visualc++进行图像处理的各种小函数的大集合，包括彩色转灰度，灰度转二值，hough变换，Walsh变换，反色，傅里叶变换，亮度增减，取对数，取指数，平移以及旋转-VisualC++ image processing of a variety of small function of the collection, including color to gray, gray to a value of two, Hough transform, Walsh transform, anti-