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Fig. 43: Configuration of AI-INTRUSION Intrusion sensors
The configuration section provides the following functions:
Add Sensor: Click this button to draw the area of interest directly on the live image on the left. The area of
interest it’s a polygon with no limits to the number of sides.
Remove sensor: Click this button to remove the selected sensor from the configuration.
Redraw sensor: Click this button to redraw the current sensor. The current area of interrest will be deleted.
ID sensor: define a numeric IDfor the sensor.
Sensor name: this name uniquely identifies the main counting sensor (green arrow); is used to generate
counting events, sent, for example, to AI-Dash.
Confidence: A small value will make the algorithm very sensitive, instead with a value too large the
algorithm could not generate the alarms.
Inhibition (s): Inhibition time in seconds of the sensor after an alarm has been generated. If an alarm is
generated by the same sensor before the inhibition time is passed, it will be ignored by the system.
Latency alarm (s): Minimum intrusion time (seconds of permanence in the area of interest) before an alarm
is generate. Time in seconds. Subjects who stay in the area of interest for less time than the set latency,
won’t generate any alarm.
Sensor type: there are two types of sensors:
n
Impulsive: generates a single event for the whole duration of the intrusion.
n
Levels: generates several types of event: beginning of the intrusion, intrusion continuation (every
“Inhibition” seconds) and end of intrusion.
End time intrusion: after this amount of seconds, if none is in the level sensor, an event of “end of intrusion”
will be sent.
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