CN117360391A - AR-based digital rearview mirror system, vehicle and display method - Google Patents
AR-based digital rearview mirror system, vehicle and display method Download PDFInfo
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- CN117360391A CN117360391A CN202311388264.4A CN202311388264A CN117360391A CN 117360391 A CN117360391 A CN 117360391A CN 202311388264 A CN202311388264 A CN 202311388264A CN 117360391 A CN117360391 A CN 117360391A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 54
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000007613 environmental effect Effects 0.000 claims description 12
- 230000000007 visual effect Effects 0.000 claims description 10
- 230000004424 eye movement Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000008447 perception Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
- B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
- B60R1/25—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the sides of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
- B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
- B60R1/26—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the rear of the vehicle
-
- 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
- G02B27/0093—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
-
- 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
-
- 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
- G02B27/0101—Head-up displays characterised by optical features
-
- 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
- G02B27/017—Head mounted
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- 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
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
-
- 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
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
-
- 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
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0141—Head-up displays characterised by optical features characterised by the informative content of the display
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- 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
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
Abstract
The application relates to a digital rearview mirror system based on AR, a vehicle and a display method, wherein the system comprises the following steps: digital rearview mirrors, AR glasses and vehicle-mounted display screens; the digital rearview mirror is in communication connection with the vehicle-mounted display screen and is used for acquiring an environment picture around a vehicle and outputting the environment picture to the vehicle-mounted display screen; the AR glasses are in communication connection with the vehicle-mounted display screen and the digital rearview mirror, and are used for acquiring the eye gazing position and projecting the environment images around the vehicle, which are displayed by the vehicle-mounted display screen, to eyes when the eye gazing position accords with preset conditions. According to the technical scheme, the digital rearview mirror is used for acquiring the environment picture around the vehicle, the AR glasses are used for projecting the environment picture around the vehicle to human eyes, the intelligence is high, and the driving experience is good.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a digital rearview mirror system based on AR, a vehicle and a display method.
Background
The rear view mirror is a tool for a driver to directly acquire external information such as the rear, side and lower of the automobile in the cab.
Including interior mirrors and exterior mirrors on the left and right sides. With the development of intelligent automobiles, digital rearview mirrors extending from inside rearview mirrors can display images of the sides and the back of an automobile body, which are shot by an automobile body camera during driving.
However, in the prior art, a driver looks over the surrounding environment of the vehicle through a vehicle-mounted large screen in the driving process, so that the emergency of the dead angle of the visual field cannot be treated in time, and potential safety hazards exist.
In view of the above problems, those skilled in the art have sought solutions.
Disclosure of Invention
The technical problem to be solved by the application is to provide an AR-based digital rearview mirror system, a vehicle and a display method aiming at the defects of the prior art.
In order to achieve the above object, the present application is implemented by the following technical scheme:
the application provides an AR-based digital rearview mirror system, comprising: digital rearview mirrors, AR glasses and vehicle-mounted display screens;
the digital rearview mirror is in communication connection with the vehicle-mounted display screen and is used for acquiring an environment picture around a vehicle and outputting the environment picture to the vehicle-mounted display screen;
the AR glasses are in communication connection with the vehicle-mounted display screen and the digital rearview mirror, and are used for acquiring the eye gazing position and projecting the environment images around the vehicle, which are displayed by the vehicle-mounted display screen, to eyes when the eye gazing position accords with preset conditions.
Optionally, the AR glasses include an eye movement tracking module; the eye movement tracking module is used for tracking the eye gazing position of the user;
the system also comprises a vehicle machine; the car machine is in communication connection with the AR glasses and is used for determining whether the eye gazing position is in a preset position range or not and outputting a signal to the AR glasses when the eye gazing position is in the preset position range so that the AR glasses project an environment picture around the car to human eyes.
Optionally, the AR glasses further include a camera and a processing center;
the camera is used for acquiring an environment picture in front of the vehicle;
the processing center is used for projecting an environment picture in front of the vehicle to human eyes.
Optionally, the digital rearview mirror comprises a plurality of vehicle-mounted cameras; the plurality of vehicle-mounted cameras are arranged on the outer vehicle body of the vehicle and are used for acquiring the environment pictures at the side and the rear of the vehicle;
the vehicle-mounted display screen is arranged on the A column in the vehicle and is used for displaying the side and rear environment images of the vehicle so as to enable passengers in the vehicle to determine the conditions outside the vehicle according to the side and rear environment images of the vehicle, and when the eye gazing position accords with preset conditions, the side and rear environment images of the vehicle are projected to eyes.
