本程序是使用VC++6.0编写，一些基本的点运算，如图像反色，线性变化，阈值变换，窗口变换，灰度拉伸以及灰度均衡-The program is written using VC++6.0, some basic point operations, such as anti-color images, linear, threshold transform, the window transform, gray, and gray balance of tensile