识别图片中各种颜色的数量并以直方图的形式呈现出结果。本程序没有使用传统的RGB空间而是采用HLS色彩空间-Identify the number of colors in the picture and in the form of the histogram shows the results. The program does not use the traditional RGB space instead of using the HLS color space

用opencv库函数识别图像中包含的图形数量和形状，能够识别矩形，三角形，圆形-figure recognize