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Network Video Recorder User Manual
63
detection, and region exiting detection.
Note
Perimeter protection is only available for certain device models or camera models.
Line Crossing Detection
Line crossing detection detects people, vehicles, and objects crossing a set virtual line. The
detection direction can be set as bidirectional, from left to right or from right to left.
Steps
1. Go to Configuration → Event → Smart Event → Line Crossing.
2. Set Camera.
3. Turn on Enable.
4. Optional: Check Save VCA Picture to save the captured pictures of VCA detection.
5. Set the detection rules and detection areas.
1) Set Arming Area. Up to 4 arming areas are selectable.
2) Set Direction as A<->B, A->B, or A<-B.
A<->B
Only the arrow on the B side shows. An object crossing a configured line in both directions
can be detected and trigger alarms.
A->B
Only an object crossing the configured line from the A side to the B side can be detected.
B->A
Only an object crossing the configured line from the B side to the A side can be detected.
3) Optional: Set Target Detection as Human or Vehicle to discard alarms which are not
triggered by human body or vehicle.
Note
This function is only available for certain models.
4) Click Draw Area and draw a quadrilateral in the preview window by specifying four vertexes
of the detection region.
6. Set the arming schedule. Refer to Configure Arming Schedule for details.
7. Set the linkage actions. Refer to Configure Alarm Linkage Action for details.
8. Click Apply.
Intrusion Detection
Intrusion detection function detects people, vehicles, or objects that enter and loiter in a pre-
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