1. Articles from Ronald Y. Chang

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    1. Segmentation boosting with compensation methods in optical coherence tomography angiography ...

      Segmentation boosting with compensation methods in optical coherence tomography angiography ...

      Optical coherence tomography angiography is a noninvasive imaging modality to establish the diagnosis of retinal vascular diseases. However, angiography images are significantly interfered if patients jitter or blink. In this study, a novel retinal image analysis method to accurately detect blood vessels and compensate the effect of interference was proposed. We call this the patch U-Net compensation (PUC) system, which is based on the famous U-Net. Several techniques, including a better training mechanism, direction criteria, area criteria, gap criteria, and probability map criteria, have been proposed to improve its accuracy. Simulations show that the proposed PUC achieves much better performance ...

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  2. Topics in the News

    1. (1 articles) Chang Gung University
    2. (1 articles) National Taiwan University
    3. (1 articles) Sun Yat-Sen University
    4. (1 articles) National Institutes of Health
    5. (1 articles) University of Illinois at Urbana-Champaign
    6. (1 articles) Tianjin University
    7. (1 articles) Zhejiang University
    8. (1 articles) New York Eye and Ear Infirmary
    9. (1 articles) Eric J. Chaney
    10. (1 articles) Jun Zhang
    11. (1 articles) Robert Ritch
    12. (1 articles) Stephen A. Boppart
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    Segmentation boosting with compensation methods in optical coherence tomography angiography ... Optical coherence tomography angiography in glaucoma Handheld optical coherence tomography for clinical assessment of dental plaque and gingiva Characterisation of macular superficial vessel density alteration in preclinical ethambutol-induced optic neuropathy using optical coherence tomography angiography Three-dimensional spatial reconstruction of coronary arteries based on fusion of intravascular optical coherence tomography and coronary angiography Dynamic-range compression and contrast enhancement in swept-source optical coherence tomography systems with a frequency gain compensation amplifier Healing and early stent coverage after ultrathin strut biodegradable polymer-coated sirolimus-eluting stent implantation: SiBi optical coherence tomography study Optical coherence tomography angiography of choroidal neovascularization in immune choroiditis following acute retinal necrosis Operation Night Watch: getting closer to Rembrandt despite distancing Anatomical and functional healing after resorbable magnesium scaffold implantation in human coronary vessels: A combined optical coherence tomography and quantitative flow ratio analysis "Predicting Glaucoma Progression With Optical Coherence Tomography Structural and Angiographic Parameters". Intravascular Imaging-Guided Percutaneous Coronary Intervention: A Universal Approach for Optimization of Stent Implantation