›› 2012, Vol. ›› Issue (03): 754-758.
尹建芹1, 王晶晶2, 李金屏1
YIN Jian-qin1, WANG Jing-jing2, LI Jin-ping1
摘要: 提出了基于累积差熵的时空特征点检测算法。首先利用周期性时空检测方法检测视频的关键特征点;然后提出了视频累积差熵的概念,用累积差熵作为特征点的评价准则;以该准则为基础,选择具有累积差熵大的特征点作为关键点,并对关键视频进行聚类,得到关键视频的原型特征。实验结果表明:本文方法可以简单有效地去除非运动信息得到的关键点,可以较好地用于动作识别、表情识别等视频分析领域。
中图分类号:
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