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113
The system will make statistics for the still areas in the foreground area, and distinguish whether it is
missing object or abandoned object according to the similarity between foreground and background, it
will trigger alarm when it exceeds the time set by users.
It may cause mistake when distinguishing abandoned object from missing object when both foreground
and background are very complex.
Application scene: It can be applied to the scene where the target sparse and there is no obvious and
frequent light change. As for the scene with high target density and frequent blocking, alarm leakage will
increase; as for the scene with more people to stay, false alarm will increase. As for the detection area,
it is required to be simple; it can’t be applied to complicated areas.
The config steps are shown as follows:
Step 1
Select rule type as “Missing Object” and the config interface is shown in Figure 4-88.
Figure 4-88
Step 2
Click “Draw Rule” to draw rules in the monitoring image.
Note
Click “Clear” on the right of “Draw Rule” to clear all the rules which have been drawn.
Step 3
Configure parameter info according to the actual needs. Please refer to Table 4-29 for more details.
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