Object Removal Detection

The object removal detection function detects the objects removed from a predefined region, such as the exhibits on display, and a series of actions can be taken when the alarm is triggered.

1. Go to Smart Analysis > Smart Event Settings > Other Events.
2. Select a camera.
3. Click Object Removable.
   Figure 1 Object Removal Detection
4. Check Enable Object Removable Detection.
5. Optional: Check Save VCA Picture to save the captured object removable detection pictures.
6. Follow these steps to set the detection rules and detection areas.
   1. Select Arming Area.
      Note:

      Up to 4 areas 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 will be triggered after the object disappears from the region for 10 s. Range [5-20].

      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.

   3. Click Draw Area and draw a quadrilateral in the preview window by specifying four vertices of the detection region.
7. Set the arming schedule. Refer to Configure Arming Schedule.
8. Set the linkage actions. Refer to Configure Linkage Actions.
9. Click Apply.