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Article

Impact of Road Marking Retroreflectivity on Machine Vision in Dry Conditions: On-Road Test

1
Faculty of Transport and Traffic Sciences, University of Zagreb, Vukelićeva 4, 10000 Zagreb, Croatia
2
Institute of Automotive Engineering, Graz University of Technology, Inffeldgasse 11/II, A-8010 Graz, Austria
*
Author to whom correspondence should be addressed.
Academic Editor: Felipe Jiménez
Sensors 2022, 22(4), 1303; https://doi.org/10.3390/s22041303
Received: 15 January 2022 / Revised: 4 February 2022 / Accepted: 7 February 2022 / Published: 9 February 2022
(This article belongs to the Special Issue Perception Sensors for Road Applications 2022)
(1) Background: Due to its high safety potential, one of the most common ADAS technologies is the lane support system (LSS). The main purpose of LSS is to prevent road accidents caused by road departure or entrance in the lane of other vehicles. Such accidents are especially common on rural roads during nighttime. In order for LSS to function properly, road markings should be properly maintained and have an adequate level of visibility. During nighttime, the visibility of road markings is determined by their retroreflectivity. The aim of this study is to investigate how road markings’ retroreflectivity influences the detection quality and the view range of LSS. (2) Methods: An on-road investigation comprising measurements using Mobileye and a dynamic retroreflectometer was conducted on four rural roads in Croatia. (3) Results: The results show that, with the increase of markings’ retroreflection, the detection quality and the range of view of Mobileye increase. Additionally, it was determined that in “ideal” conditions, the minimal value of retroreflection for a minimum level 2 detection should be above 55 mcd/lx/m2 and 88 mcd/lx/m2 for the best detection quality (level 3). The results of this study are valuable to researchers, road authorities and policymakers. View Full-Text
Keywords: ADAS; lane support systems; lane detection; automated driving; visibility; retroreflection ADAS; lane support systems; lane detection; automated driving; visibility; retroreflection
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MDPI and ACS Style

Babić, D.; Babić, D.; Fiolić, M.; Eichberger, A.; Magosi, Z.F. Impact of Road Marking Retroreflectivity on Machine Vision in Dry Conditions: On-Road Test. Sensors 2022, 22, 1303. https://doi.org/10.3390/s22041303

AMA Style

Babić D, Babić D, Fiolić M, Eichberger A, Magosi ZF. Impact of Road Marking Retroreflectivity on Machine Vision in Dry Conditions: On-Road Test. Sensors. 2022; 22(4):1303. https://doi.org/10.3390/s22041303

Chicago/Turabian Style

Babić, Darko, Dario Babić, Mario Fiolić, Arno Eichberger, and Zoltan F. Magosi. 2022. "Impact of Road Marking Retroreflectivity on Machine Vision in Dry Conditions: On-Road Test" Sensors 22, no. 4: 1303. https://doi.org/10.3390/s22041303

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