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Proceedings Paper

The influence of ambient light on the driver
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Paper Abstract

Increasingly, cars are fitted with interior ambient lighting which is switched on while driving. This special kind of interior light emphasizes the interior design of the car, it makes a car look special and gives the buyers a new option to personalize their automobiles. But how does ambient interior light influence the driver? We conducted a series of over 50 tests to study the influence of interior ambient light on contrast perception under different illumination levels, colors and positions of the illuminated areas. Our tests show that in many cases the ambient lighting can improve the visual contrast for seeing objects in the headlamp beam. But the test persons mentioned that the tested brightness looked too bright and that they felt glared. The measured values instead proved that no disability glare exists. Therefore, provided that the drivers can adjust the intensity of the ambient light to avoid glare, the ambient light has no negative effect on the drivers' contrast perception.

Paper Details

Date Published: 26 April 2008
PDF: 4 pages
Proc. SPIE 7003, Optical Sensors 2008, 700329 (26 April 2008); doi: 10.1117/12.780017
Show Author Affiliations
Karsten D. Klinger, Univ. of Karlsruhe (Germany)
Uli Lemmer, Univ. of Karlsruhe (Germany)


Published in SPIE Proceedings Vol. 7003:
Optical Sensors 2008
Francis Berghmans; Anna Grazia Mignani; Antonello Cutolo; Patrick P. Meyrueis; Thomas P. Pearsall, Editor(s)

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