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The scheme of the proposed two-stage FOV extension method and its integration with body composition assessment pipeline. (A) The body composition assessment pipeline with the FOV extension module integrated as a preprocessing step. (B) Given a CT slice with FOV truncation as input, the stage-1 model extends the display FOV based on the predicted bounding box of the complete body. (C) The stage-2 model imputes missing tissues in the truncated region. LDCT=Low-dose CT. FOV=Field-of-view.
