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Network Video Recorder User Manual
130
Object Removal Detection
Check Enable Object Removable Detection.
Optionally, check Save VCA Picture to save the captured pictures of object removable
detection.
Follow the steps to set the detection rules and detection areas.
1) Select an Arming Region to configure. Up to 4 regions are selectable.
2) 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 is triggered after the object disappeared from the region for 10s. Its range is [5s-
20s].
Sensitivity: The similarity degree of the background image. Usually, when the sensitivity is
high, a very small object taken from the region can trigger the alarm.
3) Click Draw Region and draw a quadrilateral in the preview window by specifying four
vertexes of the detection region.
Set the arming schedule. Refer to Chapter 11.1 Configure Arming Schedule.
Set the linkage actions. Refer to Chapter 11.2 Configure Alarm Linkage Actions.
Click Apply.
Audio Exception Detection
Purpose:
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