Recovery of hemoglobin oxygen saturation and intrinsic fluorescence with a forward-adjoint model
Applied Optics, Vol. 44, Issue 10, pp. 1917-1933 (2005)
http://dx.doi.org/10.1364/AO.44.001917
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Abstract
We present two forward-adjoint models for recovering intrinsic fluorescence spectra and hemoglobin oxygen saturation of turbid samples. The first fits measured diffuse reflectance spectra to obtain the absorption and scattering spectra of the medium, and these are then used to correct distortions imposed on the fluorescence spectrum by absorption and scattering. The second fits only the measured fluorescence spectrum to determine simultaneously the amplitudes of absorption and fluorescence basis spectra and scattering parameters. Both methods are validated with Monte Carlo simulations and experimentally in scattering phantoms containing nicotinamide adenine dinucleotide and human erythrocytes. Preliminary measurements from murine tumors in vivo are presented.
© 2005 Optical Society of America
OCIS Codes
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.6280) Medical optics and biotechnology : Spectroscopy, fluorescence and luminescence
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics
(170.7050) Medical optics and biotechnology : Turbid media
Citation
Jarod C. Finlay and Thomas H. Foster, "Recovery of hemoglobin oxygen saturation and intrinsic fluorescence with a forward-adjoint model," Appl. Opt. 44, 1917-1933 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-10-1917
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