Journal of the Institute of Electronics Engineers of Korea SP (대한전자공학회논문지SP)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Performance Evaluation of New Signatures for Video Copy Detection

비디오 복사방지를 위한 새로운 특징들의 성능평가

  • 현기호 (영산 대학교 컴퓨터정보공학부)
  • Published : 2003.01.01
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Abstract

Video copy detection is a complementary approach to watermarking. As opposed to watermarking, which relies on inserting a distinct pattern into the video stream, video copy detection techniques match content-based signatures to detect copies of video. Existing typical content-based copy detection schemes have relied on image matching. This paper proposes two new sequence matching techniques for copy detection and compares the performance with color techniques that is the existing techniques. Motion, intensity and color-based signatures are compared in the context of copy detection. Comparison of experimental results are reported on detecting copies of movie clips.

비디오 복사 방지(video copy detection)는 기존의 워터마킹 방법과 반대의 개념으로, 비디오 스트림에 독특한 패턴을 첨가하는 워터마킹에 비해, 비디오 복사 방지 기법은 비디오의 복사판을 검출하기 위해 패턴을 첨가하지 않고 비디오의 내용 기반 특징(content-based signature)을 비교한다. 기존의 일반적인 내용 기반 복사 방지방법은 이미지 정합을 사용하였으나, 본 논문은 비디오 복사방지를 위해 가능한 두 가지의 새로운 순서정합(sequence matching) 알고리즘을 제안하고, 기존의 방법 중 칼라 정합 방법과 성능을 비교 분석하였다. 모션, 명암도와 칼라 기반 특징을 복사 방지 관점에서 비교하고, 영화클립에 대해 실험한 결과를 제시한다.

Keywords

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