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7.2.7 Set Object Removal Detection
Object removal detection detects whether the objects are removed from the predefined detection
area, such as exhibits on display. When it occurs, the device takes linkage actions as response.
Before You Start
Go to VCA → Select Application to select Smart Event, and click Next to enable the function.
Steps
1. Go to VCA → Set Application → Smart Event → Object Removal Detection .
2. Check Enable.
3. Optional: Click Lock to lock PTZ control to prevent the interruption from other PTZ related action
during configuration.
Normally, the PTZ control is automatically locked when you enter the configuration interface.
You can manually resume the lock when the countdown is over.
4. Adjust the live image to the desired scene by using PTZ control buttons.
5. Optional: Set the minimum size and the maximum size for the target to improve detection
accuracy. Only targets whose size are between the maximum size and the minimum size trigger
the detection.
1) Click Max. Size, and drag the mouse on live image. If you want to change the size, click the
button and draw again.
2) Click Min. Size, and drag the mouse on the live image. If you want to change the size, click the
button and draw again.
6. Set detection parameters.
Sensitivity The value of the sensitivity defines the size of the object which can trigger the
alarm, when the sensitivity is high, a very small object can trigger the alarm.
Threshold
The threshold is the time of the objects removed from the area. If you set the
value as 10, alarm is triggered after the object disappears from the area for 10
seconds.
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