EJNMMI Physics

Table 5 SPECT reconstructed spatial resolution with scatter

From: NEMA NU 1-2018 performance characterization and Monte Carlo model validation of the Cubresa Spark SiPM-based preclinical SPECT scanner

Reporting parameter	Measurement			Simulation
Collimator	MPH	SPH	SPH	SPH	SPH
Reconstruction algorithm	MLEM	MLEM	FBP	MLEM	FBP
Central FWHM (mm)	\(1.29\pm 0.05\)	\(1.52\pm 0.04\)	\(2.23\pm 0.07\)	\(1.54 \pm 0.05\)	\(2.21 \pm 0.08\)
Radial FWHM (mm)	\(1.27\pm 0.06\)	\(1.39\pm 0.06\)	\(2.34\pm 0.11\)	\(1.40\pm 0.04\)	\(2.30\pm 0.06\)
Tangential FWHM (mm)	\(0.99\pm 0.07\)	\(1.41\pm 0.03\)	\(2.03\pm 0.11\)	\(1.43 \pm 0.03\)	\(2.06 \pm 0.10\)
Average in-plane FWHM (mm)	\(1.18\pm 0.15\)	\(1.44\pm 0.07\)	\(2.20\pm 0.16\)	\(1.46 \pm 0.07\)	\(2.19 \pm 0.12\)

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