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In view of the current pre-specified threshold clustering algorithm to extract key frames, the use of MPEG-7 standard descriptors of the main color on the video frame to describe to the lens inside the adjacent two of the similarity measure for data samples adaptively clustering to determine the required threshold and the threshold to guide similar video key frame extraction, improve the efficiency of key frame extraction.
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基于自适应阈值的聚类算法提取关键帧研究.pdf