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Real-time shot cut detection in compressed domain

Main information
In this short paper, we propose a fast and simple shot cut detection algorithm, which directly operates in compressed domain and suitable for real-time implementation. The proposed algorithm exploits the existing MPEG techniques by examining the prediction status for each macro-block inside B frames and P frames. As a result, locating both abrupt and dissolved shot cuts is operated by a sequence of comparison tests, and 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: (i) balance between forward prediction and backward prediction; and (ii) boundaries among P, B and I frames. Extensive experiments illustrate that the proposed algorithm outperforms similar existing algorithm, providing a useful technique for fast and on-line video content processing. 
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WP5: Detection, Extraction and Annotation of Knowledge. 
School of Informatics University of Bradford  Jianmin Jiang 
2008-03-05 23:49  Request for more detail


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For educational purposes only - if public document.  For educational purposes only - if public document. 


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Copyright School of Informatics, University of Bradford.  Patent Protection not sought. 
Licensing Protection not sought.  Utility Model Protection not sought. 
 
Accepted for publication in: Journal of Electronic Imaging, SPIE 
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