Hills NVC-BM1, Руководство пользователя

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5.6.7 Configuring Intrusion Detection
Intrusion detection can set an area in the surveillance scene and once the area is been
entered, a set of alarm action is triggered.
Steps:
1. Check the Enable Intrusion Detection checkbox.
2. Click Draw Area , and then draw a rectangle on the image as a defense region.
Note: when you draw the rectangle, all lines should connect end to end to each
other. Up to four areas are supported.
Figure 5-49 Configuring Intrusion Area
You can click Clear to clear the areas you drawn.
The defense region parameters can be set separately.
3. Choose the region to be configured.

Threshold: Range [0-10s], the threshold for the time of the object
loitering in the region. If you set the value as 0, alarm is triggered
immediately after the object entering the region.

Sensitivity: Range [1-100]. The value of the sensitivity defines the size of
the object which can trigger the alarm, when the sensitivity is high, a very
small object can trigger the alarm.

Percentage: Range [1-100]. Percentage defines the ratio of the in-region