Threshold stands for the threshold for the me of the object loitering in the region. If the
me that one object stays exceeds the threshold, the alarm is triggered. The larger the value
of the threshold is, the longer the alarm triggering me is.
Sensivity
Sensivity stands for the percentage of the body part of an acceptable target that enters the
predened region. Sensivity = 100 - S1/ST × 100. S1 stands for the target body part that goes
across the
predened region. ST stands for the complete target body. The higher the value of
sensivity is, the more easily the alarm can be triggered.
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 missed.
Figure 10-1 Set Rule
5.
Oponal: You can set the parameters of mulple areas by repeang the above steps.
6.
For the arming schedule sengs, refer to Set Arming Schedule . For the linkage method sengs,
refer to Linkage Method Sengs .
7.
Click Save.
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
●
Go to VCA → Select Applicaon , select Smart Event and click Next to enable the funcon.
●
For the device supporng HEOP, go to VCA to import and enable Smart Event.
Steps
1.
Go to VCA → Set Applicaon → Smart Event → Line Crossing Detecon .
2.
Check Enable.
3.
Click Add to add a rule and set a
detecon area.
Network Camera User Manual
77
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