
3.5.1.1 Cross Line
Cross line detection generates an alarm when a person walks past the detection threshold in
the direction you defined. Up to 4 detection lines can be added. Note that when adding
multiple detection lines, make sure they do
NOT
intersect as it may affect the detection
results. Select the checkbox next to
Cross Line
to enable and click
to configure.
Figure 3-30
1. Once enabled, click
to add a detection line. Repeat to add another detection line.
2. Drag the ends of the detection line to the intended position to mark the detection
boundary.
3. Select
the
Trigger Direction
, which will define the direction to trigger an alarm. For
example, if you choose
A -> B
, people moving from direction A to B will trigger an alarm.
4. You can move the slider to adjust the detection
Sensitivity
.
5. Select
Upload to FTP
and/or
Trigger
under
Trigger Actions
to automatically
upload snapshots to the specified FTP server and/or send snapshots to the specified e-
mail address upon the video analytic events.
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