I Series Network Video Recorder User Manual, 030117NA
126
10.2
Line Crossing Detection
This function can be used to detect people, vehicles, and objects that cross a pre-defined 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.
Enter the VCA settings interface, Menu > Camera > VCA.
2.
Select the camera for which to configure the VCA.
3.
Click the Save VCA Picture checkbox to save the captured VCA detection pictures.
4.
Select Line Crossing Detection as the VCA detection type.
5.
Check the Enable checkbox to enable this function.
6.
Click Set button to configure the trigger channel, arming schedule, and linkage actions for the line crossing
detection alarm.
7.
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: An object crossing the configured line in either direction will be detected and trigger an alarm.
• A->B: Only an object crossing the configured line from the A side to the B side will be detected.
• B->A: Only an object crossing the configured line from the B side to the A side will be detected.
2). Click-and-drag the slider to set the detection sensitivity.
• Sensitivity: Range [1-100]. The higher the value, the more easily the detection alarm will be triggered.
3). Click OK to save the rule settings and go back to the line crossing detection settings interface.
Figure 159 Set Line Crossing Detection Rules
8.
Click
and set two points in the preview window to draw a virtual line.