Image &video sensors: capture/input from a camera (all kinds of signals can be found in real-timevisualinformation)
图像和视频感知：依靠内置数码摄像机捕捉的实时视频信息
2
Internet electronic map has been become a new way to display geographic information, it is visual, real-time, and dynamic.
网络电子地图已成为一种全新的地理信息展示方式，它可以直观，实时，动态的显示地理信息。
3
Using the visual technology of GIS and combining the geographical information of power network, the system gives the real-time distributing information of power quality.