User's Manual
253
Table 4-43
Parameter Description
Preset Set the preset point for IVS detection according to the actual needs.
Name Customize the rule name.
Duration Set the minimum time that the object stays until the alarm is triggered.
Filter target
Click to filter the target. Check the blue wireframe and adjust the
size of the area with the mouse.
Each rule can set 2 target filters (maximum size and minimum size),
that is, when the passing target is smaller than the minimum target or
larger than the maximum target, no alarm will be generated. The
maximum size should not be smaller than the minimum size.
3) Draw a rule. Left click mouse to draw a zone, until you draw a rectangle, you can right
click mouse.
4) Click
OK
to complete the rule setting.
Step 3 Click , you can refer to "4.7.2.4.1 Tripwire" to set other parameters.
Step 4 Click
Apply
to complete the setup.
4.7.2.4.8 Loitering Detection
Background Information
System can generate an alarm once the object is staying in the specified zone longer than the
threshold.
Procedure
Step 1 In the
Type
drop-down list, select
Loitering Detection
.
The interface is shown as below. See Figure 4-153.
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