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【2020】An automatic COVID-19 CT segmentation based on U-Net with attention mechanism

Motivation

新型冠状病毒分割,在unet基础上做修改:

  • 加入注意力机制(通道+空间)

  • focal tversky loss(检测小区域的病灶位置)

Methods

Res_dil block(提高感受野):

注意力机制:

Experiments