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

Zhang, Chen; Brahm, Anika GND; Breitbarth, Andreas GND; Rosenberger, Maik GND; Notni, Gunther GND

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.

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Zhang, C., Brahm, A., Breitbarth, A., Rosenberger, M., Notni, G., 2018. Single-frame three-dimensional imaging using spectral-coded patterns and multispectral snapshot cameras. Optical engineering 57, 2018, art. 123105. https://doi.org/10.1117/1.OE.57.12.123105
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