Fig. 4
From: Applications of artificial intelligence and deep learning in molecular imaging and radiotherapy
Standard PET (high dose) estimation from 5% low-dose PET image in the sinogram and image domain. a Reference standard PET image, b 5% low-dose PET image together with the corresponding PET bias map (bottom row), c Deep learning-based standard dose prediction in the image space and d in the sinogram space along with their corresponding bias maps, respectively