Journal
BIOMEDICAL OPTICS EXPRESS
Volume 10, Issue 7, Pages 3257-3268Publisher
Optica Publishing Group
DOI: 10.1364/BOE.10.003257
Keywords
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Funding
- National Institutes of Health [R01 EY027833, R01 EY024544, DP3 DK104397, P30 EY010572]
- Research to Prevent Blindness (New York, NY)
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The capillary nonperfusion area (NPA) is a key quantifiable biomarker in the evaluation of diabetic retinopathy (DR) using optical coherence tomography angiography (OCTA). HOWeVer, signal reduction artifacts caused by vitreous floaters, pupil vignetting, or defocus present significant obstacles to accurate quantification. We have developed a convolutional neural network, MEDnet-V2, to distinguish NPA from signal reduction artifacts in 6x6 mm(2) OCTA. The network achieves strong specificity and sensitivity for NPA detection across a wide range of DR severity and scan quality. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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