Performance comparison of commonly used photoacoustic tomography reconstruction algorithms under various blurring conditions

P Warbal, RK Saha - Journal of Modern Optics, 2022 - Taylor & Francis
A reconstructed image in photoacoustic tomography (PAT) imaging modality can be blurred
because of some system-dependent effects–broad laser pulse, the limited bandwidth of the …

Deep learning on photoacoustic tomography to remove image distortion due to inaccurate measurement of the scanning radius

S Mondal, S Paul, N Singh, RK Saha - Biomedical Optics Express, 2023 - opg.optica.org
Photoacoustic tomography (PAT) is a non-invasive, non-ionizing hybrid imaging modality
that holds great potential for various biomedical applications and the incorporation with …

Accelerated image reconstruction using extrapolated Tikhonov filtering for photoacoustic tomography

S Gutta, SK Kalva, M Pramanik… - Medical physics, 2018 - Wiley Online Library
Purpose Development of simple and computationally efficient extrapolated Tikhonov filtering
reconstruction methods for photoacoustic tomography. Methods The model‐based …

Numerical study of near-infrared light propagation in aqueous alumina suspensions using the steady-state radiative transfer equation and dependent scattering theory

H Fujii, I Terabayashi, T Aoki, Y Inoue, H Na… - Applied Sciences, 2022 - mdpi.com
Understanding light propagation in liquid phantoms, such as colloidal suspensions, involves
fundamental research of near-infrared optical imaging and spectroscopy for biological …

[HTML][HTML] Image reconstruction of the absorption coefficients with l1-norm minimization from photoacoustic measurements

S Okawa, T Hirasawa, T Kushibiki… - Quantitative imaging in …, 2015 - ncbi.nlm.nih.gov
Background The photoacoustic (PA) imaging by considering light propagation into image
reconstruction process can provide quantitative information of photon absorbers, such as …

In vivo photoacoustic imaging of uterine cervical lesion and its image processing based on light propagation in biological medium

S Okawa, K Sei, T Hirasawa, K Irisawa… - … and Sensing 2017, 2017 - spiedigitallibrary.org
For diagnosis of cervical cancer, screening by colposcope and successive biopsy are
usually carried out. Colposcope, which is a mesoscope, is used to examine surface of the …

Effects of the approximations of light propagation on quantitative photoacoustic tomography using two-dimensional photon diffusion equation and linearization

S Okawa, T Hirasawa, T Kushibiki, M Ishihara - Optical Review, 2017 - Springer
Quantitative photoacoustic tomography (QPAT) employing a light propagation model will
play an important role in medical diagnoses by quantifying the concentration of hemoglobin …

Reconstruction of the optical absorption coefficient from photoacoustic signals measured by scanning coaxial probe with regularization methods

S Okawa, T Hirasawa, T Kushibiki… - … : Imaging and Sensing …, 2014 - spiedigitallibrary.org
Reconstruction of the absorption coefficient from photoacoustic signals is discussed. The
photoacoustic (PA) signals were acquired by using a ring-shaped P (VDF-TrFE) acoustic …

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 …

Simulation of Photoacoustic Wave Generation and Propagation in Fluid-Solid Coupled Media Using Finite Integration Technique

K Nakahata, A Miki, T Maruyama - Olympiad in Engineering Science, 2023 - Springer
Photoacoustic (PA) waves using the transmission of a laser beam are being introduced in
recent nondestructive ultrasonic testing. Not parameters related to acoustic, optic, and …