BioSense Series Network Video Recorder User Manual
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Detection Area:
Each screen can be set up to 4 detection area, drag the mouse directly on the
screen to draw the line, release the left button, move the mouse again to form a second left-click
line, and then click Right after the automatic closure of the formation of the region is the detection
area (to set up a qualified area at least manually draw two lines).
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Detection Type:
"objects loss", "objects left", "objects loss or left" three types.
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Ratio:
Moving objects in the screen than the size of the set when the size can be used as "items".
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Detect Time:
detected items lost / left more than this time to trigger the alarm.
Figure 7.28 Object Left/Lost
In accordance with the above settings, in the channel screen, the proportion of more than 150 items in
the detection area disappeared more than 30s, triggered object left/lost alarm, alarm before and after the
real-time preview screen, respectively, as shown in Figure 7.29 and Figure 7.30 (Which identifies the blue
rectangle that is missing the area where the goods).
Figure 7.29 Pre-alarm
