CN216034095U - Back-up imaging device based on compound eye - Google Patents
Back-up imaging device based on compound eye Download PDFInfo
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- CN216034095U CN216034095U CN202120415546.9U CN202120415546U CN216034095U CN 216034095 U CN216034095 U CN 216034095U CN 202120415546 U CN202120415546 U CN 202120415546U CN 216034095 U CN216034095 U CN 216034095U
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 31
- 238000003384 imaging method Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 claims abstract description 14
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- 230000004927 fusion Effects 0.000 claims description 24
- 238000007781 pre-processing Methods 0.000 claims description 18
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Abstract
The utility model adopts a compound-eye-based reversing image device, which belongs to the field of automobiles, and comprises a metal shell and rubber, wherein the rubber is used for protecting a camera with a long-focus lens and a camera with a short-focus lens; the controller module is coupled to the compound eye camera device and the display screen, receives a gear signal sent by the automobile control lever, processes an image shot by the compound eye camera device and transmits the processed image to the display screen; the power supply supplies power for compound eye camera device, controller module and display screen, and the image that obtains on the display screen has high resolution and high fidelity, and the driver can accurately judge the distance of rear of a vehicle and rear barrier through the image, distinguishes the barrier in the image fast and notices the moving target that gets into suddenly rapidly, and the parking of supplementary driver safety and high efficiency avoids accident's emergence.
Description
Technical Field
The utility model belongs to the field of automobiles, and particularly relates to a reversing imaging device based on compound eyes.
Background
The existing parking auxiliary system on the market mainly comprises a reversing radar and a reversing image, wherein the reversing radar identifies obstacles through sound waves; the reverse image is usually shot by a wide-angle lens so as to obtain a larger rear view angle of the vehicle.
The reversing radar can only sense the obstacle on the same horizontal plane with the reversing radar, and if the obstacle behind the reversing radar is lower than the radar, the radar cannot sense the obstacle, so that potential safety hazards exist; the reverse image is shot by a wide-angle lens, so that the image is distorted, and the accurate judgment of the distance between the vehicle and the barrier by a driver is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model considers a compound eye-based reversing image, which can obtain a larger vehicle rear view angle, ensure the authenticity and high resolution of the image, facilitate the driver to accurately judge the distance between the vehicle and the barrier, and simultaneously, the compound eye is particularly sensitive to the dynamic state, when the driver has a moving target in the vehicle-entering process, the driver can quickly perceive the moving target from the image and take safety measures in time; the utility model also identifies the obstacles in the image by the image identification technology and marks the obstacles by a red line frame; the utility model also sets a distance auxiliary line according to the intention of the driver, and assists the driver to park safely and efficiently.
In order to realize the purpose, the utility model is realized by adopting the following technical scheme: the reversing image device comprises a metal shell 1, rubber 2, a compound eye camera device 3, a controller module 4 and a display screen 5, wherein the compound eye camera device 3 comprises a plurality of cameras with long focal lenses and cameras with short focal lenses, the metal shell 1 is used for protecting the lenses of the cameras, the rubber 2 is used for fixing the lenses of the cameras, and the compound eye camera device 3 is arranged in the middle of a rear bumper of an automobile; the controller module 4 is coupled to the compound eye camera 3 and the display screen 5, receives a gear signal sent by the automobile control lever, processes an image shot by the compound eye camera 3 and transmits the processed image to the display screen 5; the power supply supplies power to the compound-eye camera device 3, the controller module 4 and the display screen 5.
Preferably, the controller module 4 includes a filter circuit 6, a DC-DC circuit 7, a video buffer circuit 8, a video processing circuit 9, an image recognition unit 10 and a processor 11, the processor 11 receives a signal sent by the compound eye imaging device 3 and then sends the signal to an image fusion circuit 14, the image fusion circuit 14 fuses the image and sends the signal to the image recognition unit 10, the image recognition unit 10 recognizes an obstacle and sends the signal to the video processing circuit 9, the video processing circuit 9 sends the signal to the video buffer circuit 8 after processing the signal, and the video buffer circuit 8 sends the signal to the display screen 5 for displaying; the DC-DC circuit 7 converts the voltage provided by the power supply into a proper power supply voltage, and then the proper power supply voltage is filtered by the filter circuit 6 to remove ripples and noise.
Preferably, the processor 11 is integrated with a PCB board of a long-focus video processing circuit 12, a short-focus video processing circuit 13, an image fusion circuit 14, an image processing circuit 15, and a reset circuit, where the long-focus video processing circuit 12 and the short-focus video processing circuit 13 are used for image acquisition and processing, converting the acquired optical signals into electrical signals, the image fusion circuit 14 is used for image synthesis, and the reset circuit is used for electrical reset.
Preferably, the image fusion circuit 14 integrates image registration, image preprocessing and image fusion, the image registration registers the images acquired by the 7 cameras, the signals are sent to the image preprocessing after the registration, and the image fusion module performs the image fusion after the image preprocessing.
