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A->B
Only the object crossing the configured line from the A side to the B side can be detected.
B->A
Only the object crossing the configured line from the B side to the A side can be detected.
3) Set the detection sensitivity. The higher the value is, the more easily the detection alarm can
be triggered.
4) Click Draw Region.
5) Draw a virtual line in the preview window.
7. Optional: Draw the maximum size/minimum size for targets.
Note
Only the targets in the size ranging from maximum size to minimum size will trigger line crossing
detection.
1) Click Max. Size/Min. Size.
2) Draw an area in preview window.
3) Click Stop Drawing.
8. Optional: Select Target of Interest as Human Body or Vehicle to discard alarms which are not
triggered by human body or vehicle.
9. Set the arming schedule. Refer to Configure Arming Schedule.
10. Set linkage actions. Refer to Configure Linkage Actions.
11. Click Apply.
6.2.5 Intrusion Detection
Intrusion detection function detects people, vehicles or other objects that enter and loiter in a
pre-defined virtual region. Specific actions can be taken when an alarm is triggered.
Steps
1. Go to Smart Analysis → Smart Event Settings → Perimeter Protection.
2. Select a camera.
3. Click Intrusion.
Network Video Recorder User Manual
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