差值扩展-数字可逆水印的实现

代码说明：

  数字图像处理中的可逆水印算法，基于差值扩展而得，其容量与其图像像素有关。(The reversible watermarking algorithm in digital image processing is based on the spread of the difference, and its capacity is related to the pixel of the image.)

文件列表：

extraction.m, 2213, 2012-11-26
operate.m, 6454, 2012-11-26