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6.2.5 Set Line Crossing Detecon
It is used to detect objects crossing a pre-dened virtual line. If it occurs, the device can take
linkage acons.
Steps
1.
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.
Network Camera User Manual
36
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