantageous for displaying a composite image Can be improved. Furthermore, since the change of the display range is prohibited until the power of the display device 21 is shut off after the calibration of the display range is performed, the position of the composite image can be fixed to the window frame of the window glass. it can. As a result, there is no fear that the passenger feels bothersome, such as video sickness.
  • the display control unit 39 performs calibration of the display range according to the driver's head position or eye point detected by the occupant detection unit 37, but the present invention is not limited to this. .
  • the display control unit 39 may perform calibration of the display range based on information other than the driver's head position or eye point, or initial information stored in advance.
  • the other information is the seat position of the driver's seat.
  • the initial information stored in advance is information such as the head position or the eye position according to the seat position of the driver of the reference figure.
  • the display control unit 39 prohibits the change of the display range until the power of the display device 21 is shut off after the calibration of the display range is performed at a predetermined timing. Not limited to this.
  • the display control unit 39 performs calibration of a display range in a predetermined area of the external world captured by the external camera 15 according to the change in the driver's head position or eye point sequentially detected by the occupant detection unit 37. You may According to this modified example, it is possible to display the composite image so as to be in a state of being close to nature, so as to actually visually recognize the external world through the window glass, following the driver's posture change or the like. .
  • the display control unit 39 sets the display device 21 in the transmission state when an abnormality in the display device 21 or an abnormality in the external camera 15 is detected, but the present invention is not limited to this. Even when data of a captured image is not output from the external camera 15, the display control unit 39 may stop the display by setting the display device 21 in a transparent state by powering off the display device 21 or the like.
  • the composite image obtained by combining the external image and the predetermined information in two dimensions is displayed by the display device 21 in the non-transmissive state, so that the external image and the composite image It is possible to provide a display system for a vehicle capable of preventing a shift.
  • SYMBOLS 1 ... Vehicle, 10 ... Display system for vehicles, 11 ... Driving operator, 13 ... Vehicle sensor, 15 ... Outside camera (camera), 17 ... Occupant camera, 21 ... Display apparatus (display), 23 ... Information storage part, 25 ... HMI controller, 27 ... windshield, 29 ... room mirror, 31 ... information acquisition unit, 33 ... composite video generation unit (generation unit), 35 ... abnormality detection unit, 37 ... occupant detection unit, 39 ... display control unit () Control unit)

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Instrument Panels (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

La présente invention concerne un système d'affichage de véhicule (10) qui comprend une caméra externe (15), une unité de génération d'image composite (33), un afficheur (21) et une unité de commande d'affichage (39). La caméra externe (15) capture une image d'une zone prédéfinie à l'extérieur d'un véhicule (1). L'unité de génération d'image composite (33) combine des informations prédéfinies avec l'image capturée par la caméra externe (15) pour générer une image composite. L'afficheur (21) est disposé au niveau d'une partie prédéfinie du pare-brise (27) du véhicule (1) et peut commuter entre un état transmissif de lumière et un état non transmissif de lumière. L'unité de commande d'affichage (39) amène l'afficheur (21) dans l'état non transmissif de lumière à afficher l'image composite générée par l'unité de génération d'image composite (33).
PCT/JP2017/037205 2017-10-13 2017-10-13 Système d'affichage de véhicule WO2019073598A1 (fr)

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PCT/JP2017/037205 WO2019073598A1 (fr) 2017-10-13 2017-10-13 Système d'affichage de véhicule

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PCT/JP2017/037205 WO2019073598A1 (fr) 2017-10-13 2017-10-13 Système d'affichage de véhicule

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WO2019073598A1 true WO2019073598A1 (fr) 2019-04-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111703301A (zh) * 2020-06-18 2020-09-25 北京航迹科技有限公司 一种车窗内容显示方法、装置、电子设备及可读存储介质
CN113859123A (zh) * 2021-10-08 2021-12-31 上汽通用汽车有限公司 车辆前视系统显示控制方法、存储介质及电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06247184A (ja) * 1993-03-01 1994-09-06 Aisin Seiki Co Ltd 車上表示装置
JP2000203309A (ja) * 1999-01-14 2000-07-25 Denso Corp 車両用ヘッドアップディスプレイ及び表示システム
JP2003317197A (ja) * 2002-04-26 2003-11-07 Aisin Aw Co Ltd 警報システム
JP2005225379A (ja) * 2004-02-13 2005-08-25 Toyota Central Res & Dev Lab Inc 移動装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06247184A (ja) * 1993-03-01 1994-09-06 Aisin Seiki Co Ltd 車上表示装置
JP2000203309A (ja) * 1999-01-14 2000-07-25 Denso Corp 車両用ヘッドアップディスプレイ及び表示システム
JP2003317197A (ja) * 2002-04-26 2003-11-07 Aisin Aw Co Ltd 警報システム
JP2005225379A (ja) * 2004-02-13 2005-08-25 Toyota Central Res & Dev Lab Inc 移動装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111703301A (zh) * 2020-06-18 2020-09-25 北京航迹科技有限公司 一种车窗内容显示方法、装置、电子设备及可读存储介质
CN113859123A (zh) * 2021-10-08 2021-12-31 上汽通用汽车有限公司 车辆前视系统显示控制方法、存储介质及电子设备
CN113859123B (zh) * 2021-10-08 2024-05-17 上汽通用汽车有限公司 车辆前视系统显示控制方法、存储介质及电子设备

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