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Generation and evaluation of hyperspectral 3D surface models based on a structured light system with hyperspectral snapshot mosaic sensors
Author(s): Stefan Heist; Chen Zhang; Karl Reichwald; Peter Kühmstedt; Gunther Notni
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Paper Abstract

Recently, a number of hyperspectral cameras with novel image sensors that are equipped with a monolithic pixel-by-pixel filter array have been introduced onto the market. In this contribution, we describe the design and implementation of a structured light 3D sensor consisting of two such snapshot mosaic sensors, each with 25 different spectral bands between 600 and 975 nm, and a broadband GOBO projector that images varying, aperiodic sinusoidal patterns into the measurement volume. We characterize the system with regard to accuracy, and we present measurements of different objects illustrating the benefits of hyperspectral 3D sensors.

Paper Details

Date Published: 14 May 2018
PDF: 9 pages
Proc. SPIE 10667, Dimensional Optical Metrology and Inspection for Practical Applications VII, 106670F (14 May 2018); doi: 10.1117/12.2304790
Show Author Affiliations
Stefan Heist, Abbe Ctr. of Photonics (Germany)
Fraunhofer IOF (Germany)
Chen Zhang, Ilmenau Univ. of Technology (Germany)
Karl Reichwald, Abbe Ctr. of Photonics (Germany)
Fraunhofer IOF (Germany)
Peter Kühmstedt, Fraunhofer IOF (Germany)
Gunther Notni, Fraunhofer IOF (Germany)
Ilmenau Univ. of Technology (Germany)


Published in SPIE Proceedings Vol. 10667:
Dimensional Optical Metrology and Inspection for Practical Applications VII
Kevin G. Harding; Song Zhang, Editor(s)

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