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Signature Extraction Method from H.264 Compressed Video  

Kim, Sung-Min (Dept. of Electronics Engineering, Dongguk University)
Kwon, Yong-Kwang (Dept. of Electronics Engineering, Dongguk University)
Won, Chee-Sun (Dept. of Electronics Engineering, Dongguk University)
Publication Information
Abstract
This paper proposes a compressed domain signature extraction method which can be used for CBCD (Content Based Copy Detection). Since existing signature extraction methods for the CBCD are executed in spatial domain, they need additional computations to decode the compressed video before the signature extraction. To avoid this overhead, we generate a thumbnail image directly from the compressed video without full decoding. Then we can extract the video signature from the thumbnail image. Experimental results of extracting brightness ordering information as the signature for CBCD show that our proposed method is 2.8 times faster than the spatial domain method while maintaining 80.98% accuracy.
Keywords
H.264/AVC; Video Signature; Video Identifier; Content Based Copy Detection;
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Times Cited By KSCI : 1  (Citation Analysis)
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