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Video-shot cut detection and key frame extraction
4.0
The key frame detection video camera switching The basic idea is to detect shot cuts: Comparison of two frames before and after the video gray difference, if the difference exceeds a threshold of two frames, then converts the video camera, and to the frames as key frames saved. Define the corresponding pointers and structures Initialize pointers and structures Calculating the difference between the front and rear video gray two frames Comparing the difference between the two frames and the gray threshold value, exceeds the threshold value, then it is determined that the key frame is stored Wherein the threshold size is adjusted according to the video case
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