视频中手指定位程序，可用于人机交互中，识别手指的行为。-Video finger positioning procedure can be used for human-computer interaction, identify the finger behavior.

使用kinect读取视频，利用分离前景，对图像进行前景连通检测，寻找每个指尖 寻找每个手指的凸包点和凹陷点，求取掌心-Use kinect reads the video, using a separation prospects, prospects for image communication is detected, searching each fingertip search of each finger convex hull points and depressed points