1. Articles from Sehwan Kim

    1-2 of 2
    1. Dynamic programming and automated segmentation of optical coherence tomography images of the neonatal subglottis: enabling efficient diagnostics to manage subglottic stenosis

      Dynamic programming and automated segmentation of optical coherence tomography images of the neonatal subglottis: enabling efficient diagnostics to manage subglottic stenosis

      Subglottic stenosis (SGS) is a challenging disease to diagnose in neonates. Long-range optical coherence tomography (OCT) is an optical imaging modality that has been described to image the subglottis in intubated neonates. A major challenge associated with OCT imaging is the lack of an automated method for image analysis and micrometry of large volumes of data that are acquired with each airway scan (1 to 2 Gb). We developed a tissue segmentation algorithm that identifies, measures, and conducts image analysis on tissue layers within the mucosa and submucosa and compared these automated tissue measurements with manual tracings. We noted small ...

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    2. Multimodal endoscopy for colorectal cancer detection by optical coherence tomography and near-infrared fluorescence imaging

      Multimodal endoscopy for colorectal cancer detection by optical coherence tomography and near-infrared fluorescence imaging

      While colonoscopy is the gold standard for diagnosis and classification of colorectal cancer (CRC), its sensitivity and specificity are operator-dependent and are especially poor for small and flat lesions. Contemporary imaging modalities, such as optical coherence tomography (OCT) and near-infrared (NIR) fluorescence, have been investigated to visualize microvasculature and morphological changes for detecting early stage CRC in the gastrointestinal (GI) tract. In our study, we developed a multimodal endoscopic system with simultaneous co-registered OCT and NIR fluorescence imaging. By introducing a contrast agent into the vascular network, NIR fluorescence is able to highlight the cancer-suspected area based on significant change ...

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    1-2 of 2
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  2. Topics in the News

    1. (2 articles) UC Irvine
    2. (2 articles) Zhongping Chen
    3. (1 articles) Yan Li
    4. (1 articles) Joseph C. Jing
    5. (1 articles) Brian J. F. Wong
    6. (1 articles) University College London
    7. (1 articles) Medical University of Vienna
    8. (1 articles) Kings College London
    9. (1 articles) Stefan G. Sacu
    10. (1 articles) Ursula Schmidt-Erfurth
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    Multimodal endoscopy for colorectal cancer detection by optical coherence tomography and near-infrared fluorescence imaging Dynamic programming and automated segmentation of optical coherence tomography images of the neonatal subglottis: enabling efficient diagnostics to manage subglottic stenosis Deep iterative vessel segmentation in OCT angiography Subretinal Drusenoid Deposits and Photoreceptor Loss Detecting Global and Local Progression of Geographic Atrophy by SD-OCT Imaging Ultra-high-resolution SD-OCM imaging with a compact polarization-aligned 840 nm broadband combined-SLED source Sparse Domain Gaussianization for Multi-variate Statistical Modeling of Retinal OCT Images Optical reflectance contrast of micro- and nano-structures revealed with intravital micro-OCT (Thesis) In vivo optical biopsy of choroidal osteoma: a swept source optical coherence tomography–based tumor characterization Morphological changes in intraretinal microvascular abnormalities after anti-VEGF therapy visualized on optical coherence tomography angiography SD-OCT peripapillary nerve fibre layer and ganglion cell complex parameters in glaucoma: principal component analysis Accuracy of optical coherence tomography for diagnosing glaucoma: an overview of systematic reviews Clinical Utility of Triplicate En Face Image Averaging for Optical Coherence Tomography Angiography in Glaucoma and Glaucoma Suspects