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Author: Zhang Zhiming Xu Jianqiao Yan
Abstract: This paper presents a new image-based authentication of digital watermarking technology,this critical information of authentication in the form of digital watermark is embedded in the image,at the same time,the password authentication technology and card ...
Abstract: This paper presents a new image-based authentication of digital watermarking technology,this critical information of authentication in the form of digital watermark is embedded in the image,at the same time,the password authentication technology and card ...
Author: Shi Hongqin, Lv Fangliang
Abstract: As a new technology of digital copyright protection, digital watermarking gains more and more attention. A ro- bust algorithm of static color image embedded in blind watermarking is proposed. Using color images as digital water- mark carrier, meaningful b...
Abstract: As a new technology of digital copyright protection, digital watermarking gains more and more attention. A ro- bust algorithm of static color image embedded in blind watermarking is proposed. Using color images as digital water- mark carrier, meaningful b...
Author: ZHANG Zheng-bao,YANG Su-min, Q
Abstract: The security performance of digital watermarking algorithms is studied by the parameter estimation theory,namely Cramer-Rao theorem,and the security extent under different attacks is derived.The simulation results of ISS （Improved Spread Spectrum） algorit...
Abstract: The security performance of digital watermarking algorithms is studied by the parameter estimation theory,namely Cramer-Rao theorem,and the security extent under different attacks is derived.The simulation results of ISS （Improved Spread Spectrum） algorit...
Author: HE Bing,WANG Xuan
Abstract: Most existing digital watermarking algorithms exceedingly focus on the imperceptibility and robustness of the watermarked image and geometric transform watermarked image.However,the analysis of false probability of watermarked image detection is insuffici...
Abstract: Most existing digital watermarking algorithms exceedingly focus on the imperceptibility and robustness of the watermarked image and geometric transform watermarked image.However,the analysis of false probability of watermarked image detection is insuffici...
Author: MIAO Xi-kui, SUN Jin-guang, ZH
Abstract: This paper proposed a new image watermarking scheme robust to geometric attacks based on image normalization and pseudo-Zernike moments. Firstly, constructed the geometrically invariant space by using image normalization. Then, obtained a significant regi...
Abstract: This paper proposed a new image watermarking scheme robust to geometric attacks based on image normalization and pseudo-Zernike moments. Firstly, constructed the geometrically invariant space by using image normalization. Then, obtained a significant regi...
Author: YANG Chengsong , ZHU Changqing
Abstract: By the analysis of the properties of blind watermarking, a method for generating watermark information which transforms characters directly into binary code is proposed. Secondly, the mechanism of coordinate mapping and the principles of constructing mapp...
Abstract: By the analysis of the properties of blind watermarking, a method for generating watermark information which transforms characters directly into binary code is proposed. Secondly, the mechanism of coordinate mapping and the principles of constructing mapp...
Author: HAN Shao-cheng, ZHANG Zhao-nin
Abstract: Taking advantage of the feature that the energy of an image would gather and spread averagely on four components in the sub-image of the lowest resolution, an improved blind watermarking algorithm is proposed based on BMWT and DCT.The binary watermark ima...
Abstract: Taking advantage of the feature that the energy of an image would gather and spread averagely on four components in the sub-image of the lowest resolution, an improved blind watermarking algorithm is proposed based on BMWT and DCT.The binary watermark ima...