3D quantitative photoacoustic tomography using the delta-Eddington approximation

T. Saratoon; T. Tarvainen; S. R. Arridge; B. T. Cox

doi:10.1117/12.2004105

4 March 2013 3D quantitative photoacoustic tomography using the δ-Eddington approximation

T. Saratoon, T. Tarvainen, S. R. Arridge, B. T. Cox

Proceedings Volume 8581, Photons Plus Ultrasound: Imaging and Sensing 2013; 85810V (2013) https://doi.org/10.1117/12.2004105
Event: SPIE BiOS, 2013, San Francisco, California, United States

Abstract

Quantitative photoacoustic tomography involves the construction of a photoacoustic image from surface measurements of photoacoustic wave pulses and the recovery of the optical properties of the imaged region. This is a nonlinear, ill-posed inverse problem, for which model-based inversion techniques have been proposed. Here, the radiative transfer equation is used to model the light propagation, and the acoustic propagation and image reconstruction are included. In other words, the full quantitative inversion is tackled. Since Newton-based minimisations are impractical when dealing with three-dimensional images, an adjoint-assisted gradient-based inversion was used as a practical alternative to determining the optical coefficients.

Citation Download Citation

T. Saratoon, T. Tarvainen, S. R. Arridge, and B. T. Cox "3D quantitative photoacoustic tomography using the δ-Eddington approximation", Proc. SPIE 8581, Photons Plus Ultrasound: Imaging and Sensing 2013, 85810V (4 March 2013); https://doi.org/10.1117/12.2004105

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