Dahua Technology WizSense IPC-HFW3441E-SA Operation Manual page 168

Parameter
Track Time
AI Recognition
Duration
Sensitivity
Step 6 Set arming periods and alarm linkage action. For details, see "5.1.1 Alarm Linkage".
Step 7 Click Save.
To view alarm information on the Alarm tab, you need to subscribe relevant alarm event.
For details, see "5.1.2 Subscribing Alarm".
5.9 Setting Crowd Map
You can view crowd distribution on the map in real time for timely arming, to prevent stampede and
other accidents.
5.9.1 Global Configuration
Set the calibration parameters of panoramic cameras.
Description
triggered, the camera automatically tracks the person or object that
triggers the alarm. Tracking time is the duration that the camera
automatically tracks the object.
Before enabling this function, you need to enable or disable the
Alarm Track function under Smart Track as needed.
● When the Channel is set as 1, disable Alarm Track under Smart
Track.
● When the Channel is set as 2 or 3, enable Alarm Track under
Smart Track.
Select AI Recognition to enable this function.
● When you select Person as the alarm target, an alarm will be
triggered when the system detects that persons trigger the rule.
● When you select Vehicle as the alarm target, alarm will be
triggered when the system detects that vehicle trigger the rule.
● For abandoned object, the duration is the shortest time for
triggering an alarm after an object is abandoned.
● For missing object, the duration is the shortest time for triggering
an alarm after an object is missing.
● For parking detection, crowd gathering, or loitering detection,
the duration is the shortest time for triggering an alarm after an
object appears in the area.
● For fast moving, sensitivity is related to the triggering speed.
Lower sensitivity requires faster moving speed to trigger the
alarm.
● For crowd gathering, sensitivity is related to the alarm triggering
time. It is easier to trigger the alarm with higher sensitivity.
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Operation Manual