说明：  camshift算法的基础应用，可以实现图像的跟踪，但是色差和轮廓线问题无法解决，如果有相关更好的算法，请联系我
(camshift algorithm based on the application of image tracking can be achieved, but the question of color and contour lines can not be resolved, if there is associated a better algorithm, please contact me)