CN109774601B - Holographic projection method and system and automobile - Google Patents
Holographic projection method and system and automobile Download PDFInfo
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- CN109774601B CN109774601B CN201810368323.4A CN201810368323A CN109774601B CN 109774601 B CN109774601 B CN 109774601B CN 201810368323 A CN201810368323 A CN 201810368323A CN 109774601 B CN109774601 B CN 109774601B
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Abstract
The invention provides a holographic projection method, a holographic projection system and an automobile, wherein the method comprises the following steps: if the received holographic projection starting instruction is received, acquiring the current running speed of the automobile; and if the current driving speed of the automobile does not exceed the preset threshold value, acquiring display data of a preset holographic image, and displaying the display data on a preset holographic image display screen. The problem that in the prior art, 3D holographic projection cannot be effectively coordinated with driving safety in application in the field of automobiles is solved.
Description
Technical Field
The invention relates to the field of automobiles, and discloses a holographic projection method and system and an automobile.
Background
With the aging of 3D holographic projection technology, 3D holographic projection is widely used in application scenes such as conference exhibition, theater performance, etc. in the field of consumer electronics, wherein 3S holographic projection is to suspend a 3D picture in the half-air of a real scene for imaging by using an interference or diffraction principle with an image in a terminal display screen of a device, and a user can control the 3D picture by controlling an intelligent device or voice interaction, thereby performing picture switching.
However, there are many limitations to the application of 3D holographic projection in the automobile field, for example, the application scenario and the control method of the holographic projection function, and how to ensure the safe driving state of the driver while providing pleasant visual experience for the driver, is the key to the application of the 3D holographic projection technology in the automobile field.
Disclosure of Invention
In view of the above, the present invention provides a holographic projection method, a holographic projection system and an automobile, so as to solve the problem that in the prior art, 3D holographic projection cannot be effectively coordinated with driving safety in the application of the 3D holographic projection in the automobile field.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a holographic projection method for use with an automobile, the method comprising: if the received holographic projection starting instruction is received, acquiring the current running speed of the automobile; and if the current driving speed of the automobile does not exceed the preset threshold value, acquiring display data of a preset holographic image, and displaying the display data on a preset holographic image display screen.
Further, still include: and when the preset holographic image is displayed, if the current running speed of the automobile exceeds a preset threshold value, closing the holographic image.
Further, the step of acquiring display data of a preset hologram and displaying the hologram on the hologram display device includes: acquiring display data of a preset holographic image by connecting with an external storage device or a network service; and converting the preset holographic image into a low-voltage differential signal, and sending the low-voltage differential signal to holographic image display equipment for displaying.
Further, the holographic projection start instruction includes: one of a voice opening instruction, a touch opening instruction and a physical key opening instruction.
Further, after the step of acquiring display data of a preset hologram and displaying the display data on a preset hologram display screen if the current driving speed of the automobile does not exceed a preset threshold, the method further includes: receiving a holographic image adjusting instruction, and adjusting the display characteristics of the preset holographic image; the display characteristics of the preset holographic image comprise the size of the holographic image, the resolution of the holographic image and the preset position of the holographic image display equipment.
Compared with the prior art, the holographic projection system has the following advantages: if the received holographic projection starting instruction is received, acquiring the current running speed of the automobile; and if the current driving speed of the automobile does not exceed the preset threshold value, acquiring display data of a preset holographic image, and displaying the display data on a preset holographic image display screen. The problem that when a driver drives a vehicle, the driver sees the holographic image, so that potential safety hazards in driving are solved.
Another object of the present invention is to provide a holographic projection system, comprising: the holographic image display instruction receiving module is used for receiving a holographic projection starting instruction and sending the holographic projection starting instruction to the holographic image control module;
the holographic image control module is used for receiving a holographic projection opening instruction sent by the holographic image display instruction receiving module, acquiring the current running speed of the automobile through the automobile speed acquisition module, if the current running speed of the automobile does not exceed a preset threshold value, sending a holographic image display instruction to the holographic image display equipment, and otherwise, sending a holographic image closing instruction to the holographic image display equipment; the vehicle speed acquisition module is used for acquiring the current running speed of the automobile and sending the current running speed to the holographic image control module; the holographic image display equipment comprises a holographic image display screen, a holographic image storage module and a holographic image display module, wherein the holographic image display screen is used for receiving a holographic image display instruction sent by the holographic image control module, acquiring display data of a preset holographic image from the holographic image storage module, and displaying the display data on the holographic image display screen; and the holographic image storage module is used for acquiring and storing the display data of the preset holographic image through being connected with an external storage device or a network service.
