一种基于Linux的视频捕捉程序，遵守GPL,代码精简。可以将VIDEO 4 LINUX设备（如网络摄像头）传送的图像转换为JPEG,PNG,PNM文件。广泛的用于嵌入式系统之中，也可以作为V4L程序的教学代码。-a Linux-based video capture procedures, compliance with the GPL, streamlined code. VIDEO 4 can be LINUX equipment (such as network camera) the

Linux非常好的摄象头图象采集与存储源程序，支持jpeg,pnm等格式与多种分辨率采集。-It is very good pickup camera image capture and saving Linux source code.

PGM / pnm manipulating , histogram, equallisation