U-TTT adds spatial and frequency-domain test-time training layers to a U-Net architecture to adapt PET denoising models at inference time for improved generalization across unseen dose levels and scanners.
arXiv preprint arXiv:2407.11087 (2024)
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U-TTT: Towards Generalizable PET Image Denoising via Test-Time Training
U-TTT adds spatial and frequency-domain test-time training layers to a U-Net architecture to adapt PET denoising models at inference time for improved generalization across unseen dose levels and scanners.