Dahua NVR21-4KS3 Series User Manual page 305

Select a channel, and then click Add.
Step 2
Select the Enable checkbox, and then set Type to People Counting.
Step 3
Step 4 Draw people counting rule.
1) Click to draw the people counting rule. Right-click the image to stop drawing.
● Press and hold the vertex of the rule line to adjust the size of the rule line.
● Click
Table 5-47 Relationship between rule and people counting
Rule
Drawing detection area.
Draw rule lines within the detection area
and detection area separately.
You can draw polylines for the tripwire,
supporting up to 20 vertices.
2) Click to draw a target filtering area on the image.
Figure 5-176 People counting
to delete the drawn rule line.
People Counting Type
Count the number of people staying in the area.
Count the number of people crossing the rule
lines within the detection area, such as the
number of people entering, leaving, and passing.
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