Fig. 3From: Deep learning-assisted PET imaging achieves fast scan/low-dose examinationTransverse images of the liver metastasis of an 80-year-old male patient with renal cancer. The upper and bottom row were reconstructed with GS and HYPER DLR approach, respectively. The acquisition time is 180, 135, 90, and 60 s (left to right). The bottom row shows the superior performance in noise reductionBack to article page