Further, still include: and the safety control module is used for acquiring the current running speed of the automobile through the automobile speed acquisition module when the preset holographic image is displayed, and sending a holographic image closing instruction to the holographic image display equipment if the current running speed of the automobile exceeds a preset threshold value.
Further, still include: the holographic image adjusting module is used for receiving a holographic image adjusting instruction and adjusting the display characteristics of the preset holographic image; the display characteristics of the preset holographic image comprise the size of the holographic image, the resolution of the holographic image and the preset position of the holographic image display equipment.
Furthermore, the holographic image display instruction receiving module and the holographic image control module are integrated in an entertainment information module HUT; the vehicle speed acquisition module is integrated with the vehicle control module.
The invention also provides an automobile which comprises the holographic projection system.
Compared with the prior art, the holographic projection system and the automobile have the same advantages as the holographic projection system and the automobile, and the advantages are not described herein again.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart illustrating steps of a holographic projection method according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating steps of a holographic projection method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a holographic projection display according to a first embodiment of the present invention;
FIG. 4 is a logic diagram of functional modules of a holographic projection system according to the present invention;
fig. 5 is a schematic diagram of logic of functional modules of an automobile according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
Referring to fig. 1, a flowchart of steps of a holographic projection method according to an embodiment of the present invention may specifically include the following steps:
and 101, acquiring the current running speed of the automobile if the received holographic projection starting instruction is received.
In the embodiment of the invention, when a user starts the holographic projection function on a vehicle equipped with the holographic projection function module, the driving speed of the current vehicle is firstly acquired, and during the driving process of the vehicle, the central processor can control the sensor on the vehicle to acquire the driving data of the vehicle, such as the driving speed of the vehicle, the distance between the vehicle and the surrounding obstacles and the like, and display the acquired data on the central control display screen.
In the specific implementation, a user can start the holographic projection in various ways, wherein a starting instruction can be converted into an electric signal which can be identified by a machine from the operation of the user, the electric signal is processed by a holographic projection control module of the vehicle, the control module of the vehicle is called to obtain data of an induction element for calling the vehicle to measure the vehicle speed, the induction data of the vehicle is obtained, and the induction data is returned to the holographic projection control module of the vehicle.
And 102, if the current running speed of the automobile does not exceed a preset threshold value, acquiring display data of a preset holographic image, and displaying the display data on a preset holographic image display screen.
In the embodiment of the invention, after the holographic projection system acquires the current vehicle speed, the current vehicle speed is compared with the preset vehicle speed threshold, and if the current vehicle speed does not exceed the preset threshold, the corresponding holographic display data is further acquired according to the holographic opening instruction and displayed on the holographic display screen.
In a specific implementation, the display data of the hologram may be role information, action information, sound information, and the like of the hologram, and the information may correspond to specific functions, for example, audio and video information corresponding to a video entertainment program of the hologram, the information may be obtained from an external storage system and played, and corresponding to holographic projections of different functions, the preset threshold of the vehicle speed is different, for example, when the video entertainment holographic projection is turned on, the preset threshold of the vehicle speed is 0, only when the vehicle speed is not greater than 0, the holographic projection system is turned on and displays a corresponding image, and corresponding to the holographic projection of the vehicle navigation system, the preset threshold of the vehicle speed is 90 km/hr, when the vehicle speed is not greater than 90 km/hr, the navigation holographic projection is turned on, and a corresponding image is obtained and displayed.
Of course, the vehicle speed thresholds preset for different functions when the holographic projection is started are set and adjusted by related technicians according to the safety test data, and different vehicles have different setting requirements.