Optionally, the system further comprises a voice control device; the voice control device is in wireless connection with the AR glasses and is used for receiving voice instructions sent by a user and outputting the processed voice instructions to the AR glasses, so that the AR glasses project the environment images around the vehicle to human eyes according to the processed voice instructions.
The application also provides a vehicle comprising the digital rearview mirror system.
The application also provides an AR-based digital rearview mirror display method, which comprises the following steps:
responding to the wearing of AR glasses by a user, acquiring an environment picture around the vehicle, and acquiring a human eye gazing position;
determining whether the eye gazing position meets preset conditions;
and if the preset conditions are met, projecting the environment picture around the vehicle to human eyes.
Optionally, the determining whether the eye gaze position meets a preset condition comprises:
determining whether the eye gaze location is within a preset location range;
and if the eye gazing position is in the preset position range, meeting the preset condition.
Optionally, after the environment image around the vehicle is projected to human eyes when the preset condition is met, the method includes:
acquiring a human eye visual field range;
and (3) adjusting the projection of the environment picture around the vehicle to be in accordance with the size of the visual field of human eyes.
Optionally, the method further comprises:
receiving a voice instruction sent by a user;
and projecting the environment picture around the vehicle to human eyes according to the voice command.
According to the technical scheme, the digital rearview mirror is used for acquiring the environment picture around the vehicle, the AR glasses are used for projecting the environment picture around the vehicle to human eyes, the intelligence is high, and the driving experience is good.
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.
Drawings
The present application is described in detail below with reference to the attached drawing figures and detailed description;
FIG. 1 is a schematic diagram of a digital rearview mirror system provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of AR glasses provided in an embodiment of the present application;
fig. 3 is a flow chart of a digital rearview mirror display method according to an embodiment of the present application.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
Fig. 1 is a schematic structural diagram of a digital rearview mirror system provided in an embodiment of the present application, referring to fig. 1, the present application provides an AR-based digital rearview mirror 10 system, including: a digital rearview mirror 10, a vehicle-mounted display screen 20 and AR glasses 30;
the digital rearview mirror 10 is in communication connection with the vehicle-mounted display screen 20, and the AR glasses 30 are in communication connection with the vehicle-mounted display screen 20 and the digital rearview mirror 10.
The digital rear view mirror 10 is used for acquiring an environmental image around the vehicle and outputting to the in-vehicle display screen 20. The digital rearview mirror has no various limitations of the traditional optical rearview mirror, can obtain a wider visual field, is less influenced by the environment, can limit the sight of a driver due to snowing and raining, and has the problem of dazzling a rear-car high beam, but can eliminate the influence through hardware or software. The digital rearview mirror can make the automobile more aerodynamic due to the unique structure, and can reduce wind resistance and wind noise.
The digital rear view mirror 10 includes a plurality of in-vehicle cameras; the vehicle-mounted cameras are arranged on the outer vehicle body of the vehicle and are used for acquiring the environment pictures at the side and the rear of the vehicle; the vehicle-mounted display screen 20 is disposed on an a pillar of the vehicle interior, and is configured to display the side and rear environmental images of the vehicle, so that an occupant in the vehicle can determine an external situation of the vehicle according to the side and rear environmental images of the vehicle, and project the side and rear environmental images of the vehicle to human eyes when the gaze position of the human eyes meets a preset condition.
In one embodiment, the digital rear view mirror is a camera used to take pictures of the sides and rear of the vehicle and display them on a display screen mounted on the a-pillar inside the vehicle instead of the original conventional optical rear view mirror.
The AR glasses 30 are used for acquiring the eye-gazing position, and projecting the environmental image around the vehicle displayed on the in-vehicle display screen 20 to the human eyes when the eye-gazing position meets the preset condition.
Optionally, the AR glasses 30 include an eye-tracking module; the eye movement tracking module is used for tracking the eye gazing position of the user; the system further includes a truck 40; the car machine 40 is communicatively connected to the AR glasses 30, and is configured to determine whether the eye-gazing position is within a preset position range, and output a signal to the AR glasses 30 when the eye-gazing position is within the preset position range, so that the AR glasses 30 project an environmental image around the car to human eyes.
In one embodiment, the preset position range is set as the range of the in-vehicle display screen 20; i.e., when the eye gaze location is at either edge (e.g., upper, lower, left, right) of the in-vehicle display screen 20, the AR glasses 30 project an ambient picture around the vehicle to the human eye. Further, since the driver user directly looks at the road ahead during most of the time of normal driving, i.e., the eye gaze position is right ahead with respect to the human body, the pupil is less shifted to the left or right, and the preset position range is set to other visual field ranges than right ahead of the human body; when the eye-gazing position is deviated from the right front of the human body (e.g., the human eye looks leftwards, rightwards), it can be determined that the eye-gazing position is within the preset position range, and the AR glasses 30 project the environmental picture around the vehicle to the human eye.
