图片灰度处理的C语言程序，读取图片，灰度处理，直方图均衡化，-The picture grayscale processing C language program, read the pictures, gray scale processing, histogram equalization,

image compression lena 512 by 512

CircleFinder finds circles in an RGB or grayscale Useage example: [r , c , rad] = circlefinder(im) finds circles with the default settings. See also: RGBCircle nonmaxsup1d houghtransform-CircleFinder finds circles in an