[HTML][HTML] A practical guide for model-based reconstruction in optoacoustic imaging

XL Dean-Ben, D Razansky - Frontiers in Physics, 2022 - frontiersin.org
Optoacoustic (OA, photoacoustic) imaging capitalizes on the low scattering of ultrasound
within biological tissues to provide optical absorption-based contrast with high resolution at …

[HTML][HTML] Y-Net: Hybrid deep learning image reconstruction for photoacoustic tomography in vivo

H Lan, D Jiang, C Yang, F Gao, F Gao - Photoacoustics, 2020 - Elsevier
Conventional reconstruction algorithms (eg, delay-and-sum) used in photoacoustic imaging
(PAI) provide a fast solution while many artifacts remain, especially for limited-view with ill …

Accelerated high-resolution photoacoustic tomography via compressed sensing

S Arridge, P Beard, M Betcke, B Cox… - Physics in Medicine …, 2016 - iopscience.iop.org
Current 3D photoacoustic tomography (PAT) systems offer either high image quality or high
frame rates but are not able to deliver high spatial and temporal resolution simultaneously …

Ultrasonic computed tomography based on full-waveform inversion for bone quantitative imaging

S Bernard, V Monteiller, D Komatitsch… - Physics in Medicine & …, 2017 - iopscience.iop.org
We introduce an ultrasonic quantitative imaging method for long bones based on full-
waveform inversion. The cost function is defined as the difference in the L 2-norm sense …

[HTML][HTML] A novel dictionary-based image reconstruction for photoacoustic computed tomography

P Omidi, M Zafar, M Mozaffarzadeh, A Hariri, X Haung… - Applied Sciences, 2018 - mdpi.com
One of the major concerns in photoacoustic computed tomography (PACT) is obtaining a
high-quality image using the minimum number of ultrasound transducers/view angles. This …

Learned regularization for image reconstruction in sparse-view photoacoustic tomography

T Wang, M He, K Shen, W Liu, C Tian - Biomedical Optics Express, 2022 - opg.optica.org
Constrained data acquisitions, such as sparse view measurements, are sometimes used in
photoacoustic computed tomography (PACT) to accelerate data acquisition. However, it is …

[HTML][HTML] The double-stage delay-multiply-and-sum image reconstruction method improves imaging quality in a led-based photoacoustic array scanner

M Mozaffarzadeh, A Hariri, C Moore, JV Jokerst - Photoacoustics, 2018 - Elsevier
Light-emitting diode-based photoacoustic imaging is more compact and affordable than
laser-based systems, but it has low power and hence a high number of replicates. Here, we …

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 …

High spatial resolution investigation of OFDR based on image denoising methods

S Qu, Z Qin, Y Xu, Z Cong, Z Wang… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
Measurement accuracy of the optical frequency domain reflectometry (OFDR) will be
deteriorated severely when the spatial resolution is improved due to the influence of the …

Enhancing compressed sensing 4D photoacoustic tomography by simultaneous motion estimation

F Lucka, N Huynh, M Betcke, E Zhang, P Beard… - SIAM Journal on Imaging …, 2018 - SIAM
A crucial limitation of current high-resolution 3D photoacoustic tomography (PAT) devices
that employ sequential scanning is their long acquisition time. In previous work, we …