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Network Video Recorder User Manual
78
Note
1. If there are parts of the screen (either within or outside the detection area) that do not
need to be detected (such as an area where the light jumps from time to time or leaves
often drift by and trigger false alarms, etc.), you can draw it as a shield region.
2. Click to start drawing, left click each time on the screen to determine a vertex, right
click to stop drawing. The inside of the drawn polygon is the shielded area. If you make a
mistake, you can click and redraw.
3. 8 shield regions are supported.
11. Click Save.
5.2.3 Loitering Detection
Loitering detection is used to detect whether a target stays within a specified area longer than the
set time and trigger alarm for linked actions.
Steps
1. Go to Smart Analysis → Smart Event Settings → Other Events.
2. Select a camera.
3. Click Loitering Detection.
Figure 5-4 Loitering Detection
4. Check Enable Loitering Detection.
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