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Rizvi, Sadiq [Verfasser:in]; Ley, Peer-Phillip [Verfasser:in]; Knöchelmann, Marvin [Verfasser:in]; Lachmayer, Roland [Verfasser:in]; Kim, Jong Kyu [Verfasser:in]; Krames, Michael [Verfasser:in]; Strassburg, Martin [Verfasser:in]; Tu, Li-Wei [Verfasser:in]

Road safety enhancement: An investigation on the visibility of on-road image projections using DMD-based pixel light systems - [published Version]

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  • Medientyp: E-Artikel; Sonstige Veröffentlichung
  • Titel: Road safety enhancement: An investigation on the visibility of on-road image projections using DMD-based pixel light systems
  • Beteiligte: Rizvi, Sadiq [Verfasser:in]; Ley, Peer-Phillip [Verfasser:in]; Knöchelmann, Marvin [Verfasser:in]; Lachmayer, Roland [Verfasser:in]; Kim, Jong Kyu [Verfasser:in]; Krames, Michael [Verfasser:in]; Strassburg, Martin [Verfasser:in]; Tu, Li-Wei [Verfasser:in]
  • Erschienen: Bellingham, Wash. : SPIE, 2018
  • Erschienen in: Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XXII : 29-31 January 2018, San Francisco, California, United States ; Proceedings of SPIE 10554 (2018)
  • Ausgabe: published Version
  • Sprache: Englisch
  • DOI: https://doi.org/10.15488/3825; https://doi.org/10.1117/12.2290456
  • ISBN: 978-1-5106-1594-6
  • ISSN: 0277-786X
  • Schlagwörter: pixel light systems ; visibility ; Headlights ; Light emitting diodes ; Automobile drivers ; Cameras ; Konferenzschrift ; Physiology ; Accident prevention ; contrast ratio ; High resolution ; high resolution headlamps ; Road safety ; Roads and streets ; Pixels ; Light systems ; Accidents ; Luminance ; Image enhancement ; image projection ; Motor transportation ; Optical projectors
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  • Beschreibung: Research reveals that visual information forms the major portion of the received data for driving. At night -owing to the, sometimes scarcity, sometime inhomogeneity of light- the human physiology and psychology experiences a dramatic alteration. It is found that although the likelihood of accident occurrence is higher during the day due to heavier traffic, the most fatal accidents still occur during night time. How can road safety be improved in limited lighting conditions using DMD-based high resolution headlamps? DMD-based pixel light systems, utilizing HID and LED light sources, are able to address hundreds of thousands of pixels individually. Using camera information, this capability allows 'glare-free' light distributions that perfectly adapt to the needs of all road users. What really enables these systems to stand out however, is their on-road image projection capability. This projection functionality may be used in co-operation with other driver assistance systems as an assist feature for the projection of navigation data, warning signs, car status information etc. Since contrast sensitivity constitutes a decisive measure of the human visual function, here is then a core question: what distributions of luminance in the projection space produce highly visible on-road image projections? This work seeks to address this question. Responses on sets of differently illuminated projections are collected from a group of participants and later interpreted using statistical data obtained using a luminance camera. Some aspects regarding the correlation between contrast ratio, symbol form and attention capture are also discussed.
  • Zugangsstatus: Freier Zugang