The geometrical attacks are still a problem for many digital watermarking algorithms at present. In this paper, we propose a watermarking algorithm for color images resistant to geometrical distortions (rotation and scaling). The singular value dec

对于图像的处理 颜色特征值的提取 图像颜色的处理 图像的匹配-For image processing color characteristic value extraction

基于opencv一个小程序，对彩色图像提取7个Hu不变矩，初学者随便看看。-Based on opencv a small program for color image extraction seven Hu invariant moments, beginners casual look.