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Generating retinal flow maps from structural optical coherence tomography with artificial intelligence
[article]
2018
arXiv
pre-print
Preserved Fulltext
maps from standard structural optical coherence tomography (OCT) images of the same retinae, both exceeding the ability and bypassing the need for expert labeling. ...
We used images from optical coherence tomography angiography (OCTA), a relatively new imaging modality that measures perfusion of the retinal vasculature, to train an AI algorithm to generate vasculature ...
Optical coherence tomography (OCT) is a non-invasive imaging modality of structural retina in vivo . ...
arXiv:1802.08925v1
fatcat:cr6u62fho5bnbpzureuffjratu
Generating perfusion maps from structural optical coherence tomography with artificial intelligence
[article]
2018
bioRxiv
pre-print
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maps from standard structural optical coherence tomography (OCT) images of the same retinae, both exceeding the ability and bypassing the need for expert labeling. ...
We used images from optical coherence tomography angiography (OCTA), a relatively new imaging modality that measures perfusion of the retinal vasculature, to train an AI algorithm to generate vasculature ...
Figure 3 : 3 En-face projection maps of retinal blood flowcreated from structural OCT volumes (A, D, G, J), AI-generated inferred flow volumes (B, E, H, K) and OCTA flow volumes (C, F, I, L). ...
doi:10.1101/271346
fatcat:k6xphuf3q5cefpq3gyhledncxq
DeshadowGAN: A Deep Learning Approach to Remove Shadows from Optical Coherence Tomography Images
2020
Translational Vision Science & Technology
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To remove blood vessel shadows from optical coherence tomography (OCT) images of the optic nerve head (ONH). ...
A custom generative adversarial network (named DeshadowGAN) was designed and trained with 2328 B-scans in order to remove blood vessel shadows in unseen B-scans. ...
them from non-glaucoma eyes. 3 To better understand how glaucoma affects the structure and biomechanics of the eye, optical coherence tomography (OCT) has been shown to be a promising tool. 4 It uses ...
doi:10.1167/tvst.9.2.23
pmid:32818084
pmcid:PMC7396186
fatcat:idmc66gskjblxpcwnoiwjv4gx4
Trends in Research Related to Ophthalmic OCT Imaging From 2011 to 2020: A Bibliometric Analysis
2022
Frontiers in Medicine
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The most co-cited references mainly focused on new emerging OCT techniques such as spectral domain optical coherence tomography (SD-OCT) and optical coherence tomography angiography (OCTA).ConclusionThe ...
ObjectiveThe aim of this study was to explore hotspots and global research trends on optical coherence tomography (OCT) in the ophthalmic imaging field using the bibliometric technique.MethodsDocuments ...
Retinal nerve fiber layer (139) (397) Spectral domain optical coherence tomography Choroidal neovascularization (69) Anterior segment optical coherence tomography (SD-OCT) (260) (AS-OCT)(118) Retina (115 ...
doi:10.3389/fmed.2022.820706
pmid:35572958
pmcid:PMC9091450
fatcat:vacvovpbvrfm5jxb5vvb7o4dne
Diabetic macular thickness diagnostic guideded by optical coherence tomography using artificial intelligence methods: a scoping review protocol
[article]
2020
medRxiv
pre-print
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This scoping review aims to study these AI techniques applied in Opctical Coherence Tomography (OCT) images. ...
The results from this scoping review will be published in a peer reviewed journal and reported at scientific meetings. We intend to share the results with the Ophthalmologists. ...
The results from this scoping review will be published in a peer-reviewed journal and reported at scientific meetings. ...
doi:10.1101/2020.10.17.20214288
fatcat:vlnweb7jqffljhlxoduc4uuqwu
An evidence‐based approach to the routine use of optical coherence tomography
2018
Clinical and experimental optometry
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Practical, illustrative guides on the interpretation of optical coherence tomography are provided for three major diseases of the ocular fundus, in which optical coherence tomography is often crucial to ...
Optical coherence tomography is an imaging technology that has revolutionised the detection, assessment and management of ocular disease. ...
ACKNOWLEDGEMENTS This work was supported, in part, by a grant from the National Health and Medical Research Council (NHMRC) of Australia (#1033224), Guide Dogs NSW/ACT is also a partner on the NHMRC grant ...
doi:10.1111/cxo.12847
pmid:30560558
pmcid:PMC6590481
fatcat:chjzyfzfxvhodgyswbb3h6qbx4
Multimodal Imaging of Microvascular Abnormalities in Retinal Vein Occlusion
2021
Journal of Clinical Medicine
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The technologies of ocular imaging modalities such as optical coherence tomography (OCT) and OCT angiography (OCTA) have progressed remarkably. ...
severity of macular edema (ME) in eyes with retinal vein occlusion (RVO). ...
(A) B Scan of optical coherence tomography (OCT) angiogram. Red dots indicate the presence of flow signals. Each retinal structure at the macula is disrupted. ...
doi:10.3390/jcm10030405
pmid:33494354
pmcid:PMC7866190
fatcat:4xqc6wqulnhghhy36j25b3vgii
Optical Coherence Tomography Angiography in Diabetes and Diabetic Retinopathy
2020
Journal of Clinical Medicine
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Recently, optical coherence tomography angiography (OCTA) has been developed to image the retinal microvasculature, by generating 3-dimensional images based on the motion contrast of circulating blood ...
