Open access
Oct 2026
AnF-DiffPET: anatomy- and frequency-guided diffusion for simulated low-dose PET/CT denoising.
OBJECTIVE Positron emission tomography (PET) provides essential functional information for disease assessment. However, reducing injected activity or acquisition time produces low-dose (LD) PET with stronger count-dependent noise and less reliable uptake quantification. Diffusion models offer a promising solution for P...
Xue-Peng Liu, Rui-Li Li, Ze-Tong Liu et al.
· Physics in Medicine and Biol... · 0 citations