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- R Aronson
- Journal of the Optical Society of America. A…
- 1995

In connection with recent work on remote imaging of random media by light, a straightforward generalization of the proper diffusion boundary conditions is presented that takes into account Fresnel reflection. The Milne problem at exterior boundaries is solved for various values of index of refraction, absorption, and scattering anisotropy parameters to… (More)

- R Aronson, N Corngold
- Journal of the Optical Society of America. A…
- 1999

A number of investigators have recently claimed, based on both analysis from transport theory and transport-theory-based Monte Carlo calculations, that the diffusion coefficient for photon migration should be taken to be independent of absorption. We show that these analyses are flawed and that the correct way of extracting diffusion theory from transport… (More)

- Jenghwa Chang, Harry L. Graber, Ping Chen Koo, Raphael Aronson, San-Lian S. Barbour, Randall L. Barbour
- IEEE Trans. Med. Imaging
- 1997

We present a model suitable for computing images of absorption cross sections of thick tissue structures illuminated at near infrared (NIR) wavelengths from tomographic projection data. Image reconstruction is accomplished by solving a system of linear equations derived from transport theory. Reconstruction results using different algebraic solvers are… (More)

- J Chang, H L Graber, R L Barbour, R Aronson
- Applied optics
- 1996

We present a useful strategy for imaging perturbations of the macroscopic absorption cross section of dense-scattering media using steady-state light sources. A perturbation model based on transport theory is derived, and the inverse problem is simplified to a system of linear equations, WΔμ = ΔR, where W is the weight matrix, Δμ is a vector of the unknown… (More)

- R Aronson
- Journal of the Optical Society of America. A…
- 1997

The usual reciprocity relations of radiative transfer do not hold two points located in regions of different index of refraction. Modified reciprocity relations that involve the relative index are derived. The result has computational as well as theoretical consequences.

- K H Stenzel, R F Aronson, A L Rubin
- Biochemistry
- 1966

- H L Graber, R Aronson, R L Barbour
- Journal of the Optical Society of America. A…
- 1998

A theoretical model of photon propagation in a scattering medium is presented, from which algebraic formulas for the detector-reading perturbations (delta R) produced by one or two localized perturbations in the macroscopic absorption cross section (delta mu a) are derived. Examination of these shows that when delta mu a is titrated from very small to large… (More)

- A L RUBIN, G D LUBASH, R F ARONSON, P F DAVISON
- Nature
- 1963

—We present a model suitable for computing images of absorption cross sections of thick tissue structures illuminated at near infrared (NIR) wavelengths from tomographic projection data. Image reconstruction is accomplished by solving a system of linear equations derived from transport theory. Reconstruction results using different algebraic solvers are… (More)

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