CN-122008821-A - Intelligent vision protection method, device, equipment and storage medium for relieving vehicle high beam glare

CN122008821ACN 122008821 ACN122008821 ACN 122008821ACN-122008821-A

Abstract

The application discloses an intelligent vision protection method, device, equipment and storage medium for relieving the glare of a vehicle high beam, relating to the technical field of new energy automobiles and comprising the steps of acquiring front image information of a vehicle and relative motion information of the vehicle; the method comprises the steps of identifying point-shaped strong light sources exceeding a predefined light field intensity threshold value based on the vehicle front image information, determining point-shaped strong light source information, predicting a projection protection area of the corresponding point-shaped strong light sources on a transparent member of a vehicle based on the point-shaped strong light source information and the vehicle relative motion information, determining projection protection area information, and controlling at least one matrix dimming unit in the transparent member of the vehicle to adjust light transmittance based on the projection protection area information. According to the application, the punctiform strong light source exceeding the threshold value is identified, the projection area on the transparent member of the vehicle is predicted, and the corresponding matrix dimming unit is controlled to adjust the light transmittance, so that the glare is dynamically shielded, the precise vision protection is realized, and the night driving safety is improved.

Inventors

YANG SHIGANG
ZHANG JINZHOU
JIANG WENHAI
LIN HOUXING
WU LIUYI
TANG JIFENG
SHI CONG
SU HAIYUAN
QIN HAOXIANG
MENG YUZHEN
SHEN GUODONG

Assignees

东风柳州汽车有限公司

Dates

Publication Date: 20260512
Application Date: 20260211

Claims (10)

1. An intelligent vision protection method for alleviating glare of a high beam of a vehicle, the method comprising: Acquiring front image information and relative motion information of a vehicle; Identifying point-shaped strong light sources exceeding a predefined light field intensity threshold based on the vehicle front image information, and determining point-shaped strong light source information; Predicting a projection protection area of the corresponding point-shaped strong light source on a transparent member of the vehicle based on the point-shaped strong light source information and the vehicle relative motion information, and determining projection protection area information; And controlling at least one matrix dimming unit in the transparent member of the vehicle to adjust the light transmittance based on the projection protection area information.
2. The method of claim 1, wherein the step of identifying punctual high light sources exceeding a predefined light field intensity threshold based on the vehicle front image information, the step of determining punctual high light source information comprising: Performing brightness threshold segmentation and spot contour extraction on the punctiform strong light source exceeding the predefined light field intensity threshold through an image processing algorithm, and determining light field strong light source information; Performing motion tracking on the position and the motion state of the point-shaped strong light source of the corresponding headlight light source of the opposite vehicle based on the light field strong light source information, and determining the point-shaped strong light source position information and the point-shaped strong light source motion information; And obtaining point-shaped strong light source information based on the point-shaped strong light source position information and the point-shaped strong light source motion information.
3. The method of claim 2, wherein the step of performing motion tracking of the position and motion state of the point-like intense light source of the corresponding headlight light source of the oncoming vehicle based on the light field intense light source information, and determining the point-like intense light source position information and the point-like intense light source motion information includes: mapping the position of the corresponding strong light source in the image coordinate system into the physical coordinate system of the corresponding vehicle transparent member based on the light field strong light source information, and determining target strong light source conversion information, wherein the target strong light source conversion information comprises a target strong light source size, a target strong light source shape, a target strong light source brightness change and a target strong light source movement track; And carrying out motion tracking on the position and the motion state of the point-shaped strong light source of the corresponding headlight light source of the opposite vehicle based on the target strong light source conversion information to obtain the point-shaped strong light source position information and the point-shaped strong light source motion information.
4. The method of claim 1, wherein the step of predicting a projected area of the corresponding point-like intense light source on a transparent member of the vehicle based on the point-like intense light source information and the vehicle relative motion information, the step of determining projected area information comprises: Predicting the expected positions of the punctiform strong light sources corresponding to the punctiform strong light source information and the vehicle relative motion information on the transparent member of the vehicle within a predefined time length through a motion prediction algorithm, and determining the expected position information of the transparent member; And predicting the boundary of the area to be dimmed in the corresponding projection protection area based on the expected position information of the transparent member to obtain projection protection area information.
5. The method of claim 1, wherein the step of controlling at least one matrix dimming unit in a transparent member of the vehicle to adjust light transmittance based on the projected protection area information comprises: Mapping the position and the size of the corresponding punctiform strong light source into corresponding dimming control signals based on the projection protection area information; and controlling at least one matrix dimming unit in the transparent member of the vehicle to adjust the light transmittance based on the dimming control signal.
6. The method of claim 5, wherein the step of mapping the corresponding punctiform strong light source locations and sizes to corresponding dimming control signals based on the projected protection area information comprises: Mapping the corresponding punctiform strong light source position and size to a driving coordinate system of a matrix type dimming unit array corresponding to a transparent member of a vehicle based on the projection protection area information, and determining projection protection area mapping information, wherein the dimming unit array comprises a plurality of dimming units capable of independently controlling light transmittance; And generating a corresponding dimming control signal based on the projection protection area mapping information.
7. The method of claim 5, wherein after the step of controlling at least one matrix dimming unit in a transparent member of the vehicle to adjust light transmittance based on the dimming control signal, further comprising: acquiring real-time tracking information of a punctiform strong light source; Adjusting the dimming control signal based on the point-shaped strong light source real-time tracking information to determine a dimming recovery control signal; and controlling the matrix dimming units in the transparent members in the corresponding areas of the vehicle to restore the initial light transmittance based on the dimming restoration control signal.
8. An intelligent vision protection device for reducing glare from a high beam of a vehicle, the device comprising: The acquisition module is used for acquiring the front image information of the vehicle and the relative motion information of the vehicle; The processing module is used for identifying the punctiform strong light sources exceeding a predefined light field intensity threshold value based on the vehicle front image information and determining punctiform strong light source information; The processing module is also used for predicting the projection protection area of the corresponding point-shaped strong light source on the transparent member of the vehicle based on the point-shaped strong light source information and the vehicle relative motion information, and determining the projection protection area information; and the execution module is used for controlling at least one matrix dimming unit in the transparent member of the vehicle to adjust the light transmittance based on the projection protection area information.
9. An intelligent vision protection device for reducing glare in a vehicle high beam, the device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program being configured to implement the steps of the intelligent vision protection method for reducing glare in a vehicle high beam as claimed in any one of claims 1 to 7.
10. A storage medium, characterized in that the storage medium is a computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, realizes the steps of the intelligent vision protection method for alleviating glare of high beam lights of vehicles according to any one of claims 1 to 7.

