1. University of Washington

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    1. Mentioned In 457 Articles

    2. Training deep learning models to work on multiple devices by cross domain learning with no additional annotations

      Explore Ophthalmology Ophthalmology
      Training deep learning models to work on multiple devices by cross domain learning with no additional annotations
      Purpose To create an unsupervised cross domain segmentation algorithm for segmenting intraretinal fluid and retinal layers on normal and pathologic macular optical coherence tomography (OCT) images from different manufacturers and camera devices. Design We sought to use Generative Adversarial Networks (GAN) to generalize a segmentation model trained on one OCT device to segment B-scans obtained from a different OCT device manufacturer in a fully unsupervised approach without labeled data from ...
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      Mentions: University College London Topcon Medical Systems University of Washington

    3. Praevium Research Inc Receives NIH Grant for Next generation MEMS-VCSEL technology for ultra-low-cost dental and periodontal swept source optical coherence tomography imaging

      Explore Optical Coherence Tomography News Dentistry , Funding , Tunable Sources
      Praevium Research Inc Receives NIH Grant for Next generation MEMS-VCSEL technology for ultra-low-cost dental and periodontal swept source optical coherence tomography imaging
      ...ed effort involves a collaboration between Praevium Research, which pioneered MEMS-VCSELs for SS-OCT, and the University of Washington (UW), a world leader in SS-OCT structural and angiographic imaging in dentistry. This...
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      Mentions: National Institutes of Health University of Washington Praevium Research

    5. Evaluation of Incipient Enamel Caries at Smooth Tooth Surfaces Using SS-OCT

      Explore MDPI Open Access Journals Platform Dentistry
      Evaluation of Incipient Enamel Caries at Smooth Tooth Surfaces Using SS-OCT
      (1) Background: Dental caries, if diagnosed at the initial stage, can be arrested and remineralized by a non-operative therapeutic approach preserving tooth structure. Accurate and reproducible diagnostic procedure is required for the successful management of incipient caries. The aim of this study was to evaluate the diagnostic accuracy of 3D swept-source optical coherence tomography (3D SS-OCT) for enamel caries at smooth tooth surface if the lesion was with remineralization. (2 ...
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      Mentions: University of Washington Tokyo Medical & Dental University

    6. Local axis orientation mapped by polarization sensitive optical coherence tomography provides a unique contrast to identify caries lesions in enamel

      Explore Optica Publishing Group Dentistry
      Local axis orientation mapped by polarization sensitive optical coherence tomography provides a unique contrast to identify caries lesions in enamel
      Due to rod-like hydroxyapatite crystal organizations, dental enamel is optically anisotropic, i.e., birefringent. Healthy enamel is known to be intrinsically negatively birefringent. However, when demineralization of enamel occurs, a considerable number of inter-crystallite spaces would be created between the crystallites in the enamel, which could lead to a sign reversion in birefringence of the enamel structure. We propose that this sign reversion can be leveraged in polarization sensitive OCT ...
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      Mentions: University of Washington

    7. Quantification and Predictors of OCT-Based Macular Curvature and Dome-Shaped Configuration

      Explore IOVS Journal Ophthalmology
      Quantification and Predictors of OCT-Based Macular Curvature and Dome-Shaped Configuration
      Purpose: To investigate macular curvature, including the evaluation of potential associations and the dome-shaped macular configuration, given the increasing myopia prevalence and expected associated macular malformations. Methods: The study included a total of 65,440 subjects with a mean age ( SD) of 57.3 8.11 years with spectral-domain optical coherence tomography (OCT) data from a unique contemporary resource for the study of health and disease that recruited more than ...
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      Mentions: University College London University of Washington University of Bonn

    8. Semisupervised representative learning for measuring epidermal thickness in human subjects in optical coherence tomography by leveraging datasets from rodent models

      Explore SPIE Digital Library Dermatology
      Semisupervised representative learning for measuring epidermal thickness in human subjects in optical coherence tomography by leveraging datasets from rodent models
      Significance: Morphological changes in the epidermis layer are critical for the diagnosis and assessment of various skin diseases. Due to its noninvasiveness, optical coherence tomography (OCT) is a good candidate for observing microstructural changes in skin. Convolutional neural network (CNN) has been successfully used for automated segmentation of the skin layers of OCT images to provide an objective evaluation of skin disorders. Such method is reliable, provided that a large ...
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      Mentions: University of Washington University of Dundee

    9. Intraoral optical coherence tomography and angiography combined with autofluorescence for dental assessment

      Explore Optica Publishing Group Dentistry
      Intraoral optical coherence tomography and angiography combined with autofluorescence for dental assessment
      There remains a clinical need for an accurate and non-invasive imaging tool for intraoral evaluation of dental conditions. Optical coherence tomography (OCT) is a potential candidate to meet this need, but the design of current OCT systems limits their utility in the intraoral examinations. The inclusion of light-induced autofluorescence (LIAF) can expedite the image collection process and provides a large field of view for viewing the condition of oral tissues ...
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      Mentions: University of Washington

    10. Correlation Between Laser Speckle Flowgraphy and OCT-Derived Retinal and Choroidal Metrics in Healthy Human Eye

      Explore TVST Journal Ophthalmology
      Correlation Between Laser Speckle Flowgraphy and OCT-Derived Retinal and Choroidal Metrics in Healthy Human Eye
      Purpose: To investigate the correlation between laser speckle flowgraphy (LSFG) signals and the quantitative metrics derived from optical coherence tomography (OCT) in normal eyes. Methods: LSFG, OCT, and OCT angiography (OCTA) imaging were performed on normal participants using a custom-designed LSFG system and a commercial swept-source OCT system. Mean (PWM) and amplitude (PWA) of the LSFG pulse waveform were selected to quantify the LSFG signals. Retinal and choroidal maps were ...
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      Mentions: University of Washington

