Sensor-detection-based camera flicker elimination method and device

Abstract

The invention provides a sensor-detection-based camera flicker elimination method and device. The method comprises: S1, carrying out ambient light signal sampling; S2, outputting original image data;S3, extracting the ambient light sampling signal; S4, determining an ambient light scintillation frequency; S5, updating a frame rate of a camera; and S6, updating an exposure frequency of the sampling row of the ambient light signal according to the frame rate of the camera and returning to the step of ambient light signal sampling. Therefore, the interference of light with different scintillation frequencies and interference of light with superposed scintillation frequencies can be suppressed; the video image is kept to be stable; and the image quality is improved.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a camera flicker elimination method and device based on sensor detection. Background technique [0002] There are more and more applications of cameras in cars, such as reversing rear view devices, 360 panoramic surround view devices, streaming media interior rearview mirrors, streaming media exterior rearview mirrors, driving recorders, etc. With the development of autopilot technology, there are increasingly higher requirements for anti-jamming cameras. The intersections of urban roads are full of red street lights and traffic monitoring lights. When a car stops at the intersection or passes slowly, the flickering of the lights will interfere with the imaging of the camera, resulting in ripple-like interference in the video, which in turn leads to a decrease in camera performance. . [0003] The current camera interference suppression solution is only effecti...

AI Technical Summary

Problems solved by technology

The intersections of urban roads are full of red street lights and traffic monitoring lights. When a car stops at the intersection or passes slowly, the flickering of the lights will interfere with the imaging of the camera, resulting in ripple-like interference in the video, which in turn leads to a decrease in camera performance.

[0003] The current camera interference suppression solution is only effective for 50Hz AC lights, but urban street lights generally use LED lights and xenon lights, and the operating frequency ranges from 100 to 200Hz, so it is difficult for the camera to filter out such interference

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