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High-resolution computed tomography (HRCT) can demonstrate these abnormalities before the appearance of characteristic clinical symptoms [4]

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Residual-Seghead To address not only the issue of partial point cloud loss but also the feature degradation caused by repeated downsampling and upsampling in the encoderdecoder backbone, this study proposed a Residual-SegHead module, which was designed on the basis of the SegHead structure of the original model