Video surveillance system is on its way to network and digitalization.

监控系统正朝着网络化与数字化的方向发展。

Document digitalization is the procedure of transferring paper entitative document to digital virtual document. It’s the first job of constructing image information system.

档案数码化是实态档案向虚态档案转换的过程,也是图像信息系统建设的首要工作。

After digitalization, video signals are written onto aframe memory and then sent to the computer RAM via an interface.

视频信号经数字化后，以视频速率实时写入帧存储体中，然后经接口送入计算机内存，主机可以与帧存交换数据。