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36
Duration of Delay: It is the alarm delay time of the object left in the region (ranging from
10~3600s) or the alarm delay time of the object removed from the region (ranging from
3~3600s). For example, if “Enable Abandoned Object Detection” is selected and the
duration of delay is set as 10, alarms will be triggered after the object is left and stay in the
region for 10s, but when someone takes away the object within 10s, alarms will not be
triggered.
2. Set the alarm holding time and alarm trigger options. The setup steps are the same as
motion detection. Please refer to 5.3.1 Motion Detection for details.
3. Click “Save” button to save the settings.
4. Set the alarm area of the abandoned/missing object detection. Click the “Area” tab to
go to the interface as shown below.
Set the alarm area number and then enter the desired alarm area name. Only one alarm
area can be added. Click the “Draw Area” button and then click around the area where you
want to set as the alarm area in the image (the alarm area should be a closed area). Click
the “Stop Draw” button to stop drawing. Click the “Clear” button to delete the alarm area.
Click the “Save” button to save the settings.
5. Set the schedule of the abandoned/missing object detection. The setup steps of
schedule are the same as the schedule recording (See Schedule Recording Settings).
※ The configuration requirements of camera and surrounding areas
1. The range of the detection object should occupy from 1/50 to 1/3 of the entire image.
2. The detection time of objects in the camera shall be from 3 to 5 seconds.
3. The defined area cannot be covered frequently and continuously (like people and traffic
flow).
4. It is necessary for missing object detection that the drawn frame must be very close to
the margin of the object in enhancing the sensitivity and accuracy of the detection.
5. Abandoned/missing object detection cannot determine the objects’ ownership. For
instance, there is an unattended package in the station. Abandoned object detection
can detect the package itself but it cannot determine to whom it belongs to.
6. Try not to enable abandoned/missing object detection when light changes greatly in the
scene.
7. Try not to enable abandoned/missing object if there are complex and dynamic
environments in the scene.
8. Adequate light and clear scenery are very important to abandoned/missing object
detection.
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