A survey of computational frameworks for solving the acoustic inverse problem in three-dimensional photoacoustic computed tomography

J Poudel, Y Lou, MA Anastasio - Physics in Medicine & Biology, 2019 - iopscience.iop.org
Photoacoustic computed tomography (PACT), also known as optoacoustic tomography, is
an emerging imaging technique that holds great promise for biomedical imaging. PACT is a …

Navigating challenges and solutions in quantitative photoacoustic imaging

R Zhang, R A'dawiah, TWJ Choo, X Li… - Applied Physics …, 2024 - pubs.aip.org
Photoacoustic imaging, an emerging modality that seamlessly combines advantages of
optical absorption contrast and ultrasound resolution, holds great promise for noninvasive …

Full-wave iterative image reconstruction in photoacoustic tomography with acoustically inhomogeneous media

C Huang, K Wang, L Nie, LV Wang… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
Existing approaches to image reconstruction in photoacoustic computed tomography
(PACT) with acoustically heterogeneous media are limited to weakly varying media, are …

Quantitative photoacoustic tomography using iteratively refined wavefield reconstruction inversion: a simulation study

SM Ranjbaran, HS Aghamiry, A Gholami… - … on Medical Imaging, 2023 - ieeexplore.ieee.org
The ultimate goal of photoacoustic tomography is to accurately map the absorption
coefficient throughout the imaged tissue. Most studies either assume that acoustic properties …

On the adjoint operator in photoacoustic tomography

SR Arridge, MM Betcke, BT Cox, F Lucka… - Inverse …, 2016 - iopscience.iop.org
Photoacoustic tomography (PAT) is an emerging biomedical imaging from coupled physics
technique, in which the image contrast is due to optical absorption, but the information is …

Recovery of a source term or a speed with one measurement and applications

P Stefanov, G Uhlmann - Transactions of the American Mathematical …, 2013 - ams.org
We study the problem of recovery of the source $ a (t, x) F (x) $ in the wave equation in
anisotropic medium with $ a $ known so that $ a (0, x)\not= 0$, with a single measurement …

On multi-spectral quantitative photoacoustic tomography in diffusive regime

G Bal, K Ren - Inverse Problems, 2012 - iopscience.iop.org
The objective of quantitative photoacoustic tomography (qPAT) is to reconstruct the diffusion,
absorption and Grüneisen thermodynamic coefficients of heterogeneous media from …

Image reconstruction from photoacoustic projections

C Tian, K Shen, W Dong, F Gao, K Wang, J Li… - Photonics …, 2024 - spiedigitallibrary.org
Photoacoustic computed tomography (PACT) is a rapidly develo** biomedical imaging
modality and has attracted substantial attention in recent years. Image reconstruction from …

Analysis of iterative methods in photoacoustic tomography with variable sound speed

M Haltmeier, LV Nguyen - SIAM Journal on Imaging Sciences, 2017 - SIAM
In this article, we revisit iterative methods for solving the inverse source problem of
photoacoustic tomography in free space. Recently, there have been interesting …

A direct method for photoacoustic tomography with inhomogeneous sound speed

Z Belhachmi, T Glatz, O Scherzer - Inverse Problems, 2016 - iopscience.iop.org
The standard approach for photoacoustic imaging with variable speed of sound is time
reversal, which consists of solving a well-posed final-boundary value problem for the wave …