In the embodiment of the invention, if a received holographic projection starting instruction is received, the current running speed of the automobile is obtained; if the current driving speed of the automobile does not exceed the preset threshold value, the display data of the preset holographic image are obtained and displayed on the preset holographic image display screen, so that the holographic image starting instruction is timely executed corresponding to different automobile speeds when the user drives the automobile, and the beneficial effect of effective coordination of holographic projection and safe driving is realized.
Example two
Referring to fig. 2, which is a flowchart of a holographic projection method according to an embodiment of the present invention, the method may specifically include the following steps:
This step is the same as step 101 and will not be described again.
In the embodiment of the invention, after the holographic image is started, the 3D image is projected in the vehicle-mounted space, a user in a vehicle can see the three-dimensional image with real dimensionality in 360 degrees in an all-around way, and can call the 3D image according to different control instructions. The files storing different images can be acquired through external equipment and cloud service, for example, a vehicle-mounted entertainment information system (HUT) can receive or download holographic image data through the Internet, and can also be connected with a mobile terminal in a mode of connecting a smart phone with a vehicle, and the holographic image in the mobile phone is imported.
Certainly, The obtaining manner of The hologram is not limited to The above description, and The hologram information may be obtained through USB (Universal Serial Bus), FOTA (firmware Over-The-Air, which updates through a cloud retrieval file), and The like.
In addition, besides limiting the opening behavior of the hologram in the vehicle speed range, the holographic image opening behavior can also be limited according to the running condition and the external environment of the vehicle, so as to ensure that the driver of the vehicle is in the environment of safe driving. And the image or text prompt is carried out on the central control display screen of the vehicle. For example, v (vehicle speed) > 0km/h prompts the user to 'drive safely, recommend closing holographic projection'; when v is more than 20km/h and less than 140km/h, prompting a user that the vehicle speed is too high and the holographic projection is required to be closed; and when the v is more than or equal to 140km/h, actively closing the holographic projection which is being displayed immediately, and prompting a user. When the vehicle gear is in the R gear, the display is automatically closed within 2 seconds; when an important alarm affecting the normal running of the vehicle occurs in the vehicle (defined according to different vehicles), the display is automatically closed within 3 seconds; in addition, the normal operating voltage: and 9V-16V, and the voltage is lower than 9V or higher than 16V, and the display is closed immediately. Normal operating temperature: -40 ℃ to 80 ℃, exceeding the normal operating temperature, immediately turning off the display.
Of course, the safe driving limiting factor is not limited to the above description, and the embodiment of the present invention does not impose limitations thereon.
In the embodiment of the invention, when the condition of meeting the safe driving condition is met, the holographic image data in the storage equipment is acquired and then converted into the low-voltage differential signal, and the low-voltage differential signal is sent to the holographic image display equipment for displaying.
Preferably, the holographic projection start instruction includes: one of a voice opening instruction, a touch opening instruction and a physical key opening instruction.
In the embodiment of the invention, the holographic projection starting instruction can be realized through a steering wheel key, a touch screen and a voice instruction. After the central processing chip of the normal device in the vehicle receives the voice recognition signal sent by the audio processing module, the central processing chip reads the corresponding image information and the language information in the embedded memory integrated in the system chip according to the signal, and sends the image information and the language information to the display system and the power amplifier respectively. For example, if the voice signal sent by the user is "start navigation holographic projection", the voice processing module processes the voice signal, recognizes two signal commands of "start holographic projection" and "start navigation" and sends the two signal commands to the system chip, and the system chip calls the image information of the holographic projection corresponding to the navigation mode in the embedded memory according to the command, such as an animation character set by the user in a default manner and the sound data corresponding to the animation character, sends the character information data to the image display system, and sends the sound data to the power amplifier.
In the embodiment of the invention, the holographic projection display has a 3D effect when being observed from various angles in the vehicle, and the image can be a virtual character, a cartoon image, a public character (needing authorization) and an adaptive animal display. In addition, displayed people and animals can make sound through a loudspeaker in the vehicle, and the sound can be adjusted through steering wheel keys, a touch screen and voice instructions. The operation behavior of a person or an animal can be set when the holographic projection is being displayed and voice prompt is performed in the vehicle.
