FgC2F-UDiff synthesizes missing MRI modalities from any available subset using a diffusion model split into frequency-guided coarse and fine denoising stages, and reports improved quality scores on BraTS 2021 and IXI.
The multimodal brain tumor image segmentation benchmark (brats),
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FgC2F-UDiff: Frequency-guided and Coarse-to-fine Unified Diffusion Model for Multi-modality Missing MRI Synthesis
FgC2F-UDiff synthesizes missing MRI modalities from any available subset using a diffusion model split into frequency-guided coarse and fine denoising stages, and reports improved quality scores on BraTS 2021 and IXI.