Quantification of lung ventilation defects on hyperpolarized MRI: The Multi-Ethnic Study of Atherosclerosis (MESA) COPD study

Xuzhe Zhang,Elsa D Angelini,Fateme S Haghpanah,Andrew F Laine,Yanping Sun,Grant T Hiura,Stephen M Dashnaw,Martin R Prince,Eric A Hoffman,Bharath Ambale-Venkatesh,Joao A Lima,Jim M Wild,Emlyn W Hughes,R Graham Barr,Wei Shen

Magnetic Resonance Imaging（2022）

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摘要

•Development of an end-to-end 3He MRI segmentation framework based on cascaded U-Net.•Evaluation of GAN-based DA on pulmonary MRI segmentation.•The proposed framework yields robust segmentation among old smokers.

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关键词

MRI,Deep learning,COPD,Ventilation defects,Hyperpolarized gas

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