包含的文件有：
4color.jpg, a.jpg, aish.jpg, color_check2.m, color_find.m, crop_image.m, edge1.fig, edge1.m, edge_detection.m, find_color.m, help.m, histogram_file.m, load_file.m, logo.jpg, ncolor.m, pie_chart.m, save_file.m, thresh_file.m

Just load the Image and decide the optimum value for threshold.Functions to find color of any point in the image is also given.The Selected color will then be removed from the input image.You can also Find the maximum occurence of a color in a image using PIE Chart.