CN115837879A - Intelligence AI electronic rearview mirror - Google Patents

Abstract

The invention discloses an intelligent AI electronic rearview mirror, which comprises a main control module, a plurality of display screens and a plurality of groups of cameras, wherein each group of cameras are respectively arranged on a bottom cover shell of the automobile rearview mirror, pictures acquired by the cameras are all transmitted to the main control module through a receiving module, the pictures are processed by the main control module to generate panoramic video images and are transmitted to the display screens for display, the cameras are linked with left and right steering lamps of an automobile through the main control module, and the cameras are controlled to rotate in an angle in the process of turning the automobile. The invention has simple structure, and can simulate water drops, fog, stains and the like to perform software algorithm compensation through an ADAS algorithm arranged in the AI processing module so as to reduce the influence of the outside weather on the picture; when the driving assistance system processor finds that people or obstacles can send out prompt tones and image area marks, the driving assistance system processor plays a role in assisting driving, and safety is improved.

Description

Intelligence AI electronic rearview mirror

Technical Field

The invention relates to the technical field of rearview mirrors, in particular to an intelligent AI electronic rearview mirror.

Background

Along with the popularization of automobiles, people go out more and more conveniently, the participation quantity of drivers is higher and higher, and the driving safety is more and more urgent. When a driver drives an automobile, the visual field and the sight are very important, and especially in the conditions of light shortage such as night, rainy and snowy days, foggy days and the like, the driver is tested, and especially the driver with insufficient experience is tested. The automobile rearview mirror is a device for observing the traffic condition behind a vehicle, and has been applied to automobiles for centuries. With the change of times, the rearview mirror gradually evolves to a convex mirror with wider vision from a common plane mirror, but is limited by the structure of the rearview mirror, when a narrow road section meets a vehicle and backs and enters a garage, a part of side sight can be shielded, and the rearview mirror has the possibility of being damaged by collision. In addition, studies have shown that the exterior rear view mirror increases the wind resistance by 2% to 7%. Therefore, to solve these problems completely, new technologies must be found to replace the existing technologies, and the electronic rearview mirrors are produced.

Disclosure of Invention

The invention aims to provide an intelligent AI electronic rearview mirror, which meets the requirements of regulations, can be provided with cameras on the basis of the traditional rearview mirror, and can form a panoramic video image by overlapping a plurality of cameras, thereby reducing the blind area of eyes and better reducing the influence of the external environment.

The invention is realized by the following technical scheme: the utility model provides an intelligence AI electronic rearview mirror, includes host system, a plurality of display screen and multiunit camera, every camera of group is installed respectively on automobile rearview mirror's bottom cover shell, and the picture that the camera acquireed all transmits to the host system in through receiving module, and the picture is handled through the host system and is generated panoramic video image to transmit to the display screen and show, and the camera passes through the host system and the linkage of the turn signal lamp about the car, and the in-process control camera that the car turned carries out the rotation of angle.

As a preferred technical scheme, the host module comprises an AI processing module, an editing processing module, a communication transceiving module and a wireless module, wherein a picture acquired by a camera is subjected to visual processing through an ADAS algorithm carried in the AI processing module, the visual processing functions comprise zooming, distortion correction, image masking and optical flow detection, the processed pictures are integrated through the editing processing module to form a panoramic video image, and the panoramic video image is transmitted to a display screen through the wireless module;

the camera is connected with an automobile bus inside the automobile through the communication transceiving module.

Preferably, the AI processing module is of the type WT8911, and WT8911 is an advanced driver assistance system processor with full and rich vision processing functions and interfaces.

As a preferred technical scheme, the model of the editing processing module is ELF2 in an FPGA series.

Preferably, the signal of the communication transceiver module is a BD41044FJ-C in-vehicle CAN FD transceiver.

Preferably, the signal of the wireless module is ESP8266.

As the preferred technical scheme, each group of cameras is provided with two cameras, the lens of one camera is arranged towards the tail of the vehicle, the lens of the other camera is arranged towards the front wheel, and the pictures shot by the two cameras are processed and overlapped to form a panoramic video image.

As a preferred technical scheme, a sensor chip of the camera adopts Sony IMX290/IMX307.

