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10.3.2 Set Line Crossing Detecon
It is used to detect objects crossing a predened virtual line. If it occurs, the device can take linkage
acons.
Before You Start
●
For certain device models, you need to enable the smart event funcon on VCA Resource page
rst.
●
For the device supporng HEOP, go to VCA → APP to import and enable Smart Event.
Steps
1.
Go to VCA → Smart Event → Line Crossing Detecon . For certain device models, you should go
to Conguraon → Event → Smart Event → Line Crossing Detecon .
2.
Check Enable.
3.
Select one Line and set the size lter. For the size lter sengs, refer to Set Size Filter .
4.
Click Draw Area and a line with an arrow appears in the live video. Drag the line to the locaon
on the live video as desired.
5.
Set rules.
Direcon
It stands for the direcon from which the object goes across the line.
A<->B: The object going across the line from both direcons can be detected and alarms are
triggered.
A->B: Only the object crossing the congured line from the A side to the B side can be
detected.
B->A: Only the object crossing the congured line from the B side to the A side can be
detected.
Sensivity
It stands for the percentage of the body part of an acceptable target that goes across the pre-
dened line. Sensivity = 100 - S1/ST × 100. S1 stands for the target body part that goes
across the pre-dened line. ST stands for the complete target body. The higher the value of
sensivity is, the more easily the alarm can be triggered.
Detecon Target
Human and vehicle are available. If the detecon target is not selected, all the detected
targets will be reported, including the human and vehicle.
Target Validity
If you set a higher validity, the required target features should be more obvious, and the
alarm accuracy would be higher. The target with less obvious features would be missing.
Network Camera User Manual
91
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