High-quality OCTA images have also enabled the visualization of features associated with DR, including microaneurysms and neovascularization and the quantification of alterations in retinal capillary and ...
B and E)
Figure 7 . 7 Optical coherence tomography angiography (OCTA; 3 × 3 mm area) and color-coded maps indicating regions of flow voids (B and D; labelled as red) of a choriocapillaris vascular layer ...
doi:10.3390/jcm9061723
pmid:32503234
pmcid:PMC7357089
fatcat:vpgbqmpvorbbzdcazfxkzbddu4
Automated detection of a nonperfusion area caused by retinal vein occlusion in optical coherence tomography angiography images using deep learning
2019
PLoS ONE
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We aimed to assess the ability of deep learning (DL) and support vector machine (SVM) to detect a nonperfusion area (NPA) caused by retinal vein occlusion (RVO) with optical coherence tomography angiography ...
Heat maps were generated. ...
In recent years, optical coherence tomography angiography (OCTA) has been devised, which can noninvasively detect a moving part of the fundus equivalent to red blood cells in the blood flow as a flow signal ...
doi:10.1371/journal.pone.0223965
pmid:31697697
pmcid:PMC6837754
fatcat:ai25htlvyvcebnabcmywg5gqjm
Enhanced Visualization of Retinal Microvasculature in Optical Coherence Tomography Angiography Imaging via Deep Learning
2020
Journal of Clinical Medicine
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To investigate the effects of deep learning denoising on quantitative vascular measurements and the quality of optical coherence tomography angiography (OCTA) images. ...
Methods: U-Net-based deep learning denoising with an averaged OCTA data set as teacher data was used in this study. One hundred and thirteen patients with various retinal diseases were examined. ...
Introduction Optical coherence tomography angiography (OCTA) is a non-invasive imaging method that images the three-dimensional retinal microvasculature by detecting the motion contrast of blood flow in ...
doi:10.3390/jcm9051322
pmid:32370282
fatcat:xwpinxxm7rd7zkaonfgbpjgr54
The eye, the kidney & cardiovascular disease: old concepts, better tools & new horizons
2020
Kidney International
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The advent of optical coherence tomography (OCT) has transformed retinal imaging by capturing the chorioretinal microcirculation and its dependent tissue with near-histological resolution. ...
Alterations in microvascular structure and function contribute to the development of hypertension, diabetes, CKD, and their associated cardiovascular disease. ...
S4 Retinal layer segmentation by optical coherence tomography (OCT). ...
doi:10.1016/j.kint.2020.01.039
pmid:32471642
pmcid:PMC7397518
fatcat:ogno2qf7pvhqdkfkogc7punlki
State-of-the-Art in Retinal Optical Coherence Tomography Image Analysis
[article]
2014
arXiv
pre-print
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Optical Coherence Tomography (OCT) is one of the most emerging imaging modalities that has been used widely in the field of biomedical imaging. ...
Here, the focus is on applications of OCT in ophthalmology and retinal imaging. ...
"Theory, developments and applications of optical coherence tomography." Journal of Physics D: Applied Physics 38.15 (2005): 2519. [3] Huang, David, et al. "Optical coherence tomography." ...
arXiv:1411.0740v2
fatcat:jnnx32ozbfbz5avcholiz3oxzm
Recent Developments in Detection of Central Serous Retinopathy through Imaging and Artificial Intelligence Techniques A Review
[article]
2021
arXiv
pre-print
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Additionally, it also goes over the advantages, drawbacks and limitations of a variety of traditional imaging techniques, such as Optical Coherence Tomography Angiography (OCTA), Fundus Imaging and more ...
recent approaches that utilize Artificial Intelligence techniques. ...
The retinal images before and after fluorescein angiograms are depicted in Figures 4 and 5 , respectively [36] .
3) OPTICAL COHERENCE TOMOGRAPHY (OCT) Optical Coherence Tomography (OCT) appeared as ...
arXiv:2012.10961v4
fatcat:767inj3zmrgkbigzsh7dwj4bqi
Spectral domain optical coherence tomography for glaucoma (an AOS thesis)
2008
Transactions of the American Ophthalmological Society
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Optical coherence tomography (OCT) is a rapidly evolving, robust technology that has profoundly changed the practice of ophthalmology. ...
Forty-one eyes of 21 subjects (SD-OCT) and 21 eyes of 21 subjects (TD-OCT) are studied to test retinal nerve fiber layer (RNFL) thickness measurement reproducibility. ...
Portability and Accountability Act regulations, with informed consent obtained from all subjects. ...
pmid:19277249
pmcid:PMC2646438
fatcat:ysuc6e63pncn3kyeoo4wq6lcaa
State-of-the-art in retinal optical coherence tomography image analysis
2015
Quantitative Imaging in Medicine and Surgery
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Optical coherence tomography (OCT) is an emerging imaging modality that has been widely used in the field of biomedical imaging. ...
The outcome of this step is usually thickness maps of different retinal layers which are very useful in study of normal/diseased subjects. ...
Figure 1 Figure 2 12 Optical coherence tomography of human retina and optic nerve [(Reprinted with permission) A typical optical coherence tomography (OCT) system [(Reprinted with permission) (3)]. ...
doi:10.3978/j.issn.2223-4292.2015.07.02
pmid:26435924
pmcid:PMC4559975
fatcat:m35jwvfrlfamrntdfmqqqwp5oi
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