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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.6
- 수록면
- 796 - 806 (11page)
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초록· 키워드
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This paper presents a blind video watermarking algorithm that has the robustness against spatial, temporal, and SNR scalability and transcoding for the copyright protection of video contents in heterogeneous multimedia service. The proposed process of watermark embedding and detecting is accomplished on base layer for considering spatial scalability. The watermark consists of the string and the ordering number of string for considering temporal scalability. Thus, each of frames has the bitstream of one character and a ordering number of its character. To robust against FGS, the proposed algorithm quantizes low and middle frequency coefficients in ROI region of each of frames and embeds its watermark bit-stream into the specific bits of the quantized coefficients. Experimental results verified that the proposed algorithm satisfies the invisibility of watermark and also has the robustness against spatial scalability, temporal scalability and FGS.
목차
ABSTRACT
1. INTRODUCTION
2. Related Works
3. Proposed Video Watermarking
4. EXPERIMENTAL RESULTS AND ANALYSIS
5. CONCLUSIONS
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2012-004-004431500