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A Blind Watermarking Algorithm Based on Property of DCT Coefficients
Author(s): 
Pages: 243-245
Year: Issue:  2
Journal: APPLICATION RESEARCH OF COMPUTERS

Keyword:  分块DCTJPEG压缩Z字形编码盲检测;
Abstract: 利用分块DCT系数的周期特性,结合Z字形编码置乱技术和JPEG量化系数,提出了一种在分块DCT中频交流系数中嵌入有含义二值水印图像,以实现盲检测的水印方案.实验结果表明,该算法对图像剪切、JPEG有损压缩、中值滤波等攻击有很强的鲁棒性.
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