DS-720xHTI-Kx DVR User Manual
UM DS-720xHTI-Kx 012918NA
117
9.3 Line Crossing Detection
Purpose
This function can detect people, vehicles, and objects that cross a set virtual line. The line crossing
direction can be set as bidirectional, from left to right, or from right to left. You can set the duration for the
alarm response actions such as full screen monitoring, audible warning, etc.
1.
Go to
Menu > Camera Setup > VCA
.
2.
Select the camera for which to configure the VCA. Check the
Save VCA Picture
checkbox to save the
captured VCA detection pictures.
3.
Set the VCA detection type to
Line Crossing Detection
.
4.
Check the
Enable
checkbox to enable this function.
5.
Click
Set
to configure the trigger channel, arming schedule, linkage action, and PTZ linking for the line
crossing detection alarm.
6.
Click
Rule Settings
to set the line crossing detection rules.
1)
Set the direction to
A<->B
,
A->B
, or
B->A
.
A<->B
: Only the arrow on the B side shows. When an object crosses the configured line, both
directions can be detected and alarms are triggered.
A->B
: Only the object crossing the configured line from the A side to the B side can be detected.
B->A
: Only the object crossing the configured line from the B side to the A side can be detected.
Drag the slider to set the detection sensitivity.
2)
Sensitivity
: Range [1-100]. The higher the value, the more easily the detection alarm is triggered.
3)
Click
OK
to save the rule settings and return to the line crossing detection settings interface.
Figure 9-6
Set Line Crossing Detection Rules
