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Single-frame three-dimensional imaging using spectral-coded patterns and multispectral snapshot cameras

Single-frame 3D imaging using spectral-coded patterns and multispectral snapshot cameras
 
: Zhang, C.; Brahm, A.; Breitbarth, A.; Rosenberger, M.; Notni, G.

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Fulltext ()

Optical engineering 57 (2018), No.12, Art. 123105, 9 pp.
ISSN: 0091-3286
ISSN: 0036-1860
ISSN: 1560-2303
English
Journal Article, Electronic Publication
Fraunhofer IOF ()

Abstract
We present an approach for single-frame three-dimensional (3-D) imaging using multiwavelength array projection and a stereo vision setup of two multispectral snapshot cameras. Thus a sequence of aperiodic fringe patterns at different wavelengths can be projected and detected simultaneously. For the 3-D reconstruction, a computational procedure for pattern extraction from multispectral images, denoising of multispectral image data, and stereo matching is developed. In addition, a proof-of-concept is provided with experimental measurement results, showing the validity and potential of the proposed approach.

: http://publica.fraunhofer.de/documents/N-565878.html