As a preferred technical scheme, the lenses of the cameras are all shot at an angle of 45 degrees, and the lenses of the cameras are all made of glass materials.

The novel beneficial effects of the invention are as follows:

1. the lens on the camera is arranged in full glass, the influence of the external environment on the lens is reduced by selecting the full glass, and software algorithm compensation can be performed on water drops, fog, stains and the like through an ADAS algorithm built in the AI processing module so as to reduce the influence of the external weather on the picture;

2. when the processor of the driving assistance system finds that people or obstacles can send prompt tones and image area marks, the function of assisting driving is achieved, and safety is improved;

3. the linkage of two cameras on the left side and the right side of the lens and the display of key areas on a screen in the cockpit are realized through the left steering lamp and the right steering lamp.

Drawings

In order to more clearly illustrate the novel embodiments or the technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the novel invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a diagram of the novel system of the present invention

FIG. 2 is a schematic view of the present invention during tunnel driving;

FIG. 3 is a schematic view of the present invention during driving in a rainy day;

FIG. 4 is a schematic view of the present invention during daytime driving;

fig. 5 is a schematic view of the present invention during night driving.

Detailed Description

Reference will now be made in detail to the present novel embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the novel forms of the present invention, and should not be construed as limiting the novel forms of the present invention.

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

As shown in fig. 1, the novel intelligent AI electronic rearview mirror of the present invention includes a main control module, a plurality of display screens and a plurality of sets of cameras, wherein each set of cameras is respectively installed on a bottom cover shell of an automobile rearview mirror, all pictures acquired by the cameras are transmitted to the main control module through a receiving module, the pictures are processed by the main control module to generate panoramic video images and are transmitted to the display screens for display, and the cameras are linked with left and right turn lights of an automobile through the main control module, and the cameras are controlled to rotate in angle during the process of automobile turning.

In this embodiment, the host module includes an AI processing module, an editing processing module, a communication transceiver module, and a wireless module, the image acquired by the camera is visually processed by the ADAS algorithm carried by the AI processing module, the visual processing function includes zooming, distortion correction, image masking, and optical flow detection, and the processed image is integrated by the editing processing module to form a panoramic video image, and the panoramic video image is transmitted to the display screen through the wireless module;

the camera is connected with an automobile bus in the automobile through the communication transceiving module.

In this embodiment, the AI processing module is of the type WT8911, and WT8911 is an advanced driver assistance system processor with complete and rich vision processing functions and interfaces.

In this embodiment, the model of the editing processing module is ELF2 in the FPGA series, the ELF2 series chip is a global initiative low-cost SOC FPGA device, and the integration of FPGA + MCU + ADC has the characteristics of high integration level, high performance, low power consumption, and the like, and can meet the flexibility requirement of a large number of industrial control applications.

In the present embodiment, the signals of the communication transmission/reception modules are BD41044FJ-C vehicle-mounted CAN FD transceiver, and BD41044FJ-C IS transceiver LSI for CAN-FD communication (conforming to IS 011898-2. Transmitter and receiver circuit functions (up to 5 Mbps) required for CAN-FD communication are provided.

In this embodiment, the signal of the wireless module is ESP8266, and the wireless module of the internet of things is designed and developed based on ESP8266EX chip. The system integrates a TCP/IP network protocol stack, a 32-bit low-power consumption MCU, a 10-bit precision ADC, interfaces such as HSPI, UART, PWM, I2C and I2S and the like, and can be selected, debugged and upgraded for use.

In this embodiment, every group camera all is equipped with two, and the camera lens of a camera sets up towards the rear of a vehicle, and the camera lens of another camera sets up towards the front wheel, and the picture that two cameras were shot is handled the stack and is formed panoramic video image.

In this embodiment, the sensing chip of the camera adopts sony IMX290/IMX307.

In this embodiment, the camera lens of camera all is 45 angles and shoots, and the benefit of adopting 45 degrees angles is that the stadia distance is long, and the original shape of object has better assurance indeformable, and the lens of camera is glass material and makes, and the material of full glass camera lens is made for monoblock glass. The advantages are that: the hardness is high, the wear resistance is realized, and the service life of the lens is longer; secondly, in the imaging effect, the refractive index of the glass lens is high, and the color of the projected picture is high; the chemical property shows that the glass lens is more stable, cannot cause the coke leakage due to thermal expansion and cold contraction, and is more corrosion-resistant.

