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http://dx.doi.org/10.5909/JBE.2009.14.6.661

A Novel Video Copy Detection Method based on Statistical Analysis  

Cho, Hye-Jeong (VIA-Multimedia Center at Kwangwoon University)
Kim, Ji-Eun (VIA-Multimedia Center at Kwangwoon University)
Sohn, Chae-Bong (VIA-Multimedia Center at Kwangwoon University)
Chung, Kwang-Sue (VIA-Multimedia Center at Kwangwoon University)
Oh, Seoung-Jun (VIA-Multimedia Center at Kwangwoon University)
Publication Information
Journal of Broadcast Engineering / v.14, no.6, 2009 , pp. 661-675 More about this Journal
Abstract
The carelessly and illegally copied contents are raising serious social problem as internet and multimedia technologies are advancing. Therefore, development of video copy detection system must be settled without delay. In this paper, we propose the hierarchical video copy detection method that estimates similarity using statistical characteristics between original video and manipulated(transformed) copy video. We rank according to luminance value of video to be robust to spacial transformation, and choose similar videos categorized as candidate segments in huge amount of database to reduce processing time and complexity. The copy videos generally insert black area in the edge of the image, so we remove rig black area and decide copy or not by using statistical characteristics of original video and copied video with center part of frame that contains important information of video. Experiment results show that the proposed method has similar keyframe accuracy to reference method, but we use less memory to save feature information than reference's, because the number of keyframes is less 61% than that of reference's. Also, the proposed method detects if the video is copied or not efficiently despite expansive spatial transformations such as blurring, contrast change, zoom in, zoom out, aspect ratio change, and caption insertion.
Keywords
Content-based video copy detection; Keyframe selection; Hypothesis test;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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