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- W2383828220 abstract "This paper presented a new dual digital image watermarking.Firstly embedded copyright watermark according to comparing the relationship of center and adjacented coefficients in the DWT middle-frequency coefficients of original image,then adaptively embedded the semi-fragile watermark into intermediate frequency domain of the original image.Both of watermarks could be detected and extracted from the watermarked image without the original image.Experimental results show that the method has good invisibility,copyright watermark is robust against normal image processing and kinds of attacks,for example JPEG compression,cutting,adding noise,authentication watermark can detect the location of any minute changes in images,and can be widely used in practice." @default.
- W2383828220 created "2016-06-24" @default.
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- W2383828220 date "2009-01-01" @default.
- W2383828220 modified "2023-09-23" @default.
- W2383828220 title "Dual digital watermarking algorithm for copyright protection and tamper authentication" @default.
- W2383828220 hasPublicationYear "2009" @default.
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