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Self-adaptive Digital Watermarking Algorithm Based on Quantizing Coefficients in Image Compression
Author(s): 
Pages: 18-20
Year: Issue:  17
Journal: Video Engineering

Abstract: 提出了一种基于图像压缩系数量化的自适应数字图像水印算法.该算法利用图像压缩中量化系数的特性,在其中嵌入水印.为增强水印的安全性用LFSR将置乱后的二值水印图像量化嵌入到载体图像的系数中,水印检测过程不需要原始图像的参与.实验结果表明,该算法不仅具有良好的不可见性,而且对常见攻击如JPEG压缩、噪声、滤波和几何攻击等具有较强的稳健性.
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