Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/45490
Título: Robust real-time traffic light detection and distance estimation using a single camera
Autores/as: Diaz-Cabrera, Moises 
Cerri, Pietro
Medici, Paolo
Fecha de publicación: 2015
Editor/a: 0957-4174
Publicación seriada: Expert Systems with Applications 
Resumen: This paper presents a robust technique to detect traffic lights during both day and night conditions and estimate their distance. The traffic light detection is based initially on color properties. To enhance the color on the video sequences, the acquisition is adapted according to the luminosity of the pixels on the top of the image. A fuzzy clustering provides a better division of the traffic light colors. The traffic light color properties have been estimated from registered sequences including both colors from LED spot lights and from traditional light bulbs. The filters rules based on the traffic light aspect ratios as well as the tracking stage are used to decide whether the spots on the frames are likely to be traffic lights. Then, the distance between traffic lights and the autonomous vehicle is estimated by applying Bayesian filters to the traffic lights represented on the frames. The tests are validated with more than an hour in real urban scenarios during day and night. The paper shows that the developed advanced driver assistance system is able to detect the traffic lights with 99.4% of accuracy in the range of 10-115 m. The utility of this system has been demonstrated during the Public ROad Urban Driverless car test in Italy in 2013. (C) 2015 Elsevier Ltd. All rights reserved.
URI: http://hdl.handle.net/10553/45490
ISSN: 0957-4174
DOI: 10.1016/j.eswa.2014.12.037
Fuente: Expert Systems with Applications[ISSN 0957-4174],v. 42, p. 3911-3923
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