Region Entrance Detection - HIKVISION NVST HNR Series User Manual

Time Threshold: The time an object loiter in the region. When the duration of the object in
the defined detection area exceeds the threshold, the device will trigger an alarm. Its range is
[1s-10s].
Sensitivity: The size of the object that can trigger the alarm. The higher the value is, the more
easily the detection alarm will be triggered. Its range is [1-100].
Percentage: The ratio of the in-region part of the object that can trigger the alarm. For
example, if the percentage is 50%, when the object enters the region and occupies half of the
whole region, the device will trigger an alarm. Its range is [1-100].
Click Draw Area and draw a quadrilateral in the preview window by specifying four vertices of
the detection area.
Draw the maximum size/minimum size for targets. Only the targets in the size ranging from
max.size to min. size will trigger intrusion detection.
1) Click Max. Size/Min. Size.
2) Draw an area in preview window.
3) Click Stop Drawing.
Set the arming schedule. Refer to Chapter 12.1 Configure Arming Schedule.
Set the linkage actions. Refer to Chapter 12.2 Configure Alarm Linkage Actions.
Click Apply.

Region Entrance Detection

Purpose
The region entrance detection function detects objects that enter a pre-defined virtual region.
Go to System Management > Event Settings > Smart Event.
Click Region Entrance Detection.
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