Of course, in practical applications, other characteristic information of the image character may also be stored, for example, a person or an animal should make a motion with an appropriate amplitude according to the voice content, gesture information corresponding to navigation, a corresponding traffic instruction hand-raising motion during turning and decelerating, and the like, while when the audio-visual entertainment content is played, the holographic image may perform a dance motion, and the holographic image corresponding to the general vehicle control instruction may be motion information conforming to the instruction, and for the main content of the motion, a preset motion is set according to a specific instruction, which is not limited to the above description, and the embodiment of the present invention is not limited thereto.
In addition, according to the preference of the user, a setting menu for the user to select the audio/video feature and the sound information is provided, so that the user can change the audio/video data corresponding to various language instructions at any time, which is not limited in the embodiment of the present invention.
In addition, the size of the hologram, the resolution of the hologram, and the preset position of the hologram display device may all be changed according to the preference of the user, as shown in fig. 3, where No. 1 in fig. 3 is a schematic view of a holographic projection display area; numbers 2 and 3 indicate the positional relationship of the driver seat position with the display area; no. 4 shows that the holographic projection display angle and position can be adjusted within a certain range; and 5, positions of the external structure of the HUT system and the external structure of the holographic projection are shown. The user may set the hologram information through a touch operation, and may change and set the controllable function described in fig. 3 through a physical key on the steering wheel and a voice function, which is not limited in this embodiment of the present invention.
In the embodiment of the invention, the holographic projection equipment is controlled by the HUT system to project the stereoscopic images in the vehicle-mounted space, a user can see real-dimensional stereoscopic space images in 360 degrees in an all-around way, the holographic image projection in the HUT menu can be selected through the central control touch screen/man-machine interaction switch in a vehicle, the instrument interface menu can be selected through the steering wheel key, and the 3D projection can be controlled to be displayed or not through a voice instruction, so that normally displayed holographic images can be displayed.
EXAMPLE III
Referring to fig. 4, a logic diagram of functional modules of a holographic projection system according to an embodiment of the present invention includes:
a holographic image display instruction receiving module 301, configured to receive a holographic projection start instruction, and send the holographic projection start instruction to the holographic image control module 302;
the holographic image control module 302 is configured to receive a holographic projection opening instruction sent by the holographic image display instruction receiving module, acquire a current driving speed of the automobile through the vehicle speed acquisition module 303, send a holographic image display instruction to the holographic image display device 304 if the current driving speed of the automobile does not exceed a preset threshold, and send a holographic image closing instruction to the holographic image display device 304 if the current driving speed of the automobile does not exceed the preset threshold;
a vehicle speed obtaining module 303, configured to obtain a current driving speed of the vehicle, and send the current driving speed to the holographic image control module 302;
the holographic image display device 304 comprises a holographic image display screen, and is configured to receive a holographic image display instruction sent by the holographic image control module, acquire display data of a preset holographic image from the holographic image storage module 305, and display the display data on the holographic image display screen;
the holographic image storage module 305 is configured to acquire and store the display data of the preset holographic image by connecting with an external storage device or a network service.
The safety control module 306 is configured to, when the preset hologram is displayed, obtain the current driving speed of the automobile through the vehicle speed obtaining module 303, and send a hologram closing instruction to the hologram display device 304 if the current driving speed of the automobile exceeds a preset threshold.
A hologram adjusting module 307, configured to receive a hologram adjusting instruction, adjust the display characteristics of the preset hologram, and send the adjusted display characteristics to the hologram display device 304; the display characteristics of the preset holographic image comprise the size of the holographic image, the resolution of the holographic image and the preset position of the holographic image display equipment.
Preferably, the holographic image display instruction receiving module 301 and the holographic image control module 302 are integrated in the entertainment information module HUT 100; the vehicle speed acquisition module 303 is integrated with the vehicle control module 200.
The HUT is a control host, the 3D image file is stored in the HUT system, and the image file can be updated to the HUT from the cloud and the external device in a WIFI/USB/FOTA mode (the image file needs to be authenticated). Interaction is realized with a 3D holographic projection function in the HUT in the modes of voice control, steering wheel key control and central control touch screen control, and an interaction instruction is realized through LVDS. And the HUT transmits the display instruction to the display device through the LVDS to output the 3D holographic projection image. The image displayed by holographic projection can realize simple action according to the voice content, so that the voice is more anthropomorphic.
