. Author manuscript; available in PMC: 2022 Sep 1.

Published in final edited form as: Med Phys. 2021 Jul 28;48(9):5244–5258. doi: 10.1002/mp.15051

Table 2:

The summary of three datasets.

		Dataset	Scan time	Numbers of subject	Image dimension	Voxel size (mm³)
Simulation	GE 690 geometry	Low count (20^th, 30^th, 50^th MLEM iteration)	4 min	20 phantoms: 18 for training, 1 for validation, 1 for testing	128 × 128 × 49	3:27 × 3:27 × 3:27
Simulation	GE 690 geometry	High count (50^th MLEM iteration)	40 min		128 × 128 × 49	3:27 × 3:27 × 3:27
Real patient	GE 690	Low count (20^th, 30^th, 50^th MLEM iteration)	4 min	6 patients: 5 for training, 1 for testing	128 × 128 ×49	3:27 × 3:27 × 3:27
	GE 690	High count (50^th MLEM iteration)	40 min	6 patients: 5 for training, 1 for testing	128 × 128 ×49	3:27 × 3:27 × 3:27
	Canon Celesteion	Low count (20^th, 30^th, 50^th MLEM iteration)	2 min	7 patients: 5 for training, 1 for validation, 1 for testing	272 × 272 × 141	2:0 × 2:0 × 2:0
	Canon Celesteion	High count (50^th MLEM iteration)	14 min	7 patients: 5 for training, 1 for validation, 1 for testing	272 × 272 × 141	2:0 × 2:0 × 2:0