DS-76xx-I2/xP/4S NVR UM
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9) Click Apply.
Object Removal Detection
Purpose
Object removal detection function detects the objects removed from the pre-defined region, such as
the exhibits on display, and a series of actions can be taken when the alarm is triggered.
1) Go to System > Event > Smart Event.
2) Click Object Removable.
Figure 12-9 Object Removal Detection
3) Select a Camera to configure.
4) Check Enable Object Removable Detection.
5) Optionally, check Save VCA Picture to save the captured pictures of object removable detection.
6) 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.
7) Set the arming schedule. Refer to
Chapter 11.1 Configure Arming Schedule
.
8) Set the linkage actions. Refer to
Chapter 11.2 Configure Alarm Linkage Actions
.
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