VCA Alarm
ClareVision Plus Network Video Recorder User Manual 115
People gathering detection
The people gathering detection alarm triggers when people gather around a pre-
defined virtual region.
Notes
• The Rule Settings percentage defines the gathering density or the people in
the region. When the percentage is small, an alarm is triggered when a small
number of people gather in the set region.
• Up to 4 rules can be configured.
Parking detection
The parking detection function detects illegal parking on highways, one-way
streets, etc., configure actions to respond to detection.
Notes
• The Rule Settings threshold defines the time of the vehicle parking in the
region. If the value is set to 10, the alarm is triggered after the vehicle has
been in the region for 10s.
• Up to 4 rules can be configured.
Unattended Baggage detection
The unattended baggage detection function detects an object left in a pre-defined
region.
Notes
• The Rule Settings threshold defines the time the object is left in the region. If
the value is set to 10, an alarm is triggered after 10s.
• The Rule Settings sensitivity defines the similarity degree of the background
image. When the sensitivity is high, a small object left in the region triggers
the alarm.
• Up to 4 rules can be configured.
Object removal detection
The object removal detection function detects when an object is removed from a
pre-defined region.
Notes
• The Rule Settings threshold defines the time the object is absent from the
region. If the value is set to 10, an alarm is triggered after 10s.
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