Description

Intelligent vision protection method, device, equipment and storage medium for relieving vehicle high beam glare Technical Field The application relates to the technical field of new energy automobiles, in particular to an intelligent vision protection method, device, equipment and storage medium for relieving glare of a high beam of a vehicle. Background In night driving, the high beam lamp is turned on to the vehicle to cause strong direct glare, so that the driver can instantly see fuzzy vision and can not clearly identify the front road condition, the traffic accident risk is obviously improved, and effective measures are required to be taken to relieve or eliminate the interference of the dynamic strong light source on the sight of the driver in order to ensure the driving safety and the visual comfort during night meeting. The prior art reduces the influence of high beam glare by globally reducing the light incoming quantity or shielding in a large range, for example, a fixed shading area is configured on a vehicle, an anti-glare rearview mirror capable of being switched manually is adopted, a driver is relied on to actively avoid the sight line or wear an integral dimming glasses and the like so as to weaken the integral light incoming intensity or avoid a strong light area, however, the prior art cannot track and accurately shield a movable punctiform strong light source in real time due to the non-directional and integral light intensity inhibition or shielding in a fixed range, so that the glare is eliminated, the visual field definition and the visual field of the non-strong light area of the driver are inevitably weakened, and the glare elimination of effective, real-time and normal driving visual field cannot be realized in the high-speed meeting process due to the fact that the manual judgment and operation are still dependent on response lag. Therefore, how to more accurately and effectively alleviate the glare interference caused by the high beam of the vehicle is a problem to be solved. The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present application and is not intended to represent an admission that the foregoing is prior art. Disclosure of Invention The application mainly aims to provide an intelligent vision protection method, device and equipment for relieving the glare of a vehicle high beam and a storage medium, and aims to solve the technical problem of how to more accurately and effectively relieve the glare interference caused by the vehicle high beam. In order to achieve the above object, the present application provides an intelligent vision protection method for alleviating glare of a high beam of a vehicle, the method comprising: Acquiring front image information and relative motion information of a vehicle; Identifying point-shaped strong light sources exceeding a predefined light field intensity threshold based on the vehicle front image information, and determining point-shaped strong light source information; Predicting a projection protection area of the corresponding point-shaped strong light source on a transparent member of the vehicle based on the point-shaped strong light source information and the vehicle relative motion information, and determining projection protection area information; And controlling at least one matrix dimming unit in the transparent member of the vehicle to adjust the light transmittance based on the projection protection area information. In an embodiment, the step of identifying punctiform strong light sources exceeding a predefined light field intensity threshold based on the vehicle front image information, the step of determining punctiform strong light source information comprises: Performing brightness threshold segmentation and spot contour extraction on the punctiform strong light source exceeding the predefined light field intensity threshold through an image processing algorithm, and determining light field strong light source information; Performing motion tracking on the position and the motion state of the point-shaped strong light source of the corresponding headlight light source of the opposite vehicle based on the light field strong light source information, and determining the point-shaped strong light source position information and the point-shaped strong light source motion information; And obtaining point-shaped strong light source information based on the point-shaped strong light source position information and the point-shaped strong light source motion information. In an embodiment, the step of performing motion tracking on the position and the motion state of the point-shaped strong light source of the corresponding headlight light source of the opposite vehicle based on the light field strong light source information, and determining the position information of the point-shaped strong light source and the motion information of the point-shaped stron