Dahua NVR52-4KS2 Series User Manual page 275

5.9.7.2.3 Abandoned Object Detection
The system generates an alarm when there is an abandoned object in the specified zone.
Procedure
Step 1 Select Main Menu > AI > Parameters > IVS.
Step 2 Select channel and AI type.
Step 3 Click Add to add a rule.
On the Type list, select Abandoned Object.
Step 4
Step 5 Draw the detection rule.
1. Click
stop drawing.
Figure 5-141 IVS
to draw a rectangle on the surveillance video image. Right-click the image to
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User's Manual