Quantitative photoacoustic tomography: modeling and inverse problems

T Tarvainen, B Cox - Journal of Biomedical Optics, 2024 - spiedigitallibrary.org
Significance Quantitative photoacoustic tomography (QPAT) exploits the photoacoustic
effect with the aim of estimating images of clinically relevant quantities related to the tissue's …

ValoMC: a Monte Carlo software and MATLAB toolbox for simulating light transport in biological tissue

AA Leino, A Pulkkinen, T Tarvainen - Osa Continuum, 2019 - opg.optica.org
A Monte Carlo method for photon transport has gained wide popularity in biomedical optics
for studying light behaviour in tissue. Nowadays, typical computation times range from a few …

Perturbation Monte Carlo method for quantitative photoacoustic tomography

AA Leino, T Lunttila, M Mozumder… - … on Medical Imaging, 2020 - ieeexplore.ieee.org
Quantitative photoacoustic tomography aims at estimating optical parameters from
photoacoustic images that are formed utilizing the photoacoustic effect caused by the …

Three-dimensional quantitative photoacoustic tomography using an adjoint radiance Monte Carlo model and gradient descent

J Buchmann, BA Kaplan, S Powell… - … of biomedical optics, 2019 - spiedigitallibrary.org
Quantitative photoacoustic tomography aims to recover maps of the local concentrations of
tissue chromophores from multispectral images. While model-based inversion schemes are …

Segmentation of vessel structures from photoacoustic images with reliability assessment

P Raumonen, T Tarvainen - Biomedical optics express, 2018 - opg.optica.org
Photoacoustic imaging enables the imaging of soft biological tissue with combined optical
contrast and ultrasound resolution. One of the targets of interest is tissue vasculature …

Sulfates as chromophores for multiwavelength photoacoustic imaging phantoms

M Fonseca, L An, P Beard… - Journal of Biomedical …, 2017 - spiedigitallibrary.org
As multiwavelength photoacoustic imaging becomes increasingly widely used to obtain
quantitative estimates, the need for validation studies conducted on well-characterized …

3D quantitative photoacoustic image reconstruction using Monte Carlo method and linearization

S Okawa, T Hirasawa, K Tsujita… - … and Sensing 2018, 2018 - spiedigitallibrary.org
To quantify the functional and structural information of peripheral blood vessels for
diagnoses of diseases which affects peripheral blood vessels such as diabetes and …

Validation study of a quantitative photoacoustic image reconstruction using Monte Carlo method and linearization

S Okawa, T Hirasawa, K Tsujita… - … and Sensing 2019, 2019 - spiedigitallibrary.org
By reconstructing the optical properties such as the absorption coefficient, quantitative
photoacoustic tomography (QPAT) images the micro blood vessels and the hemoglobin …

Photoacoustic tomography reconstructing absorption coefficient and effect of regularization minimizing p-norm

S Okawa, T Hirasawa, T Kushibiki… - … and Sensing 2020, 2020 - spiedigitallibrary.org
Photoacoustic (PA) tomography can be useful to measure the hemoglobin concentration in
blood vessels and tissues, and provide important information to determine the course of …

Quantitative photoacoustic tomography: experimental phantom studies

MP Bargeman Fonseca - 2017 - discovery.ucl.ac.uk
Photoacoustic tomography (PAT) is a promising non-invasive imaging modality exhibiting
high resolution, good contrast and specificity to light-absorbing molecules (chromophores) …