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dct

于 2013-01-18 发布 文件大小:1KB
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  基于dct的伪随机序列的数字图像水印,算法较为简单,鲁棒性一般,不能很好地抵御噪声攻击(Dct pseudo-random sequence-based digital image watermarking algorithm is relatively simple and general robustness against noise attack can not)

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