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논문 기본 정보

자료유형
학술저널
저자정보
Qiumei Zheng (China University of Petroleum Huadong)
저널정보
한국정보처리학회 JIPS(Journal of Information Processing Systems) JIPS(Journal of Information Processing Systems) 제16권 제6호
발행연도
2020.1
수록면
1,391 - 1,406 (16page)

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초록· 키워드

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A zero-watermarking algorithm in transform domain based on RGB channel and voting strategy is proposed. The registration and identification of ownership have achieved copyright protection for color images. In theownership registration, discrete wavelet transform (DWT), discrete cosine transform (DCT), and singular valuedecomposition (SVD) are used comprehensively because they have the characteristics of multi-resolution,energy concentration and stability, which is conducive to improving the robustness of the proposed algorithm. In order to take full advantage of the characteristics of the image, we use three channels of R, G, and B of acolor image to construct three master shares, instead of using data from only one channel. Then, in order toimprove security, the master share is superimposed with the copyright watermark encrypted by the owner’s keyto generate an ownership share. When the ownership is authenticated, copyright watermarks are extracted fromthe three channels of the disputed image. Then using voting decisions, the final copyright information isdetermined by comparing the extracted three watermarks bit by bit. Experimental results show that the proposedzero watermarking scheme is robust to conventional attacks such as JPEG compression, noise addition, filteringand tampering, and has higher stability in various common color images.

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