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Proceedings Paper

Estimation of skin optical parameters for real-time hyperspectral imaging applications
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Paper Abstract

Hyperspectral imaging combines high spectral and spatial resolution in one modality. This imaging technique is a promising tool for objective medical diagnostics. However, to be attractive in a clinical setting the technique needs to be fast and accurate. Hyperspectral imaging can be used to analyze the chemical composition of tissue using spectroscopic methods, and is thus useful as a general purpose diagnostic tool. In this study, we combine an analytic diffusion model for photon transport with real-time analysis of hyperspectral images. This is achieved by inverting and parallelizing the photon transport model on a GPU to yield optical parameters from diffuse reflectance spectra. The resulting inversion chain was found to output the results in real-time. The inverse approach was found to characterize the relative differences in the optical properties. The presented approach is a proof of principle, necessary for developing a future real-time diagnostic system using hyperspectral imaging.

Paper Details

Date Published: 4 March 2014
PDF: 10 pages
Proc. SPIE 8926, Photonic Therapeutics and Diagnostics X, 89260S (4 March 2014); doi: 10.1117/12.2037827
Show Author Affiliations
Asgeir Bjorgan, Norwegian Univ. of Science and Technology (Norway)
Lise Lyngsnes Randeberg, Norwegian Univ. of Science and Technology (Norway)


Published in SPIE Proceedings Vol. 8926:
Photonic Therapeutics and Diagnostics X
Bernard Choi; Nikiforos Kollias; Haishan Zeng; Hyun Wook Kang; Brian J. F. Wong; Justus F. Ilgner; Guillermo J. Tearney; Kenton W. Gregory; Laura Marcu; Andreas Mandelis, Editor(s)

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