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- W2074571066 abstract "We estimate a limit to spatial resolution in time-domain diffuse optical tomography (DOT) based on a perturbation model by Lyubimov. In the context of structure reconstruction accuracy we consider and compare three approaches to the inverse DOT problem. The first reconstructs diffuse tomograms from straight lines; the second does it from curvilinear average trajectories of photons; and the third uses the total banana-like distributions of photon trajectories. For getting estimates to resolution, we derive analytical expressions for the point spread function and the modulation transfer function, and perform a numerical experiment to reconstruct rectangular scattering objects with circular absorbing inhomogeneities. It is shown that reconstruction with photon trajectory distributions instead of straight lines gives a gain of about order of magnitude in resolution and attains the accuracy of multistep nonlinear DOT algorithms." @default.
- W2074571066 created "2016-06-24" @default.
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- W2074571066 date "2014-01-30" @default.
- W2074571066 modified "2023-09-23" @default.
- W2074571066 title "Spatial resolution analysis for time-domain diffuse optical tomography based on a perturbation model" @default.
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- W2074571066 doi "https://doi.org/10.1117/12.2052831" @default.
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