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- W2055667726 abstract "We compare the benefits of spatial and spectral priors in near-infrared diffuse tomography image reconstruction. Although previous studies that incorporated anatomical spatial priors have shown improvement in algorithm convergence and resolution, our results indicate that functional parameter quantification by this approach can be suboptimal. The incorporation of a priori spectral information significantly improves the accuracy observed in recovered images. Specifically, phantom results show that the maximum total hemoglobin concentration ([HbT]) in a region of heterogeneity reached 91% of the true value compared to 63% using spatial priors. The combination of both priors produced results accurate to 98% of the true [HbT]. When both spatial and spectral priors were applied in a healthy volunteer, glandular tissue showed a higher [HbT], water fraction, and scattering power compared to adipose tissue." @default.
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- W2055667726 date "2005-08-01" @default.
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- W2055667726 title "Spectral priors improve near-infrared diffuse tomography more than spatial priors" @default.
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- W2055667726 doi "https://doi.org/10.1364/ol.30.001968" @default.
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