car tracking with spirit
TRANSCRIPT
Passive InfraRed PositioningCar‐tracking with SPIRIT
The passive infrared ( PIR ) sensors used in the security industry have reachedtheir technical limits .Since 35 years , the manufacturers have improved only the traditional optics and the signal processing but NEVER THE PHYSICAL PRINCIPLE OF THE OPTIC which can transform a PIR into a geolocator . The advantages of PIR sensors are reliability in detection, low consumption, lowcost, easy installation. To‐day the weak point is the lack of information for VideoManagement Systems ( VMS) or Video Analytics softwares such as geolocation.Let us introduce an innovative PIR geolocator using a new and patented opticalphysical principle : SPIRIT.
SPIRIT :Smart Passive InfraRedIntrusion,location and Tracking
The 15 fields of view of the SPIRIT have been superimposed on the scene . The first event ( the car ) and its location is sensed in the field of view #15.The SPIRIT transmits immediately the location to the Pan Tilt Zoom (PTZ) camera dome which points then towards the approaching car.
PTZ camera dome
Top view of the scene , showing the SPIRIT’s 15 fields of view and each detection and location point which havebeen transmitted to the video camera.
151413
Detection 1
detection 1 in the field of view #15 . The camera has been triggered towards the car by the SPIRIT sensor.
151412 1311
Detection 2
detection 2 in the field of view #14 .
151412 1310 11
Detection 3
detection 3 in the field of view #13 .
12 1310 118 97
Detection 4
detection 4 in the field of view #10 .
12 1310 119 1514
Detection 5
detection 5 in the field of view #11 . The camera has been triggered towards the men.
8 9 12 1310 11
Detection 6
detection 6 in the field of view #10 . The camera has been triggered towards the driver.
9 1412 1310 118
Detection 7
detection 7 in the field of view #11 . The camera has been triggered towards the center of the group by the SPIRIT sensor.
U.S. and Europeean patents pending
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