Fig. 2 is a schematic structural diagram of AR glasses provided in the embodiment of the present application, referring to fig. 2, an AR glasses 30 includes a camera 1, an optical module 2, a processing center 3, and a glasses frame support 4.
The camera 1 is used for acquiring an environmental image in front of a vehicle. The AR glasses generally have a plurality of cameras, and the division of labor among the cameras is different, so that three main functions are that the AR glasses are used for providing vision-based tracking and positioning (SLAM) image acquisition, performing interactive gesture recognition, and daily photographing and video recording.
The environment picture in the visual angle of the user is transmitted to the AR glasses through the camera 1, the SLAM carries out three-dimensional reconstruction on the current environment through image recognition, positioning analysis and AI calculation, and a three-dimensional real world is constructed, so that the understanding capability of the AR glasses on interaction in the real environment is enhanced, and complex environment perception and dynamic scene adaptation are given to the AR glasses.
The processing center 3 is used to project an environmental picture in front of the vehicle to the human eye.
The images and data processed by the brain of the processing center 3 as AR glasses are divided into the following aspects:
(1) AI: from the input, virtual-real fusion and output of AR, the whole chain needs AI support. (2) cloud computing and big data: since AR is realistic, its computation and data volume will rise exponentially, and its development is also independent of cloud computing and support for big data. (3) computer vision: compared with PC and mobile phone, the AR is essentially an upgrade of information presentation mode from two-dimensional to three-dimensional. Neither the input nor the output of the AR is computer vision. (4) interaction technique of core: including gesture interactions, voice interactions, eye tracking, etc. (5) operating system: becomes an independent operating system for the AR.
In this embodiment, the eye tracking module may belong to the processing center 3. The eye tracking module may also be independent of the processing center 3 in one embodiment.
The optical module 2 is mainly responsible for the imaging of AR glasses, AR being different from VR, although their near-eye display systems all form a distant virtual image through a series of optical imaging elements and project it into the human eye. The difference is that AR glasses require perspective (see-through) to see both real world and virtual information, so the imaging system cannot be blocked in front of the line of sight. This requires one more optical combiner or a group of optical combiners, which combine the virtual information and the real scene into one body in a "layered" form, complement each other, and "enhance" each other.
To achieve the effect of augmented reality, AR glasses (or AR headsets) generally have two display schemes: video perspective (video see-through) and Optical perspective (Optical see-through). Optical perspective is a display scheme based on optical elements, in which virtual information such as characters, images, videos, 3D models and the like is projected onto the optical elements directly by a micro-projection system (optical machine), and then the virtual information is sent into human eyes through reflection and total reflection. At the same time, the pictures in the real scene can directly enter human eyes through the optical element. Thus, the user can see the virtual information while seeing the real scene.
In this embodiment, the eye tracking module is utilized to obtain the eye gazing position of the user, the content of the digital rearview mirror is not accessed to avoid influencing the normal driving of the driver when the user normally runs, when the eye tracking module tracks that the eyes of the user look leftwards or rightwards, for example, the user touches the vicinity of the display screen on the a pillar, the AR glasses 30 can access the signal of the digital rearview mirror, so that the user can conveniently observe the environment picture around the vehicle obtained by the digital rearview mirror.
Optionally, the system further comprises a voice control means 50; the voice control device 50 is wirelessly connected to the AR glasses 30, and is configured to receive a voice command sent by a user and output the processed voice command to the AR glasses 30, so that the AR glasses 30 project an environmental image around the vehicle to human eyes according to the processed voice command.
The application also provides a vehicle comprising the digital rearview mirror system.
Fig. 3 is a schematic flow chart of a digital rearview mirror display method provided in an embodiment of the present application, please refer to fig. 3, and further provides an AR-based digital rearview mirror display method, which includes:
s1: in response to the user wearing the AR glasses 30, an environmental picture around the vehicle is acquired, and a human eye gazing position is acquired;
s2: determining whether the eye gazing position meets preset conditions;
s3: and if the preset conditions are met, projecting the environment picture around the vehicle to human eyes.
Optionally, step S2 includes:
determining whether the eye gazing position is in a preset position range;
and if the eye gazing position is in the preset position range, the preset condition is met.
