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it s about digital watermark using LSBs, DCT and Wavelet methods
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一种基于小波变换的灰度数字水印嵌入算法,使用matlab实现，含有原始论文。不过不是很理想，希望大家改进-Gray-scale based on wavelet transform digital watermark embedding algorithm, using matlab implementation, containing the original papers. But not very good, hope that we improve the
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The code implements the following paper:
Guorong Xuan, Jiang Zhu, Jidong Chen, Shi Y.Q., Zhicheng Ni, Wei Su, "Distortionless data hiding based on integer wavelet transform" IET Electronics Letters, Volume: 38, Issue 25, page 1646- 1648, Decembe
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This a watermark soucecode based on Spacial Domain Algorithm implemented by using Delphi7.0. The main idea is to embed the binary watermark into th
- transparent digital watermarking and digital watermarking Wavelet the note. Pictures were revised
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利用二维离散小波，在一幅图像中嵌入水印，并对水印图像进行水印的提取和检测。-Using two-dimensional discrete wavelet, an image embedded in the watermark and image watermark extraction and detection.
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提出了一种基于小波变换可抗击几何攻击算法。在水印嵌人
部分# 首先对宿主图像进行小波分解
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嵌人水印, 再通过余弦变换求得该水印图像的一个特征向量, 利用该特征向量和水印
信息通过12 31 函数生成一个二值逻辑系列, 将该序列作为密钥/ 水印提取部分为# 对待测的图像进行小波变换, 再通过余
弦变换求得待测图像的一个特征向量, 利用该特征向量和密钥通过1 2 4 1 函数提取出水印。-Proposed based on wavelet transform algorith
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基于小波的音频水印嵌入代码。采用DB1小波-Wavelet-based audio watermark embedding code. Using wavelet DB1
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This paper proposes new watermarking technique based on Tetrolet domain. The Tetrolet transform is a new adaptive Haar-type wavelet transform based on tetrominoes. It avoids Gibbs oscillation because it applies the Haar function at the edge of the im
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In this paper we proposed a method of
embedding owner’s speech signal. Speech being a biometric data,
the watermark signal in this method is expected to be more
meaningful and has closer correlation with copyright holder.
The main issue of co
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video watemarking using wavelet and fft based transforms.video watemar king using wavelet and fft based transforms.video watemarking using wavelet and fft based transforms.-video watemarking using wavelet and fft based transforms.video watemarking us
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