Schematic diagram of anchor frame matching with pulmonary nodules.
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posted on 2022-10-18, 17:40 authored by Liangsheng Wu, Jiajun Zhuang, Weizhao Chen, Yu Tang, Chaojun Hou, Chentong Li, Zhenyu Zhong, Shaoming Luo(a) Anchor frames that matched images of pulmonary nodules in the baseline training set. (b) Anchor frames that matched images of pulmonary nodules in the training set after random oversampling.
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utilizing weighted crossmedical image segmentationentropy loss functiondeep learning dependsclass weight balancingclass imbalance problembiased networks sinceaffine transformation combinedprior data distributiondata augmentation strategydata augmentation basedmultiple oversampling fusionannotated training datatraining datarandom oversamplingxlink ">tissue lesionssmall sizesmall objectspulmonary nodulesmuch higherliver tumourslits17 datasetslesion pixelslarge amountsgreatly improvedfirst expandeddsc valuesdeeplabv3 +,datasets couldct imagescould worsencnn modelbackground pixels
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