Active NIR illumination for improved camera view in automated driving application

Sundermeier, Max Caspar; Dierend, Hauke; Ley, Peer-Phillip; Wolf, Alexander; Lachmayer, Roland

doi:10.1117/12.2608162

Cited by 2 publications

(2 citation statements)

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“…Here, we distinguish between requirements for the visible (VIS) and the near-infrared spectrum (NIR), based on prior research. 4 Drawing from the foundational research of Ley et al, the VIS requirements ensure compliance with existing standards and focus on optimizing the distribution and resolution of the visible light beam. These parameters are crucial for enhancing the driver's visibility and road safety during low-beam operation.…”

Section: System Requirementsmentioning

confidence: 99%

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Optical system for a laser-based near-infrared vehicle headlamp

Sundermeier,

Dai,

Glück

et al. 2024

Light-Emitting Devices, Materials, and Applications XXVIII

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While most of the efforts in the development of vehicle headlamps are focused on the design of high-resolution visible beam distributions, recent research shows the possibilities of using a near-infrared auxiliary headlamp for machine vision. Contrary to previous non-imaging approaches not designed to attenuate parts of the beam, this feature can supplement missing light during low-beam driving. This paper aims to evaluate various emitters and optical concepts for an auxiliary near-infrared headlamp, with particular emphasis on etendue and power density. Firstly, the system requirements for an automotive headlamp consisting of a visible and near-infrared source are discussed. Secondly, we evaluate differnent design approaches to the optical system with focus on the near-infrared subsystem. Consequently, the optomechatronical system is discussed, looking at optics, electronics and mechanics seperately.

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Section: System Requirementsmentioning

confidence: 99%

“…This development represents a paradigm shift from the conventional methodologies that mainly concentrated on visible light spectrum enhancements. 3,4 This leads to the requirement of designing optical systems for both VIS and NIR sources. Recent research is focused on implementing a sensor suite within the automotive headlamp.…”

Section: Introductionmentioning

confidence: 99%