Fig. 1From: Ultra-low-dose CT reconstructed with the artificial intelligence iterative reconstruction algorithm (AIIR) in 18F-FDG total-body PET/CT examination: a preliminary studyBox plot of objective measurements on phantom among the SDCT-HIR, ULDCT-HIR and ULDCT-AIIR. (a–d): The CTmean, CTsd, CNR and SNR of the SDCT-HIR, ULDCT-HIR and ULDCT-AIIRBack to article page