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4.2.1.3
Cross Line Detection
Cross line detection detects objects crossing a user- specified virtual line in a specified
direction. The NVR takes snapshots and reports an alarm when the detection rule is
triggered.
Note:
•
Before you use camera side analysis, make sure an intelligent server with Platform Communication Type
set to LAPI is enabled on the camera.
•
The functions and parameters supported by camera side analysis and NVR side analysis are different.
Configure Cross Line Detection
•
To perform this function on the camera side, enable Intelligent Mark under Menu > System > Basic.
1. Go to Menu > VCA > VCA Config.
2. Select a camera.
3. Select Cross Line Detection and click
t
4. Set detection rules. The 4 detection rules shall be set separately. The following takes Rule
1 as an example.
Parameter
Description
Detection Line
Select Rule 1, click
line.
The line defaults to A<->B direction. You can modify it as needed.
to configure it.
B
A
, then click on the left image and drag to draw a detection
56
UNIGUARD 4 & 8 HDD Series
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