Method and apparatus for measuring internal property distribution in scattering medium

Abstract

A method of measuring an internal property distribution of a scattering medium, comprises a step of injecting rays into a measured medium, a step of detecting rays having passed through the interior of the measured medium, a step of acquiring a measurement value of a predetermined parameter for each of combinations of a light injection position with light detection positions, a step of setting a reference value of an absorption coefficient, a step of acquiring an estimate of the parameter for each of the combinations of the light injection position with the light detection positions, a step of computing a weight function in each voxel, based on the Microscopic Beer-Lambert Law, a step of computing a deviation of the absorption coefficient in each voxel, based on the measurement value and estimate of the parameter, and the weight function, and a step of computing an absolute value of the absorption coefficient in each voxel.

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