The scheme combines software and hardware with an AI algorithm (WT 8911 is a built-in ADAS algorithm of a high-performance advanced driving assistance system processor, has complete and rich visual processing functions and interfaces, comprises functions of a scaler, distortion correction, image masking, optical flow detection and the like), can better process shot pictures, and reduces the influence of the external environment on the pictures;

realize that the back vision wide angle is greater than 120 degrees, the camera lens of rear of a vehicle and rear-view mirror to the camera lens stack of front wheel, press close to A post double-screen display about the driving window, turn to the light through controlling and realize that the camera lens is left and right sides respective two camera linkages and cockpit screen display key region, when turning to the light about opening, through the car bus with signal transmission to the communication transceiver module in, can adjust the angle of camera through the communication transceiver module, make the camera can rotate along with the turn of car, thereby the picture when the shooting conversion that can be better, in order to increase the security.

As shown in fig. 2, the left side changes from "bright" to "black", the visual experience changes obviously, so that the driver and passengers feel uncomfortable in vision, an adaptation process needs a certain time, and the right side is basically unchanged.

As shown in fig. 3, the left mirror surface is wetted by rain, the sight line and the surrounding environment are blurred, the visual field range is affected, the right sight line and the surrounding environment are clear, and the visual field range is not affected.

As shown in the attached figure 4, the left side is influenced by the traditional mirror surface rearview mirror, a blind area exists in the left rear environment, and the right side electronic rearview mirror improves driving safety by means of a fine visual field eliminating blind area of the high-definition wide-angle camera.

As shown in the attached drawing 5, the left side traditional mirror surface rearview mirror is dazzling, accidents easily occur, the right side anti-dazzling effect is ideal, influences on drivers can not be caused, and driving safety at night is effectively improved.

The above description is only for the specific embodiment of the novel invention, but the novel protection scope of the invention is not limited thereto, and any changes or substitutions which are not thought of through the inventive work should be covered within the novel protection scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (9)

1. An intelligence AI electronic rearview mirror which characterized in that: including host system, a plurality of display screen and multiunit camera, every group camera is installed respectively on the bottom cover shell of automobile rearview mirror, and the picture that the camera acquireed all transmits to the host system in through receiving module, and the picture is handled through host system and is generated panoramic video image to transmit to the display screen and show, and the camera passes through the host system and links with the indicator about the car, and the in-process control camera that the car was turned carries out the rotation of angle.

2. The intelligent AI electronic rearview mirror of claim 1, wherein: the host module comprises an AI processing module, an editing processing module, a communication transceiving module and a wireless module, the image acquired by the camera is subjected to visual processing through an ADAS algorithm carried in the AI processing module, the visual processing function comprises zooming, distortion correction, image masking and optical flow detection, the processed image is integrated through the editing processing module to form a panoramic video image, and the panoramic video image is transmitted to the display screen through the wireless module;

the camera is connected with an automobile bus inside the automobile through the communication transceiving module.

3. The intelligent AI electronic rearview mirror of claim 2, wherein: the AI processing module is model WT8911, WT8911 being an advanced driver assistance system processor.

4. The intelligent AI electronic rearview mirror of claim 2, wherein: the model of the editing processing module is ELF2 in the FPGA series.

5. The intelligent AI electronic rearview mirror of claim 2, wherein: the signal of the communication transceiver module is a BD41044FJ-C vehicle-mounted CAN FD transceiver.

6. The intelligent AI electronic rearview mirror of claim 2, wherein: the signal of the wireless module is ESP8266.

7. The intelligent AI electronic rearview mirror of claim 1, wherein: every group camera all is equipped with two, and the camera lens of a camera sets up towards the rear of a vehicle, and the camera lens of another camera sets up towards the front wheel, and the picture processing stack that two cameras were shot forms panoramic video image.

8. The intelligent AI electronic rearview mirror of claim 1, wherein: the sensing chip of the camera adopts Sony IMX290/IMX307.

9. The intelligent AI electronic rearview mirror of claim 1, wherein: the camera lens of camera all is 45 angles and shoots, and the lens of camera is glass material and makes.

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