Functions of Service Video Detection Tools

Quality degradation

A detection tool which is triggered when the video image received from a video camera loses quality.

For example, the detection tool may trigger upon excessive light, loss of focus, lens blocking, or sudden drop in scene illumination.

Scene change

A detection tool triggered by a change in the video image background indicating a change in the video camera's position in space

A tool that triggers in the presence of video noise.

For instance, triggering may occur upon low bit rate, or ripples on video.

A tool that detects blurred contours. 

For example, the detection tool may trigger when the image becomes blurry because of dirty lens.