Algorithm for robust blind image watermark

被引：0
|
作者：
机构：
[1] Cai, Su
[2] Qi, Yue
[3] Shen, Xukun
来源：
Cai, S. (caisu@vrlab.buaa.edu.cn) | 1600年 / Beijing University of Aeronautics and Astronautics (BUAA)卷 / 29期
关键词：
Algorithms - Image processing - Internet - Pattern recognition - Robustness (control systems);
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中图分类号：
学科分类号：
摘要：
Based on DCT (Discrete Cosine Transformation) domain, an algorithm for robust blind color image watermark was presented. It inserted adaptively a gray image for watermark to a color image according to block correlation of DCT coefficients, and extracted watermark without the original image. It can be used to detect the piratical digital works on internet. Experimental results demonstrate that this algorithm is transparent and robust. It is strong to withstand JPEG compression, cropping and some other image processing attacks.
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