Optionally, after step S3, the method includes:
acquiring a human eye visual field range;
and (3) adjusting the projection of the environment picture around the vehicle to be in accordance with the size of the visual field of human eyes.
Optionally, the method further comprises:
receiving a voice instruction sent by a user;
and projecting the environment picture around the vehicle to human eyes according to the voice command.
According to the technical scheme, the digital rearview mirror is used for acquiring the environment picture around the vehicle, the AR glasses are used for projecting the environment picture around the vehicle to human eyes, the intelligence is high, and the driving experience is good.
It is apparent that the basic principles and main features of the present application and the advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the foregoing embodiments, but rather, the embodiments and descriptions described herein are merely illustrative of the principles of the present application and all modifications, equivalents, or improvements made within the spirit and principles of the present application are intended to be included within the scope of the present application.
Claims (10)
1. An AR-based digital rearview mirror system, comprising: digital rearview mirrors, AR glasses and vehicle-mounted display screens;
the digital rearview mirror is in communication connection with the vehicle-mounted display screen and is used for acquiring an environment picture around a vehicle and outputting the environment picture to the vehicle-mounted display screen;
the AR glasses are in communication connection with the vehicle-mounted display screen and the digital rearview mirror, and are used for acquiring the eye gazing position and projecting the environment images around the vehicle, which are displayed by the vehicle-mounted display screen, to eyes when the eye gazing position accords with preset conditions.
2. The system of claim 1, wherein the AR glasses comprise an eye-tracking module; the eye movement tracking module is used for tracking the eye gazing position of the user;
the system also comprises a vehicle machine; the car machine is in communication connection with the AR glasses and is used for determining whether the eye gazing position is in a preset position range or not and outputting a signal to the AR glasses when the eye gazing position is in the preset position range so that the AR glasses project an environment picture around the car to human eyes.
3. The system of claim 1, wherein the AR glasses further comprise a camera and a processing center;
the camera is used for acquiring an environment picture in front of the vehicle;
the processing center is used for projecting an environment picture in front of the vehicle to human eyes.
4. The system of claim 3, wherein the digital rearview mirror comprises a plurality of vehicle-mounted cameras; the plurality of vehicle-mounted cameras are arranged on the outer vehicle body of the vehicle and are used for acquiring the environment pictures at the side and the rear of the vehicle;
the vehicle-mounted display screen is arranged on the A column in the vehicle and is used for displaying the side and rear environment images of the vehicle so as to enable passengers in the vehicle to determine the conditions outside the vehicle according to the side and rear environment images of the vehicle, and when the eye gazing position accords with preset conditions, the side and rear environment images of the vehicle are projected to eyes.
5. The system of claim 1, further comprising a voice control device; the voice control device is in wireless connection with the AR glasses and is used for receiving voice instructions sent by a user and outputting the processed voice instructions to the AR glasses, so that the AR glasses project the environment images around the vehicle to human eyes according to the processed voice instructions.
6. A vehicle comprising a digital rear view mirror system as claimed in any one of claims 1 to 5.
7. An AR-based digital rearview mirror display method, comprising:
responding to the wearing of AR glasses by a user, acquiring an environment picture around the vehicle, and acquiring a human eye gazing position;
determining whether the eye gazing position meets preset conditions;
and if the preset conditions are met, projecting the environment picture around the vehicle to human eyes.
8. The method of claim 7, wherein the determining whether the eye gaze location meets a preset condition comprises:
determining whether the eye gaze location is within a preset location range;
and if the eye gazing position is in the preset position range, meeting the preset condition.
9. The method of claim 7, wherein the projecting the environmental image around the vehicle to human eyes after the predetermined condition is met, comprises:
acquiring a human eye visual field range;
and (3) adjusting the projection of the environment picture around the vehicle to be in accordance with the size of the visual field of human eyes.
10. The method of claim 7, wherein the method further comprises:
receiving a voice instruction sent by a user;
and projecting the environment picture around the vehicle to human eyes according to the voice command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311388264.4A CN117360391A (en) | 2023-10-20 | 2023-10-20 | AR-based digital rearview mirror system, vehicle and display method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311388264.4A CN117360391A (en) | 2023-10-20 | 2023-10-20 | AR-based digital rearview mirror system, vehicle and display method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117360391A true CN117360391A (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311388264.4A Pending CN117360391A (en) | 2023-10-20 | 2023-10-20 | AR-based digital rearview mirror system, vehicle and display method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117360391A (en) |
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2023
- 2023-10-20 CN CN202311388264.4A patent/CN117360391A/en active Pending
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