In the embodiment of the invention, the holographic projection equipment is controlled by the HUT system to project the stereoscopic images in the vehicle-mounted space, a user can see real-dimensional stereoscopic space images in 360 degrees in an all-around way, the holographic image projection in the HUT menu can be selected through the central control touch screen/man-machine interaction switch in a vehicle, the instrument interface menu can be selected through the steering wheel key, and the 3D projection can be controlled to be displayed or not through a voice instruction, so that normally displayed holographic images can be displayed.
Example four
Referring to fig. 5, a schematic diagram of a logic of a functional module of an automobile according to an embodiment of the present invention specifically includes:
the entertainment information module HUT400 comprises a central control display screen 401, a voice input unit 402 and a steering wheel control unit 403, and is used for receiving a holographic projection starting instruction through touch operation on the central control display screen, or through a voice signal received by the voice input unit, or through pressing operation received by the steering wheel control unit, and sending the holographic projection starting instruction to a holographic projection system;
holographic projection system 500, comprising: the holographic image control module is integrated with the entertainment information module HUT and used for receiving a holographic projection starting instruction sent by the holographic image display instruction receiving module, acquiring the current running speed of the automobile through the automobile speed acquiring module, sending a holographic image display instruction to the holographic image display equipment if the current running speed of the automobile does not exceed a preset threshold value, and otherwise sending a holographic image closing instruction to the holographic image display equipment; the holographic image display screen is used for receiving a holographic image display instruction sent by the holographic image control module, acquiring display data of a preset holographic image from the holographic image storage module, and displaying the display data on the holographic image display screen; the holographic image storage module is used for acquiring and storing the display data of the preset holographic image through connection with external storage equipment or network service;
the vehicle-mounted entertainment information module (HUT) is connected with the holographic projection system, the holographic projection system transmits a holographic projection opening instruction to the display device through LVDS (Low Voltage Differential signaling), namely, low-Voltage Differential signals, a display screen for displaying 3D images projects the 3D images in a vehicle-mounted space through optical projection, and a user in a vehicle can see three-dimensional space images with real dimensionality in 360 degrees in an all-around mode and can call the 3D images by means of different control instructions.
The vehicle control module 600 comprises a vehicle speed acquisition module, which is used for acquiring the current running speed of the automobile and sending the current running speed to the holographic image control module;
the central control display screen is integrated in the entertainment information module HUT and is also used for displaying the display characteristics of the preset holographic image and the prompt information; the display characteristics of the preset holographic image comprise the size of the holographic image, the resolution of the holographic image and the preset position of the holographic image display equipment; the prompt message comprises a message for prompting the opening or closing of the holographic image.
In the embodiment of the invention, the HUT module is connected with the holographic projection system to control the holographic projection equipment to project the stereoscopic image in the vehicle-mounted space, so that a user can see the real-dimensional stereoscopic space image in 360 degrees in all directions, the selection of the holographic image projection in the HUT menu can be realized through a central control touch screen/man-machine interaction switch in the vehicle, the current driving parameters are obtained by the vehicle control module through the selection of the instrument interface menu by the steering wheel key and the voice instruction, can control whether the 3D projection is displayed or not, normally display the holographic image, when the vehicle speed is overhigh, the vehicle backs, the voltage in the vehicle is overhigh or overlow, in order to ensure the safety of the states of personnel and vehicles, the user can be prompted or actively quit the display, and the beneficial effect of timely helping the user to safely drive when using the holographic image is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A holographic projection method for use in an automobile, the method comprising:
if the received holographic projection starting instruction is received, acquiring the current running speed of the automobile;
if the current driving speed of the automobile does not exceed a preset threshold value, acquiring display data of a preset holographic image, and displaying the display data on holographic image display equipment;
the preset threshold is set differently according to different holographic projection functions, the preset threshold is set according to safety test data, and the preset threshold of different vehicles is set differently;
the function to different holographic projections, the preset threshold setting is different, including:
aiming at the video and audio entertainment holographic projection, if the vehicle speed is less than a first preset threshold value, starting the holographic projection;
and aiming at the holographic projection of the vehicle navigation, if the vehicle speed is less than a second preset threshold value, starting the holographic projection.
