Network Video Recorder User Manual
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Click OK to complete the video tampering settings of the channel.
Line Crossing Detection Alarm
Purpose:
This function can be used for detecting people, vehicles and objects cross a set
virtual line. The line crossing direction can be set as bidirectional, from left to right or
from right to left. And you can set the duration for the alarm response actions, such
as full screen monitoring, audible warning, etc.
Go to Menu > Camera > VCA.
Select the camera to configure the VCA.
Select the VCA detection type to Line Crossing Detection.
Check Enable to enable this function.
Click
to configure the trigger channel, arming schedule and linkage actions
for the line crossing detection alarm.
Click the Rule Settings button to set the line crossing detection rules.
1)
Select the direction to A<->B, A->B or A<-B.
A<->B: Only the arrow on the B side shows; when an object going across the
configured line with both direction 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.
Click-and-drag the slider to set the detection sensitivity.
Sensitivity: Range [1-100]. The higher the value is, the more easily the detection
alarm can be triggered.
Click OK to save the rule settings and back to the line crossing detection settings
interface.
Set Line Crossing Detection Rules
Click
and set two points in the preview window to draw a virtual line.
