应用USB摄像头采集视频，自动检测跟踪人脸，效果不错，-USB camera, video capture application, automatically detecting and tracking human face, well,

详细说明:电子天平数据采集vb源程序天平型号:双杰G&G电子实现功能清零计数换单位自动采(Top anti-graft agency promises to safeguard the position of Xi Jinping, general secretary of the Communist Party of China Central Committee, as the core of the Central Committee and the Party.)