OpenCV读入一个图像，然后把图像分为HSV三个平面，把它们的颜色分布画成直方图，在窗口中显示-OpenCV reads an image, then the image is divided into three planes HSV, they painted the color distribution histogram, shown in the window

经典HOG算法，基于梯度的直方图提取算法，用于人体检测十分有效！,HOG classic algorithms, gradient-based histogram extraction algorithms, used in human testing is very effective!

Use OpenCV for histogram homogenization