Digital Video Recorder User Manual
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5.5.2 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 System → Event → Smart Event.
2. Click Line Crossing.
Figure 5-8 Line Crossing Detection
3. Select a camera.
4. Check Enable Line Crossing Detection.
5. Optional: Check Save VCA Picture to save the captured pictures of line crossing detection.
6. Set the line crossing detection rules and detection areas.
1) Select an arming area.
2) Select Direction as A<->B, A->B, or A<-B.
A<->B
Only the arrow on the B side shows. When an object goes across the configured line with
both directions can be detected and alarms are triggered.
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.
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