总结的OPencv代码。图像warp,rotation.H_S直方图。滑动条设定阈值进行轮廓检测。在输入图像上检测轮廓。还有平均背景法。是txt格式，只需要把后缀名编程.cpp即可。-The summarized OPencv code. Image warps, rotation.H_S histogram. Slider to set the threshold for contour detection. Detect the contours in the input image. Average background method. Txt format, just need to program extension cpp, you can.