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The exponential growth of web videos brings content based copy detection into a crucial issue. Besides the image information, audio also plays an important role in copy detection. In this paper, the audio-based copy detection framework is introduced. Three contributions are presented: (1) the band energy difference based feature is improved by adding multi-scale information, which extends the candidate...
In this paper a modified sports genre categorization framework is presented. The view type of close-up is detected as domain knowledge before categorization on large scale database. Close-up views occupy more than 1/3 of the duration of a sport match depending on its genre, and appears almost the same in various genres, which largely affected the performance of sports genre categorization. The presented...
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