ISSN: 1673-825X    Imprint: Chongqing University of Posts and Telecommunications Journal
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Scene change detection in video stream based on Bhattacharyya distance
Received:March 08, 2008  
中文关键词:场景变化检测  特征向量距离  巴氏距离  卡方距离
英文关键词:scene change detection  feature vector distance  Bhattacharyya distance  Chi-square distance
Author NameAffiliation
SHEN Bi-chuan, MAO Qi-jian, LV Yi Mobile Telecommunications College, Chongqing University of Posts and Telecommunications, Chongqing 400065, P.R. China 
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      This paper studies statistics based scene change detection in the video streaming scenario, and three scene feature metrics including histogram distance, chi-square distance, and Bhattacharyya distance have been investigated. With the unique characteristics of triangular inequality and non-singularity, Bhattacharyya distance has been proposed as a viable scene change metrics. It outperforms much better than the other two in that it calculates and maximizes the feature vector distance between multi-modal clusters in a hyper-sphere space. The experiments are conducted and the precision recall statistics are compared, and the results support our analysis.
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