Optelecom-nkf Siqura C-54 E-MC User Manual page 62

Using the internal web pages
7.7.5.2 VMD Configuration 1: Detection parameters
Configuration section with controls, video picture and video motion detection inset, the latter with
mask applied (see below). The mask permits motion detection in the right half of the picture only, at
the top of the stairs, so passers-by and cars would not be registered by this detector facility; neither
will details in the distant background (the trees are reflected in the window pane though, and this
Enable VMD
Sensitivity
Figure 7.40a Video page, VMD tab, VMD disabled
could be masked separately).
Select this check box to expand the Configuration section. The result
would look like figure 7.40b.
This setting relates to local detection levels: local change is only detected
if its level exceeds a certain value. The sensitivity setting can be used to
eliminate unwanted ('false') triggering (e.g. caused by background noise
or constant local movement). The mask transparency settings (see below)
complement this.
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Figure 7.40b