Title :
Active-infrared overhead vehicle sensor
Author :
Olson, Robert A. ; Gustavson, Robert L. ; Wangler, Richard J. ; McConnell, Robert E., II
Author_Institution :
Schwartz Electro-Opt. Inc., Orlando, FL, USA
fDate :
2/1/1994 12:00:00 AM
Abstract :
An active-infrared overhead vehicle sensor capable of detecting vehicle (moving or stationary) presence, classifying type of vehicle, and measuring vehicle speed is described. The results of tests conducted at a street intersection in Orange County, Florida are presented. The test results demonstrate that the sensor reliably (99.4%) detects vehicles including cars, trucks, buses, and motorcycles and measures their speed to within ±1 mi/h (1.6 km/h) at speeds up to at least 50 mi/h (80 km/h)
Keywords :
computerised monitoring; infrared detectors; infrared imaging; laser ranging; laser velocimetry; optical radar; road vehicles; traffic recording; 0 to 80 km/h; Florida; Orange County; United States; active-infrared overhead vehicle sensor; buses; cars; classification; motorcycles; street intersection; trucks; vehicle speed; Intelligent sensors; Optical pulses; Pollution measurement; Road transportation; Sensor phenomena and characterization; Surface emitting lasers; Testing; Vehicle detection; Vehicle safety; Velocity measurement;
Journal_Title :
Vehicular Technology, IEEE Transactions on
