这是一个Linux下的USB摄像头捕捉程序，是一个调用V4L2（Video for Linux 2）非常好的例子。英文介绍为：This is a driver for the USB video bridge USBVision from Zoran/Nogatech, a USB-only cable used in many \"webcam\" devices. It supports streaming and capture of color or monochrome video v

以c++和opencv为工具，通过摄像头捕捉到肤色区域，并跟踪，实现手势识别-In c++ and opencv as a tool, through the camera to capture color region and tracking, gesture recognition