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Schematic diagram of the proposed MWAN for joint regression of multiple clinical scores from whole-brain MRI scans. Our MWAN is end-to-end and fully trainable, which consists of a backbone FCN, a weakly-supervised dementia attention block, and an attention-ware multitask regression block. Here, F, A, s, and Ā denote the output of corresponding layers in the dementia attention block. Notably, s is first softmax-normalized for the multiplication with A.
