I am trying to use a USB webcam for a computer vision project that outputs the diminations of moving object. I installed openCV and tried my python code which it worked perfect on my PC, but when I ran it in my raspberry pi and the output was unexpected so I took a video output with cv2.imshow("video output", frame) to see whats going on and saw some thing strange. the video was flickering with some part red and some part blue.
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It turns out that the problem was from the video source. The webcam was not compatible with OpenCV Although it worked with some other computer video input package very well