Dahua Network Camera Web 3.0 Operation Manual page 101

Dahua Network Camera Web 3.0 Operation Manual
Because the system distinguishes abandoned object from missing object according to the similarity of
foreground and background, it may cause error between abandoned object and missing object in a
situation where both foreground and background are complicated.
Application scene: it can be applied to the scene where the target is sparse and there is no obvious and
frequent light change. False alarm will be increased in the scene where the target density is high and
there is frequent obstruction; the false alarm will be increased in the scene where there are more people
staying. As for the detection area, try to make it simple, the function is not suitable for the area which is
too complicated.
Step 1
Select "Setup > Event > IVS > IVS" and the system will display the interface of "IVS".
Step 2
Click " " to set rule name and select rule type as "Missing Object", which is shown in
Figure 5-64
.
Figure 5-64
Step 3
Click "Draw Rule" to draw an area in the monitoring scene.
Step 4
Click "Draw Target" to draw the size model of filtered target in the video image.
Step 5
It is to set the parameters of missing object, please refer to the following sheet for more details.
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