Network Video Recorder User Manual
103
Select the camera to configure the VCA.
Select the VCA detection type to Intrusion Detection.
Check Enable to enable this function.
Click to configure the trigger channel, arming schedule and linkage actions
for the line crossing detection alarm.
Click the Rule Settings button to set the intrusion detection rules. Set the
following parameters.
4) Threshold: Range [1s-10s], the threshold for the time of the object
loitering in the region. When the duration of the object in the defined
detection area is longer than the set time, the alarm will be triggered.
5) Click-and-drag the slider to set the detection sensitivity.
6) Sensitivity: Range [1-100]. The value of the sensitivity defines the size of
the object which can trigger the alarm. The higher the value is, the more
easily the detection alarm can be triggered.
7) Percentage: Range [1-100]. Percentage defines the ratio of the in-region
part of the object which can trigger the alarm. For example, if the
percentage is set as 50%, when the object enters the region and occupies
half of the whole region, the alarm is triggered.
Set Intrusion Crossing Detection Rules
8) Click-OK to save the rule settings and back to the line crossing detection
settings interface.
Click and draw a quadrilateral in the preview window by specifying four
vertexes of the detection region, and right click to complete drawing. Only one
region can be configured.
You can use the to clear the existing virtual line and re-draw it.
Up to 4 rules can be configured.
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