Preferably, the image recognition unit 10 is integrated with an image preprocessing module, an image coding module, an image detection module, an image feature extraction module, a database and a control unit, the image preprocessing module performs global preprocessing on the image, the image coding module performs coding compression on the image, the image detection module performs obstacle detection to obtain an obstacle in the preprocessed image, the image feature extraction module performs feature extraction on the image after the obstacle is detected, the database stores an obstacle image which is common in the process of backing up, the control unit compares the image with the obstacle with the image in the database, and the image with high obstacle similarity is calibrated and then sent to the image processing circuit 15.
Preferably, the image processing circuit 15 marks an obstacle and an auxiliary line for a distance set according to the intention of the driver on the image processed by the image recognition unit 10, increases the contrast of the obstacle and the brightness of the image, and displays corresponding information in the output video.
The utility model has the beneficial effects that:
the utility model can obtain a larger rear view angle of the vehicle, can ensure the authenticity and high resolution of the image, is convenient for a driver to accurately judge the distance between the vehicle and an obstacle, is particularly sensitive to the dynamic state, and can quickly sense a moving target from an image and take safety measures in time when the driver arrives at the vehicle and the moving target appears; the utility model also identifies the obstacles in the image by the image identification technology and marks the obstacles by a red line frame; the utility model also sets a distance auxiliary line according to the intention of the driver, and assists the driver to park safely and efficiently.
Drawings
Fig. 1 is a diagram of a compound eye camera device;
FIG. 2 is a block diagram of a controller connection;
FIG. 3 is a connection diagram of the modules of the image fusion circuit 14;
FIG. 4 is a connection diagram of the modules of the image recognition unit 10;
FIG. 5 is a controller module schematic;
FIG. 6 is a schematic diagram of a video processing circuit;
in the figure, 1-metal shell, 2-rubber, 3-compound eye camera device, 4-controller module, 5-display screen, 6-filter circuit, 7-DC-DC circuit, 8-video buffer circuit, 9-video processing circuit, 10-image recognition unit, 11-processor, 12-long focus video processing circuit, 13-short focus video processing circuit, 14-image fusion circuit and 15-image processing circuit.
Detailed Description
In order to facilitate the understanding and implementation of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the accompanying drawings and specific embodiments
The reversing image device comprises a metal shell 1, rubber 2, a compound eye camera device 3, a controller module 4 and a display screen 5, wherein the compound eye camera device 3 comprises a plurality of cameras with long focal lenses and cameras with short focal lenses, the metal shell 1 is used for protecting the lenses of the cameras, the rubber 2 is used for fixing the lenses of the cameras, and the compound eye camera device 3 is arranged in the middle of a rear bumper of an automobile; the controller module 4 is coupled to the compound eye camera 3 and the display screen 5, receives a gear signal sent by the automobile control lever, processes an image shot by the compound eye camera 3 and transmits the processed image to the display screen 5; the power supply supplies power to the compound-eye camera device 3, the controller module 4 and the display screen 5.
The controller module 4 comprises a filter circuit 6, a DC-DC circuit 7, a video cache circuit 8, a processor 11, a video processing circuit 9 and an image recognition unit 10, wherein the processor 11 acquires and processes signals at the compound eye camera 3 and then sends the signals to the image recognition unit 10, the signals are sent to the video processing circuit 9 after the obstacle recognition is carried out by the image recognition unit 10, the signals are sent to the video cache circuit 8 after the obstacle contrast and brightness labeling and the distance auxiliary line labeling are carried out by the video processing circuit 9, and the videos are sent to the display screen 5 by the cache circuit for display; the DC-DC circuit 7 converts the voltage provided by the power supply into a suitable power supply voltage, and then the power supply voltage is filtered by the filter circuit 6 to remove ripples and noise, and the connection relationship of the circuit modules is shown in fig. 2.
The processor 11 adopts an ARM system embedded system processor and is integrated with a PCB board of a long-focus video processing circuit 12, a short-focus video processing circuit 13, an image fusion circuit 14, an image processing circuit 15 and a reset circuit, the long-focus video processing circuit 12 processes signals sent by a camera with a long-focus lens, the short-focus video processing circuit 13 processes signals sent by the camera with the short-focus lens and sends the processed signals to the image fusion circuit 14, and the image fusion circuit 14 processes and fuses images and sends the fused signals to the image recognition unit 10.
The connection relationship of each module of the image fusion circuit 14 is shown in fig. 3, the image registration is performed on the images collected by the 7 cameras and then sent to the image preprocessing, the image preprocessing is performed on the images globally, then the signals are sent to the image fusion, and the signals are sent to the image recognition unit 10 after the images are fused.
The connection relationship of the modules of the image recognition unit 10 is shown in fig. 4, and the image recognition unit 10 includes an image preprocessing module, an image encoding module, an image detection module, an image feature extraction module, a database and a control unit. The image preprocessing module preprocesses the fused image, eliminates interference information in the image and recovers useful real information in the preprocessing process, sends a signal to the image coding module after the image preprocessing is finished, the image coding module codes and compresses the preprocessed image to remove redundancy of space and time dimensions in the video and facilitate transmission and storage of the video, the image detection module detects obstacles on the image and then sends the detected obstacles to the image feature extraction module, the image feature extraction module extracts features of the detected obstacles, the database stores images of common obstacles, the controller is electrically connected with the database and the image feature extraction module, the controller compares the images after feature extraction with the images in the database and then sends the images with high similarity to the image processing circuit 15, for convenience of explanation, if the intention of the driver is to mark red, yellow, and green auxiliary lines at distances of 20cm, 50cm, and 1m from the vehicle body, the image processing circuit 15 may mark red, yellow, and green auxiliary lines at distances of 20cm, 50cm, and 1m from the vehicle body, respectively, in the output video.
