A single pretrained 3D masked autoencoder handles arbitrary combinations of multi-sequence MRI and amyloid-PET for brain analysis by combining cross-modal distillation with atlas-guided curriculum masking and outperforms missing-modality baselines on Alzheimer's classification tasks.
In: International Conference on Medical Image Computing and Computer-Assisted Intervention
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BrainAnytime: Anatomy-Aware Cross-Modal Pretraining for Brain Image Analysis with Arbitrary Modality Availability
A single pretrained 3D masked autoencoder handles arbitrary combinations of multi-sequence MRI and amyloid-PET for brain analysis by combining cross-modal distillation with atlas-guided curriculum masking and outperforms missing-modality baselines on Alzheimer's classification tasks.