Analysis of a deep learning-based method for generation of SPECT projections based on a large Monte Carlo simulated dataset

EJNMMI Physics

Table 5 Analysis of physical phantom measurements

Projections		Synthetic 64 U1		Synthetic 32 U4		Measured
Projections		SSIM	NRMSE (%)	SSIM	NRMSE (%)	SSIM	NRMSE (%)
Jaszczak	Simulated noise-free	0.993	3.14	0.989	3.74	0.973	7.11
Jaszczak	Measured	0.979	5.85	0.978	5.71	1	0
NEMA	Simulated noise-free	0.992	0.49	0.992	0.50	0.986	0.72
NEMA	Measured	0.987	0.59	0.989	0.58	1	0

SSIM and NRMSE values between synthetic projections generated based on measured projections and simulated noise-free and measured projections, respectively