HIKVISION iDS-7700NXI-I4/16P/16S Series - Page 117

Figure 7-11 Line Crossing Detecon
4. Check Enable Line Crossing Detecon.
5. Oponal: Check Save VCA Picture to save the captured pictures of line crossing detecon.
6. Oponal: Check Enable AI by Device.
The device will analyze the video, and cameras only transmit video stream.
7. Oponal: Set Shield Area if Enable AI by Device is checked.
Shield Area
Aer a shield area is set, the device will not analyze target behavior in the area, so that the
perimeter protecon events will not be triggered within the area.
Note
●
Shield area is only valid for the selected camera.
●
Aer a shield area is set, it will take eect for all perimeter protecon events, including line
crossing detecon, intrusion detecon, region entrance detecon, and region exing
detecon.
1) Click Shield Area.
2) Check Enable Shield Area.
3) Select Shield Area.
4) Click Draw Area, and draw a quadrilateral in the preview window.
5) Right click your mouse to
nish drawing.
6) Click OK.
8. Set the line crossing
detecon rules and detecon areas.
1) Select an arming area.
2) Select Direcon as A<->B, A->B, or A<-B.
A<->B
Only the arrow on the B side shows. When an object goes across the
congured line with
both direcons can be detected and alarms are triggered.
Network Video Recorder User Manual
96