Structured Light Imaging under Sunlight Conditions

Jostein Thorstensen; Jon Tschudi; Karl Henrik Haugholt; Gregory Bouquet; Trine Kirkhus

doi:10.1364/3D.2018.3M3G.3

Imaging and Applied Optics 2018 (3D, AO, AIO, COSI, DH, IS, LACSEA, LS&C, MATH, pcAOP)
OSA Technical Digest (Optica Publishing Group, 2018),
paper 3M3G.3
•https://doi.org/10.1364/3D.2018.3M3G.3

Structured Light Imaging under Sunlight Conditions

Jostein Thorstensen, Jon Tschudi, Karl Henrik Haugholt, Gregory Bouquet, and Trine Kirkhus

3D Image Acquisition and Display: Technology, Perception and Applications 2018

Orlando, Florida United States
25–28 June 2018
ISBN: 978-1-943580-44-6

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Measurement I (3M3G)

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J. Thorstensen, J. Tschudi, K. H. Haugholt, G. Bouquet, and T. Kirkhus, "Structured Light Imaging under Sunlight Conditions," in Imaging and Applied Optics 2018 (3D, AO, AIO, COSI, DH, IS, LACSEA, LS&C, MATH, pcAOP), OSA Technical Digest (Optica Publishing Group, 2018), paper 3M3G.3.

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Abstract

We present a Structured Light Imaging system developed for Space Applications, where accurate 3D measurements in direct sunlight is an absolute requirement. Through spectral filtering of the camera and the use of a high power VCSEL, we have demonstrated that the system provides megapixel resolution images with sub-mm depth precision at 1 m distance, when operating in direct sunlight. We discuss the theoretical and observed system precision as function of signal levels.

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