Dahua DHI-NVR5208-4KS2 - Page 208

Local Basic Operation 197
Step 1 In the Type drop-down list, select Crowd Gathering Estimation.
The interface is shown as below. See Figure 4-138.
Figure 4-138
Step 2 Draw the detection rule.
1) Click to draw the rule on the surveillance video. See Figure 4-139.