VC4000在WIN7上多个摄像头是无法正常识别的。故经过我的改正，采用多线程，现可正常访问每个摄像头，特分享与此-VC4000 in WIN7 on multiple cameras can not be recognized properly. Therefore, after corrections, multi-threaded, can now normal access to each camera special to share with this

Matlab中选择摄像头，从摄像头得到图像的程序。当系统中有多个webcam时，能够列出并允许用户选择想用的。-Matlab select camera images from the camera to get the procedure. When there are multiple webcam, can list and allows the user to select the desired use.