Digital Video Recorder User Manual
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Figure 9. 3 Set Intrusion Crossing Detection Rules
4) Click-
OK
to save the rule settings and back to the line crossing detection settings interface.
7.
Click
and draw a quadrilateral in the preview window by specifying four vertexes of the detection
region, and right click to complete drawing. Only one region can be configured.
You can use the
to clear the existing virtual line and re-draw it.
Up to 4 rules can be configured.
Figure 9. 4 Draw Area for Intrusion Detection
8.
Click
Apply
to save the settings.
The sudden scene change detection and the intrusion detection cannot be enabled at the same channel.
9.3 Audio Exception Detection
Purpose:
Audio exception detection function detects the abnormal sounds in the surveillance scene, such as the sudden
increase/decrease of the sound intensity, and some certain actions can be taken when the alarm is triggered.
The audio exception detection is supported by all analog channels.
Содержание DN41R
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