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基于时序特征的视频相似性匹配算法

Keywords: 视频信号处理,基于内容的检索,查询视频,时序特征,梯度方法,动态规划

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Abstract:

针对视频亮度整体漂移、突变干扰、视频再编辑引起的帧率变化问题,提出了采用视频时序特征来描述视频内容,描述了视频的时间、空间信息.采用梯度匹配算法和改进的动态时间规划算法进行相似性匹配.实验采用了80段广告视频和200段再编辑视频对算法进行检测,结果证明了算法的有效性和鲁棒性.

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