Local Basic Operations 162
Select a preset you want to use IVS
Input customized rule name
You can set alarm sensitivity. The value ranges from 1 to 10.The default setup
is 5.
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 the "4.7.2.4.1 Tripwire" to set other parameters.
Step 4 Click Apply to complete the setup.
4.7.2.4.5 Crowd Gathering
System can generate an alarm once the people amount gathering in the specified zone is larger
than the threshold.
Step 1 In the Type drop-down list, select Crowd Gathering Estimation.
The interface is shown as below. See Figure 4-144.
Figure 4-144
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