Masked cross-domain self-supervised deep learning framework for photoacoustic computed tomography reconstruction

H Lan, L Huang, X Wei, Z Li, J Lv, C Ma, L Nie, J Luo - Neural Networks, 2024 - Elsevier
Accurate image reconstruction is crucial for photoacoustic (PA) computed tomography
(PACT). Recently, deep learning has been used to reconstruct PA images with a supervised …

Multispectral photoacoustic imaging of tumours in mice injected with an enzyme-activatable photoacoustic probe

T Hirasawa, RJ Iwatate, M Kamiya, S Okawa… - Journal of …, 2016 - iopscience.iop.org
Photoacoustic (PA) imaging offers depth-resolved images of optical absorbers with the
spatial resolution of ultrasound imaging. To enhance tumour contrast, tumour-specific …

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 …

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 …

[HTML][HTML] Thermoacoustic elastography: recovery of bulk elastic modulus of heterogeneous media using tomographically measured thermoacoustic measurements

Z Zheng, H Jiang - Quantitative Imaging in Medicine and Surgery, 2019 - ncbi.nlm.nih.gov
Background Tissue mechanical parameters such as elasticity are of great significance for
the assessment of biological histopathological and physiological characteristics. Here, we …

Cross-domain Self-supervised Framework for Photoacoustic Computed Tomography Image Reconstruction

H Lan, L Huang, Z Li, J Lv, J Luo - arXiv preprint arXiv:2301.06681, 2023 - arxiv.org
Accurate image reconstruction is crucial for photoacoustic (PA) computed tomography
(PACT). Recently, deep learning has been used to reconstruct the PA image with a …

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 …

RETRACTED ARTICLE: KRLODPLSMR-GCV3DC—improving contrast-based photoacoustic imaging based on model reconstruction

W Kang, H Gao, D Pan, X Zhao - Journal of Nanoparticle Research, 2020 - Springer
Contrast-based photoacoustic imaging is an emerging imaging technology that gold
nanoparticles (a kind of photoacoustic contrast agent with a size of 100 nm) are injected into …

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 …