Dahua NVR21-4KS3 Series User Manual

User's Manual
256
Figure 5-149 IVS
Step 2 Select channel and AI type.
Step 3 Click
Add
to add a rule.
Step 4 On the
Type
list, select
Crowd Gathering Estimation
.
Step 5 Draw the detection rule.
1) Click to draw a rectangle on the surveillance video image. Right-click the image to
stop drawing.

Dahua NVR21-4KS3 Series Specifications

General

Brand	Dahua
Model	NVR21-4KS3 Series
Category	Network Hardware
Language	English