本嵌入式网络摄像机采用高性能ARM9 芯片微处理器,内置嵌入式Web 服务器。通过嵌入式多任务操作系统采集摄像机视频数据;采集的视频信号数字化后经MJPEG 算法压缩,再通过内部总线送到内置的Web 服务器;使用者可以直接用浏览器观看Web 服务器上的摄像机图像;通过通用网关接口CGI,授权用户还可以控制摄像机、云台和镜头的动作或直接通过Web 页面对系统进行配置。关键词:V4L;ARM;Linux;CGI;MJPEGAbstract: This embedded web camera takes the powerful ARM9 chip as MPU,there isa embedded web server inside it. The camera captures the video through embeddedmultitask operating system;the digital video has been compressed by MJPEG algorithmbefore it is sent to inner web server through interior bus;the users can viewcamera’s video directly by internet explorer and the users who are authorized canalso control camera、the motion of cloud-station and lens or configure the parametersof the embedded web camera straightly by Common Gateway Interface.Key Words:V4L;ARM;Linux;CGI;MJPEG;
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