Digital Video Recorder User Manual
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Figure 9-5 Set Line Crossing Detection Rules
Step 7 Click and set two points in the preview window to draw a virtual line.
You can use the to clear the existing virtual line and re-draw it.
Up to 4 rules can be configured.
Figure 9-6 Draw Line for Line Crossing Detection
Step 8 Click Apply to activate the settings.
The sudden scene change detection and the line crossing detection cannot be enabled at the same
channel.
9.4 Intrusion Detection
Purpose
Intrusion detection function detects people, vehicle or other objects which enter and loiter in a
pre-defined virtual region, and some certain actions can be taken when the alarm is triggered.
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