    11. De-aliased depth-range-extended optical coherence tomography based on dual under-sampling

      Explore Optica Publishing Group
      De-aliased depth-range-extended optical coherence tomography based on dual under-sampling
      We demonstrate a dual under-sampling (DUS) method to achieve de-aliased and depth-range-extended optical coherence tomography (OCT) imaging. The spectral under-sampling can significantly reduce the data size but causes well-known aliasing artifacts. A change in the sampling frequency used to acquire the interference spectrum alters the aliasing period within the output window except for the true image; this feature is utilized to distinguish the true image from the aliasing artifacts. We ...
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      Mentions: University of Washington

    12. Intraoral optical coherence tomography and angiography combined with autofluorescence for dental assessment

      Explore Optica Publishing Group Dentistry
      Intraoral optical coherence tomography and angiography combined with autofluorescence for dental assessment
      There remains a clinical need for an accurate and non-invasive imaging tool for intraoral evaluation of dental conditions. Optical coherence tomography (OCT) is a potential candidate to meet this need, but the design of current OCT systems limits their utility in the intraoral examinations. The inclusion of light-induced autofluorescence (LIAF) can expedite the image collection process and provides a large field of view for viewing the condition of oral tissues ...
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      Mentions: University of Washington

    13. Automated counting of cerebral penetrating vessels using optical coherence tomography images of a mouse brain in vivo

      Explore aapm.onlinelibrary.wiley.com Neurology
      Automated counting of cerebral penetrating vessels using optical coherence tomography images of a mouse brain in vivo
      Rationale and objectives: Penetrating blood vessels emanating from cortical surface vasculature and lying deep in the cortex are essential vascular conduits for the shuttling of blood from superficial pial vessels to the capillary beds in parenchyma for the nourishment of neuronal brain tissues. Locating and counting the penetrating vessels is beneficial for the quantification of a course of ischemia in blood occlusive events such as stroke. This paper seeks to ...
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      Mentions: University of Washington

    14. Valve-Like Outflow System Behavior With Motion Slowing in Glaucoma Eyes: Findings Using a Minimally Invasive Glaucoma Surgery-MIGS-Like Platform and Optical Coherence Tomography Imaging

      Explore Frontiers Ophthalmology
      Valve-Like Outflow System Behavior With Motion Slowing in Glaucoma Eyes: Findings Using a Minimally Invasive Glaucoma Surgery-MIGS-Like Platform and Optical Coherence Tomography Imaging
      Purpose: This study aimed to investigate anatomic relationships and biomechanics of pressure-dependent trabecular meshwork and distal valve-like structure deformation in normal and glaucoma eyes using high-resolution optical coherence tomography (HR-OCT). Methods: We controlled Schlemm's canal (SC) pressure during imaging with HR-OCT in segments of three normal (NL) and five glaucomatous (GL) ex vivo eyes. The dissected limbal wedges were studied from 15 locations (5 NL and 10 GL). A ...
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      Mentions: Duke University University of Washington Indiana University

    15. Mitigating the effects of choroidal hyper- and hypo-transmission defects on choroidal vascularity index assessments using optical coherence tomography

      Explore Home Ophthalmology
      Mitigating the effects of choroidal hyper- and hypo-transmission defects on choroidal vascularity index assessments using optical coherence tomography
      Background: Changes in choroidal vascularity index (CVI) are associated with multiple choroid-related ocular diseases. CVI is calculated as the area/volume ratio of vessels in the choroid, which could be affected by alterations in regional signal intensities due to hypo-transmission defects (hypoTDs) caused by drusen and retinal pigment epithelium (RPE) detachments, and hyper-transmission defects (hyperTDs) caused by the absence of RPE. To develop a simulation model to verify the CVI ...
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      Mentions: University of Washington University of Miami

    16. Swept-Source Optical Coherence Tomography Detection of Bruch’s Membrane and Choriocapillaris Abnormalities in Sorsby Macular Dystrophy

      Explore LWW Online Ophthalmology
      Swept-Source Optical Coherence Tomography Detection of Bruch’s Membrane and Choriocapillaris Abnormalities in Sorsby Macular Dystrophy
      Purpose: Swept-source optical coherence tomography angiography (SS-OCTA) was used to analyze Bruch's membrane (BM) and choriocapillaris (CC) abnormalities in undiagnosed family members with Sorsby macular dystrophy (SMD). Methods: In a family with SMD (TIMP3 Tyr191Cys), SS-OCTA imaging was performed using the 6X6mm scan patter and previously validated algorithms to detect abnormalities in BM and the CC, as well as the presence of reticular pseudodrusen (RPD) and macular neovascularization (MNV ...
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      Mentions: University of Washington University of Miami
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  4. About University of Washington

    University of Washington

    The University of Washington, founded in 1861, is a public research university in Seattle, Washington, United States. It is the largest university in the Northwestern United States and the oldest public university in Washington. The UW maintains three locations, with its flagship campus in Seattle's University District and branch campuses in Tacoma and Bothell. Its operating budget for fiscal year 2005 was $3.1 billion. The university is known as a Public Ivy, an American term for state-funded institutions of higher learning that "provide[s] an Ivy League collegiate experience at a public school price."

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