2. The holographic projection method of claim 1, further comprising:
and when the preset holographic image is displayed, if the current running speed of the automobile exceeds a preset threshold value, closing the preset holographic image.
3. The holographic projection method of claim 1, wherein the step of obtaining display data of a preset hologram and displaying the display data on a holographic image display device comprises:
acquiring display data of a preset holographic image by connecting with an external storage device or a network service;
and converting the preset holographic image into a low-voltage differential signal, and sending the low-voltage differential signal to holographic image display equipment for displaying.
4. The holographic projection method of claim 1, wherein the holographic projection start instruction comprises: one of a voice opening instruction, a touch opening instruction and a physical key opening instruction.
5. The holographic projection method of claim 1, wherein after the step of obtaining display data of a preset hologram and displaying the display data on a hologram display device if the current driving speed of the vehicle does not exceed a preset threshold, the holographic projection method further comprises:
receiving a holographic image adjusting instruction, and adjusting the display characteristics of the preset holographic image; the display characteristics of the preset holographic image comprise the size of the holographic image, the resolution of the holographic image and the preset position of the holographic image display equipment.
6. A holographic projection system, comprising:
the holographic image display instruction receiving module is used for receiving a holographic projection starting instruction and sending the holographic projection starting instruction to the holographic image control module;
the holographic image control module is used for receiving a holographic projection starting instruction sent by the holographic image display instruction receiving module, acquiring the current running speed of the automobile through the automobile speed acquisition module, if the current running speed of the automobile does not exceed a preset threshold value, sending a holographic image display instruction to the holographic image display equipment, and otherwise, sending a holographic image closing instruction to the holographic image display equipment;
the vehicle speed acquisition module is used for acquiring the current running speed of the automobile and sending the current running speed to the holographic image control module;
the holographic image display equipment comprises a holographic image display screen, a holographic image storage module and a holographic image display module, wherein the holographic image display screen is used for receiving a holographic image display instruction sent by the holographic image control module, acquiring display data of a preset holographic image from the holographic image storage module, and displaying the display data on the holographic image display screen;
the holographic image storage module is used for acquiring and storing the display data of the preset holographic image through connection with external storage equipment or network service;
the preset threshold is set differently according to different holographic projection functions, the preset threshold is set according to safety test data, and the preset threshold of different vehicles is set differently;
the function to different holographic projections, the preset threshold setting is different, including:
aiming at the video and audio entertainment holographic projection, if the vehicle speed is less than a first preset threshold value, starting the holographic projection;
and aiming at the holographic projection of the vehicle navigation, if the vehicle speed is less than a second preset threshold value, starting the holographic projection.
7. The holographic projection system of claim 6, further comprising:
and the safety control module is used for acquiring the current running speed of the automobile through the automobile speed acquisition module when the preset holographic image is displayed, and sending a holographic image closing instruction to the holographic image display equipment if the current running speed of the automobile exceeds a preset threshold value.
8. The holographic projection system of claim 6, further comprising:
the holographic image adjusting module is used for receiving a holographic image adjusting instruction and adjusting the display characteristics of the preset holographic image; the display characteristics of the preset holographic image comprise the size of the holographic image, the resolution of the holographic image and the preset position of the holographic image display equipment.
9. The holographic projection system of claim 6, wherein the holographic display instruction receiving module and the holographic control module are integrated into an entertainment information module HUT; the vehicle speed acquisition module is integrated with the vehicle control module.
10. An automobile, characterized in that it comprises a holographic projection system as claimed in claim 6.
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| CN111565226A (en) * | 2020-04-28 | 2020-08-21 | 一汽奔腾轿车有限公司 | Vehicle-mounted holographic image self-defining system |
| CN111754390A (en) * | 2020-05-11 | 2020-10-09 | 上海欧菲智能车联科技有限公司 | Ring view display method and device, computer equipment and storage medium |
| CN112614353A (en) * | 2020-12-17 | 2021-04-06 | 招商局重庆交通科研设计院有限公司 | Tunnel virtual stereo forbidden identification projection system |
| CN114043939B (en) * | 2021-11-09 | 2022-12-09 | 东风汽车集团股份有限公司 | Vehicle-mounted central control system using holographic projection technology and control method |
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