We introduce and test an original approach for the optical assessment of road conditions due to various atmospheric perturbations such as the presence of ice, wet surfaces and rain. The technique is based on measuring diffused and reflected light under near infrared illumination, extracting the polarization contrast after reflection. Several tests, carried out on various types of asphalt and various thicknesses of water and ice layers, demonstrate that the system exhibits selectivity and robustness to allow the recognition of dry asphalt, water-layered, wet asphalt and asphalt with ice.
Colace, L., Santoni, F., Assanto, G. (2013). A near-infrared optoelectronic approach to detection of road conditions. OPTICS AND LASERS IN ENGINEERING, 51(5), 633-636 [10.1016/j.optlaseng.2013.01.003].
A near-infrared optoelectronic approach to detection of road conditions
COLACE, Lorenzo;SANTONI, FRANCESCO;ASSANTO, GAETANO
2013-01-01
Abstract
We introduce and test an original approach for the optical assessment of road conditions due to various atmospheric perturbations such as the presence of ice, wet surfaces and rain. The technique is based on measuring diffused and reflected light under near infrared illumination, extracting the polarization contrast after reflection. Several tests, carried out on various types of asphalt and various thicknesses of water and ice layers, demonstrate that the system exhibits selectivity and robustness to allow the recognition of dry asphalt, water-layered, wet asphalt and asphalt with ice.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
