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基于DCT压缩前后不变量，编写的抗JPEG压缩的数字图像认证水印算法，具有良好的抵抗压缩、剪切、篡改等性能的水印仿真程序-Around the DCT-based compression is not variable, the preparation of the anti-JPEG compression algorithm for digital image authentication watermark with good resistance to compression, shea
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在对图像数字水印和图像压缩技术进行深入研究的同时，提
出了在图像压缩域内同时嵌入一个鲁棒水印和一个脆弱水印的双水
印方案-esides researching on the image digital watermarking
and image compression technology in—depth，the thesis has put forward a
method to embed a robust and af
ragile watermark in the
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If you re wondering about the number 7 on the equation, the watermark is inserted every 7 pixels. Why not in every pixel? You could, but this way, you can add a second watermark (and a 3rd, and a 4th, etc.) at the same time using the pixels in betwee
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基于图像压缩的JPEG图像水印算法，具有较好的安全性-JPEG image compression based image watermarking algorithm, with better security
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结合PCA的尺度不变特征变换(SIFT)算法，实现了图像的加水印，去噪，加噪声等功能，线性调频脉冲压缩的Matlab程序。- Combined with PCA scale invariant feature transform (SIFT) algorithm, Realize image watermarking, de-noising, plus noise and other functions, LFM pulse compression of the Matlab program.
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