读取USB摄像头图像，对图像进行运算处理，并利用windows底层API驱动云台转动，达到跟踪效果，开发环境VS2010+opencv2.4.9,开发语言C++，调试通过。-Read USB camera image, image processing, and the use of the underlying windows API driver head rotation, to achieve tracking effect, development environment VS2010