Three-dimensional Neumann-series approach to model light transport in nonuniform media

Abhinav Kumar Jha, Matthew A. Kupinski, Harrison H. Barrett, Eric Clarkson, John H. Hartman

Research output: Contribution to journalArticle

Abstract

We present the implementation, validation, and performance of a three-dimensional (3D) Neumann-series approach to model photon propagation in nonuniform media using the radiative transport equation (RTE). The RTE is implemented for nonuniform scattering media in a spherical harmonic basis for a diffuse-optical-imaging setup. The method is parallelizable and implemented on a computing system consisting of NVIDIA Tesla C2050 graphics processing units (GPUs). The GPU implementation provides a speedup of up to two orders of magnitude over non-GPU implementation, which leads to good computational efficiency for the Neumann-series method. The results using the method are compared with the results obtained using the Monte Carlo simulations for various small-geometry phantoms, and good agreement is observed. We observe that the Neumann-series approach gives accurate results in many cases where the diffusion approximation is not accurate.

Original languageEnglish (US)
Pages (from-to)1885-1899
Number of pages15
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Volume29
Issue number9
DOIs
StatePublished - Sep 1 2012
Externally publishedYes

Fingerprint

Radiative transfer
Light
Computational efficiency
Photons
Optical Imaging
Scattering
spherical harmonics
Imaging techniques
Geometry
Processing
propagation
photons
geometry
approximation
scattering
Graphics processing unit
simulation
Monte Carlo simulation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Computer Vision and Pattern Recognition

Cite this

Three-dimensional Neumann-series approach to model light transport in nonuniform media. / Jha, Abhinav Kumar; Kupinski, Matthew A.; Barrett, Harrison H.; Clarkson, Eric; Hartman, John H.

In: Journal of the Optical Society of America A: Optics and Image Science, and Vision, Vol. 29, No. 9, 01.09.2012, p. 1885-1899.

Research output: Contribution to journalArticle

Jha, Abhinav Kumar ; Kupinski, Matthew A. ; Barrett, Harrison H. ; Clarkson, Eric ; Hartman, John H. / Three-dimensional Neumann-series approach to model light transport in nonuniform media. In: Journal of the Optical Society of America A: Optics and Image Science, and Vision. 2012 ; Vol. 29, No. 9. pp. 1885-1899.
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