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When objects crosses the virtual line as the set direcon, an alarm will be triggered. The
detecon direcon can be set as bidireconal, from A side to B side (A-to-B), or from B side
to A side (B-to-A).
Threshold Filter
Threshold lter is used to reduce false alarms. The higher the threshold lter value is, the
less the false alarms will be.
Moonless Filter
The device can lter objects which do not move or change. The larger the sensivity value
is set, the easier an alarm would be triggered.
Size Filter / Filter By
The device can lter objects which do not sasfy the size condion in the image. Only the
target whose size is between the maximum size and minimum size rectangles will trigger
the alarm. For a few devices, the maximum size and minimum size can directly be draw on
the image.
Specied Target Filter
The device can lter the dened target type.
Customized Info on Stream
The device will overlay the customized test informaon, and the test informaon will
follow with the target frame on video stream.
Stasc Info on Stream
The device will overlay the stasc informaon on video. You can view the informaon
during live view and playback.
Overlay Rule Frame on Stream
Rule frame will be overlaid on video stream, so that rule frames can be viewed during live
view and playback.
Overlay Target Frame on Stream
Target frame will be overlaid on video stream, so that rule frames can be viewed during live
view and playback.
Max. Number of Comparisons
The maximum number of targets in the image that the device can compare.
Number of Single Target Matching Result
When comparing a target with the library, the target may match with several pictures in
the library. This is the maximum number of matching results.
Fixed Interval Triggered Comparison(s)
The me interval for the device to run comparison.
Comparison Library of Searching
Select libraries for targets to compare. At least one library shall be selected.
Network Video Recorder User Manual
85
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