Image Watermarking Based on Invariant Representation of Polar Sine Transform
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概要
- 論文の詳細を見る
This letter presents a new image watermarking scheme using Polar Sine Transform (PST), a new kind of orthogonal moment defined on a circular domain. The PSTs are easy to compute and have no numerical stability problem, thus are more suitable for watermarking. In the proposed method, the PSTs are modified according to the binary watermark bits, producing a compensation image. The watermarked image is obtained by adding the compensation image to the original image directly. Simulation results show the advantages of the proposed scheme in terms of both watermark capacity and watermark robustness.
- (社)電子情報通信学会の論文
- 2011-10-01
著者
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Li Leida
School Of Information And Electrical Engineering China University Of Mining And Technology
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Abraham Ajith
Machine Intelligence Research Labs (mir Labs) Scientific Network For Innovation And Research Excellence
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ZHANG Jianying
School of Information and Electrical Engineering, China University of Mining and Technology (CUMT)
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Zhang Jianying
School Of Information And Electrical Engineering China University Of Mining And Technology (cumt)
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Li Leida
School Of Information And Electrical Engineering China University Of Mining And Technology (cumt)
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- Image Watermarking Based on Invariant Representation of Polar Sine Transform