The utility model has the beneficial effects that: by arranging the compound eye camera device 3 and the controller module 4 and by the image fusion circuit 14, the image recognition unit 10 and the image processing circuit 15, images collected by the camera are fused, recognized and processed, so that the problem that conventional reversing radar and reversing images cannot be comprehensively and clearly transmitted to the information behind the vehicle of a driver is solved, a larger viewing angle behind the vehicle can be provided for the driver in the reversing process, and the images are more clear and real; meanwhile, giving early warning to the driver about obstacles and distances; meanwhile, the compound eye camera 3 is particularly sensitive to dynamic objects, and the shot images can clearly display moving targets, help the driver quickly distinguish pedestrians or other moving targets suddenly appearing at the rear from the images, and timely take safety measures; meanwhile, the distance auxiliary line can be marked on the output image according to the intention of the driver, so that the driver is assisted to park safely and efficiently.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technical scope of the present invention without departing from the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a back a car image device based on compound eye which characterized in that: the reversing image device comprises a metal shell (1), rubber (2), a compound eye camera device (3), a controller module (4), a display screen (5) and a power supply, wherein the compound eye camera device (3) comprises a plurality of cameras with long-focus lenses and cameras with short-focus lenses, the metal shell (1) is used for protecting the camera lenses, the rubber (2) is used for fixing the camera lenses, and the compound eye camera device (3) is arranged in the middle of a rear bumper of an automobile; the controller module (4) is coupled with the compound eye camera device (3) and the display screen (5), receives a gear signal sent by the automobile control lever, processes an image shot by the compound eye camera device (3) and then transmits the processed image to the display screen (5); the power supply supplies power to the compound eye camera device (3), the controller module (4) and the display screen (5), the controller module (4) comprises a filter circuit (6), a DC-DC circuit (7), a video buffer circuit (8), a video processing circuit (9), an image identification unit (10) and a processor (11), the processor (11) receives the signal sent by the compound eye camera device (3), then sends the signal to an image fusion circuit (14), the image fusion circuit (14) fuses the images and sends the signal to an image recognition unit (10), the image recognition unit (10) recognizes the obstacle and then sends the signal to the video processing circuit (9), the video processing circuit (9) processes the signal and then sends the signal to the video cache circuit (8), and the video cache circuit (8) sends the signal to the display screen (5) for displaying; the DC-DC circuit (7) converts the voltage provided by the power supply into a proper power supply voltage, and then the proper power supply voltage is filtered by the filter circuit (6) to remove ripples and noise.
2. The compound-eye-based car backing imaging device according to claim 1, wherein: the PCB board that processor (11) integration has long burnt video processing circuit (12), short burnt video processing circuit (13), image fusion circuit (14), image processing circuit (15), reset circuit, long burnt video processing circuit (12), short burnt video processing circuit (13) are used for image acquisition and processing, convert the light signal who gathers into the signal of telecommunication, and image fusion circuit (14) are used for the image to synthesize, and reset circuit is used for the electrical reset.
3. The compound-eye-based car backing imaging device according to claim 2, wherein: the image fusion circuit (14) integrates image registration, image preprocessing and image fusion, the image registration registers images collected by the seven cameras, signals are sent to the image preprocessing after the registration, and the image fusion module performs image fusion after the image preprocessing.
4. The compound-eye-based car backing imaging device according to claim 3, wherein: the image recognition unit (10) is integrated with an image preprocessing module, an image coding module, an image detection module, an image feature extraction module, a database and a control unit, the image preprocessing module performs global preprocessing on images, the image coding module performs coding compression on the images, the image detection module performs obstacle detection to obtain obstacles in the preprocessed images, the image feature extraction module performs feature extraction on the images after the obstacles are detected, obstacle images which are common in the reversing process exist in the database, the control unit compares the images with the obstacles with the images in the database, and the images with high obstacle similarity are calibrated and then sent to the image processing circuit (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415546.9U CN216034095U (en) | 2021-02-25 | 2021-02-25 | Back-up imaging device based on compound eye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120415546.9U CN216034095U (en) | 2021-02-25 | 2021-02-25 | Back-up imaging device based on compound eye |
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| Publication Number | Publication Date |
|---|---|
| CN216034095U true CN216034095U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120415546.9U Expired - Fee Related CN216034095U (en) | 2021-02-25 | 2021-02-25 | Back-up imaging device based on compound eye |
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| Country | Link |
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| CN (1) | CN216034095U (en) |
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2021
- 2021-02-25 CN CN202120415546.9U patent/CN216034095U/en not_active Expired - Fee Related
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