Network Video Recorder User Manual
25
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
→
Camera
→
Event
→
Line Crossing
.
Figure 5-10 Line Crossing Detection
2. Select a camera.
3. Turn on
Enable
.
4. Set line crossing detection rules and detection areas.
1) Set
Arming Area
. Up to 4 arming areas are selectable.
2) Select
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) Set
Sensitivity
. The higher the value is, the easier the detection alarm will be triggered.
4) Optional: Set
Target Detection
as
Human
or
Vehicle
to discard alarms which are not
triggered by human body or vehicle.
5) Click
Draw Area
, and set two points in the preview window to draw a virtual line.
5. Set the arming schedule. Refer to for
6. Set the linkage actions. Refer to
Configure Alarm Linkage Action
7. Click
Apply
.