Network Video Recorder User Manual
166
Object Removal Detection
Check
Enable Object Removable Detection
.
Optionally, check
Save VCA Picture
to save the captured object removable detection pictures.
Follow these steps to set the detection rules and detection areas.
Select
Arming Area
. Up to 4 areas are selectable.
Drag the sliders to set Time Threshold and Sensitivity.
Time Threshold:
The time of the objects removed from the region. If the value is 10, alarm
will be triggered after the object disappears from the region for 10s. Its range is [5s-20s].
Sensitivity:
The similarity degree of the background image. If the sensitivity is high, a very
small object taken from the region will trigger the alarm.
Click
Draw area
and draw a quadrilateral in the preview window by specifying four vertices of
the detection region.
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
.
Audio Exception Detection
Purpose
