DS-2CD2D21G0/M-D/NF User Manual
UM DS-2CD2D21G0/M-D/NF 020319NA
109
Figure 106, Line Crossing Detection
2.
Check the
Enable
checkbox to enable the function.
3.
Select the line from the drop-down list.
4.
Click
Area Settings
tab and click
Draw Area
button, and a virtual line is displayed on the live video.
5.
Drag the line, and you can locate it on the live video as desired. Click on the line, two red squares are displayed on
each end, and you can click-and-drag one of the red squares to define the shape and length of the line.
6.
Set the
Max. Size
and
Min. Size
for valid targets. Targets smaller or larger than the valid target size will not trigger
detection.
•
Max. Size
: The maximum size of a valid target. Targets with larger sizes would not trigger detection.
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