Edgedetection

代码说明：

  在matlab环境下，结合c语言，给出了常用三种图像处理的代码：灰度图像边缘检测，K-L变换，图像的统计直方图。(In the matlab environment, the combination of c language, given the commonly used three types of image processing code: gray-scale image edge detection, KL transform, the image histogram statistics.)