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Efficient Spatiotemporal Matching for Video Copy Detection in H.264/AVC Video

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Executive Summary

This paper proposes an efficient video copy detection method for the H.264/AVC standard. The mechanism is based on Content Based Copy Detection (CBCD). The proposed method divides each frame within a group of three consecutive frames into a grid. Each corresponding grid across these groups of frames is then sorted in an ordinal vector which describes both, the spatial as well as the temporal variation. This ordinal matrix based copy-detection scheme is effective in detecting not only a copied video clip but also its location within a longer video sequence. The technique has been designed to work in the compressed domain which makes it computationally very efficient.

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