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Video Copy Detection Based on Spatio-Temporal Feature
Author(s): 
Pages: 230-236
Year: Issue:  2
Journal: Pattern Recognition and Artificial Intelligence

Keyword:  视频拷贝检测 时空域特征 最大稳定极值块(MSEB) 三维不变矩;
Abstract: 提出一种仿射不变、紧致的视频时空域特征,并基于该特征进行视频拷贝检测.该方法着眼于宏观的特征同样可较好地表征视频,并且宏观特征更符合人类视觉的感知特点.首先将视频的若干连续帧堆叠成一个三维视频块;然后使用地形中分水岭的概念在视频块中检测出若干最大稳定极值块(MSEB);接着用一系列三维不变矩作为视频时空域特征来表征这些MSEB;最后,基于这些视频时空域特征来进行视频拷贝检测.实验表明,该方法与其它方法相比,检测精度和特征匹配速度均有大幅提升.
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