NVR User Manual 061220NA 112
9.6 Unattended Baggage Detection
Purpose
Unattended Baggage Detection detects objects such as baggage, purses, dangerous materials, etc. left
in a pre-defined region, and a series of actions can be taken when an alarm is triggered.
NOTE: Refer to
Intrusion Detection
for operating steps to configure unattended baggage
detection.
The Threshold [5s−20s] in the Rule Settings defines the time the objects are left in the
region. If you set the value as 10, an alarm is triggered after the object is left and stays
in the region for 10s. Sensitivity defines the similarity of the object with the background.
When the sensitivity is high, a very small object left in the region can trigger the alarm.
Up to four rules can be configured.
9.7 Object Removal Detection
Purpose
Object Removal Detection detects objects removed from a pre-defined region such as exhibits on display,
and a series of actions can be taken when the alarm is triggered.
NOTE: Refer to
Intrusion Detection
for operating steps to configure object removal detection.
The Threshold [5s−20s] in Rule Settings defines the time of the objects removed from
the region. If you set the value as 10, an alarm is triggered after the object disappears
from the region for 10s. Sensitivity defines the similarity of the object with the
background. When the sensitivity is high, a very small object taken from the region can
trigger the alarm.
Up to four rules can be configured.
9.8 Audio Exception Detection
Purpose
Audio Exception Detection detects abnormal sounds in the surveillance scene such as a sudden
increase/decrease in sound intensity, and certain actions can be taken when the alarm is triggered.
1. Enter the VCA settings interface, Menu > Camera > VCA.
2. Select the camera to configure the VCA.
3. (Optional) Click the Save VCA Picture checkbox to save the captured VCA detection pictures.
4. Select the VCA detection type to Audio Exception Detection.
5. Click to configure the trigger channel, arming schedule, and linkage action for the face detection
a
larm.
6. Click the Rule Settings button to set the audio exception rules.
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