信息隐藏的一种算法,使用matlab实现.mycompress.m JPEG有损压缩 mycrop.m 剪切 myhighpass.m 高通滤波器 mylowpass.m 低通滤波器 mynoise.m 高斯，椒盐噪声 myresize.m 放缩 myrotate.m 旋转 mywiener.m 维纳滤波 myattack.m 以上所有攻击的集合-information hidden an algorithm, using Matlab to achieve. JPEG Compression

Using matlab written narrowband noise occurs, Gaussian white noise generator, Optimization class contains several simple sample programs.

主要编写的图像预处理步骤的代码，包括灰度化，二值化，高斯模糊，图像增强(The main preparation of the image preprocessing steps of the code, including grayscale, binary, Gaussian blur, image enhancement.)