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A new forward model for diffuse optical tomography
Author(s): Wenqi Lu; Jinming Duan; Joshua Deepak Veesa; Iain B. Styles
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Paper 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.

Paper Details

Date Published: 11 July 2019
PDF: 3 pages
Proc. SPIE 11074, Diffuse Optical Spectroscopy and Imaging VII, 110742C (11 July 2019); doi: 10.1117/12.2527033
Show Author Affiliations
Wenqi Lu, The Univ. of Birmingham (United Kingdom)
Jinming Duan, Imperial College London (United Kingdom)
Joshua Deepak Veesa, The Univ. of Birmingham (United Kingdom)
Iain B. Styles, The Univ. of Birmingham (United Kingdom)


Published in SPIE Proceedings Vol. 11074:
Diffuse Optical Spectroscopy and Imaging VII
Hamid Dehghani; Heidrun Wabnitz, Editor(s)

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