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Real-time shot-cut detection in a compressed domain

[+] Author Affiliations
Jianmin Jiang

Southwest University, Faculty of Computing and Information Sciences, Chong Qing, China 400715

and University of Bradford, School of Informatics, Bradford, BD7 1DP, United Kingdom

Zhengmin Li

Guangdong Polytechnic Normal University, Guangdong Industry Training Centre, Guangzhou, GuangDong, China 510665

Gugoqiang Xiao

Southwest University, Faculty of Computing and Information Sciences, Chong Qing, China 400715

Juan Chen

University of Bradford, School of Informatics, Bradford, BD7 1DP, United Kingdom

J. Electron. Imaging. 16(4), 043011 (November 29, 2007). doi:10.1117/1.2812550
History: Received October 17, 2006; Revised June 08, 2007; Accepted June 23, 2007; Published November 29, 2007
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We propose a fast and simple shot-cut detection algorithm, which directly operates in a compressed domain and is suitable for real-time implementation. The proposed algorithm exploits the existing MPEG techniques by examining the prediction status for each macro-block inside the B and P frames. As a result, locating both abrupt and dissolved shot cuts is operated by a sequence of comparison tests; thus, no feature extraction or histogram differentiation is needed. Although the description of the algorithm is primarily based on MPEG-1 and MPEG-2 streams, the scheme can be readily extended to other video compression standards such as MPEG-4 and H.264 by following the principle on monitoring: (1) balance between forward prediction and backward prediction; and (2) boundaries among the P, B, and I frames. Extensive experiments illustrate that the proposed algorithm outperforms similar existing algorithms, providing a useful technique for fast and online video content processing.

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© 2007 SPIE and IS&T

Citation

Jianmin Jiang ; Zhengmin Li ; Gugoqiang Xiao and Juan Chen
"Real-time shot-cut detection in a compressed domain", J. Electron. Imaging. 16(4), 043011 (November 29, 2007). ; http://dx.doi.org/10.1117/1.2812550


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