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Digital representations are widely used for audiovisual content, enabling the creation of large online repositories of video, allowing access such as video on demand. However, the ease of copying and distribution of digital video makes piracy a growing concern for content owners. We investigate methods for identifying coderivative video content-that is, video clips that are derived from the same original source. By using dynamic programming to identify regions of similarity in video signatures,doi:10.1145/1125857.1125858 fatcat:wcazyqxggrdprpao2tnte356fy