此程序功能是：对图像进行直方图统计。所以的是opencv，这和matlab做直方图统计是有区别的。对初学掌握opencv数字图像有一点小帮助，可以直接运行-This program features: histogram of the image. So the opencv and matlab histogram there is a difference. Beginner to master the opencv digital image a little help, you can

matlab编写画数据的柱状图,比较分析时有用 不错的源码(Matlab drawing histogram of data, comparative analysis useful good source)