PFAD removes MRI motion artifacts without paired clean data by guiding a pretrained diffusion model with low-frequency k-space information and alternating complementary masks in pixel and frequency domains.
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Motion Artifact Removal in Pixel-Frequency Domain via Alternate Masks and Diffusion Model
PFAD removes MRI motion artifacts without paired clean data by guiding a pretrained diffusion model with low-frequency k-space information and alternating complementary masks in pixel and frequency domains.