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Proceedings Paper

Survey of on-road image projection with pixel light systems
Author(s): Sadiq Rizvi; Marvin Knöchelmann; Peer-Phillip Ley; Roland Lachmayer
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Paper Abstract

HID, LED and laser-based high resolution automotive headlamps, as of late known as ‘pixel light systems’, are at the forefront of the developing technologies paving the way for autonomous driving. In addition to light distribution capabilities that outperform Adaptive Front Lighting and Matrix Beam systems, pixel light systems provide the possibility of image projection directly onto the street. The underlying objective is to improve the driving experience, in any given scenario, in terms of safety, comfort and interaction for all road users. The focus of this work is to conduct a short survey on this state-of-the-art image projection functionality.

A holistic research regarding the image projection functionality can be divided into three major categories: scenario selection, technological development and evaluation design. Consequently, the work presented in this paper is divided into three short studies. Section 1 provides a brief introduction to pixel light systems and a justification for the approach adopted for this study. Section 2 deals with the selection of scenarios (and driving maneuvers) where image projection can play a critical role. Section 3 discusses high power LED and LED array based prototypes that are currently under development. Section 4 demonstrates results from an experiment conducted to evaluate the illuminance of an image space projected using a pixel light system prototype developed at the Institute of Product Development (IPeG).

Findings from this work can help to identify and advance future research work relating to: further development of pixel light systems, scenario planning, examination of optimal light sources, behavioral response studies etc.

Paper Details

Date Published: 1 December 2017
PDF: 7 pages
Proc. SPIE 10603, Photonics, Devices, and Systems VII, 1060314 (1 December 2017); doi: 10.1117/12.2292740
Show Author Affiliations
Sadiq Rizvi, Leibniz Univ. Hannover (Germany)
Marvin Knöchelmann, Leibniz Univ. Hannover (Germany)
Peer-Phillip Ley, Leibniz Univ. Hannover (Germany)
Roland Lachmayer, Leibniz Univ. Hannover (Germany)


Published in SPIE Proceedings Vol. 10603:
Photonics, Devices, and Systems VII
Karel Fliegel; Petr Páta, Editor(s)

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