CCTV Camera Pros Geovision 8.4 Multicam Digital Surveillance System - Manual (Page 194)

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3.9.2 Detecting Missing Objects
To detect any object missing from the camera view, follow the steps below:
1. Follow the Step 1 to 4 in the above Detecting Unattended Objects section to display the Video
Object Setup dialog box (Figure 3-20).
2. In the Camera field, select a desired camera for configuration.
3. Select Missing Object from the drop-down list.
4. Check the Accept option to make other options available.
5. Click the Define Object button.
6. Use the mouse to outline regions on the object(s) you want to detect. It is recommended to outline
several regions within the object(s) to increase detection sensitivity. Notice that the outlined
regions should not be larger than the object(s). Every time when finishing an outlining, you will be
prompted to select Add Region. See the illustration below.
Figure 3-34 Outlining regions on objects
7. Click the Done button to finish the defining.
8. Click the Save Reference Image button to save the image as a reference view.
9. To set up other options, see Other Controls in the Video Object Setup Window below.
10. Click the OK button to apply the settings.
11. Start camera monitoring for the application.
When any object, which you have outlined the regions for, disappears from the camera view for 3
seconds, its location will be highlighted in live video, the selected alarm and output will be activated,
and the event will be recorded as Missing Object in System Log for later retrieval.