Automated plaque characterization using deep learning on coronary intravascular optical coherence tomographic images.
BIOMEDICAL OPTICS EXPRESS(2019)
摘要
Accurate identification of coronary plaque is very important for cardiologists when treating patients with advanced atherosclerosis. We developed fully-automated semantic segmentation of plaque in intravascular OCT images. We trained/tested a deep learning model on a folded, large, manually annotated clinical dataset. The sensitivities/specificities were 87.4%/89.5% and 85.1%/94.2% for pixel-wise classification of lipidous and calcified plaque, respectively. Automated clinical lesion metrics, potentially useful for treatment planning and research, compared favorably (<4%) with those derived from ground-truth labels. When we converted the results to A-line classification, they were significantly better (p < 0.05) than those obtained previously by using deep learning classifications of A-lines. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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关键词
plaque characterization,deep learning
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