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提出一种基于DWT和DCT域的有意义二值图像数字水印算法 利用Arnold变换对水印序列进行置乱,消除象素的空间相关性,增加水印的安全性 而结合小波波变换和离散余弦变换的特性,将水印信息嵌入到图像变换域的低频和中频系数中,提高水印的鲁棒性和不可见性 实验证明该算法具有较好的抗压缩、抗噪音和抗剪切性。
-Making meaningful binary image digital watermarking algorithm based on DWT and DCT domain using
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In this paper we propose a watermarking system that
uses the biorthogonal discrete wavelet transform, DWT and the
message is encoded before embedding. The proposed
watermarking method is very simple, implying four steps: turbo
coding of
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Image Watermarking using DWT algorithm
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Code for dwt watermarking an image
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ATLAB程序：利用DWT的图像数字水印的嵌入与提取，--MATLAB programs: the use of DWT image watermarking embedding and extraction, which contains a watermark image, the original image.
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Robust, high capacity and perceptual quality image watermarking in DWT domain
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simulate the "An Improved DWT-SVD Based Robust Digital Image Watermarking for Color Image" in Matlab
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将要嵌入的多张水印图利用不同正交码调制，之后嵌入到被嵌入图片的小波变换系数中，对小波系数做逆变换，得到已嵌入水印图的图像。利用逆过程可提取出被嵌入的图像(The multiple watermark images to be embedded are modulated by different orthogonal codes, and then embedded into the wavelet coefficients of the embedded images, and the inv
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