<visual c++数字图像处理典型算法及实现>一书的第三章示例1灰度线性变换、阈值变换、灰度窗口变换、拉伸、均衡,很好的一本书和算法-<visual c++数字图像处理典型算法及实现> the third chapter of a book on linear transformation Example 1 gray, threshold transform, gray level window transform, stretch, balance and a g