A new forward model for diffuse optical tomography

Wenqi Lu, Jinming Duan, Joshua Deepak Veesa, Iain B. Styles

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We propose a nonlocal diffusion equation (NDE) as a new forward model, which uses the concepts of differential operators under the nonlocal vector calculus. The discretization of the NDE is performed using an effective graph-based numerical method (GNM). We evaluate the proposed forward modelling method on a homogeneous slab where the analytical solution is available. Our experiments show that the results of the NDE (discretized by GNM) is quantitatively comparable to the analytical solution. The proposed method has an identical implementation for geometries in two and three dimensions due to the nature of the graph representation.
Original languageEnglish
Title of host publicationDiffuse Optical Spectroscopy and Imaging VII: Proceedings
PublisherSPIE - The International Society for Optical Engineering
Volume11074
ISBN (Electronic)9781510628410
DOIs
Publication statusPublished - 11 Jul 2019
Externally publishedYes
EventEuropean Conference on Biomedical Optics - Munich, Germany
Duration: 23 Jun 201927 Jun 2019

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
PublisherSPIE - The International Society for Optical Engineering
ISSN (Print)1605-7422

Conference

ConferenceEuropean Conference on Biomedical Optics
Country/TerritoryGermany
CityMunich
Period23/06/201927/06/2019

Keywords

  • Diffuse optical tomography
  • forward model
  • graph-based numerical method
  • nonlocal vector calculus

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