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Table 5 Analysis of physical phantom measurements

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

Projections Synthetic 64 U1 Synthetic 32 U4 Measured
SSIM NRMSE (%) SSIM NRMSE (%) SSIM NRMSE (%)
Jaszczak Simulated noise-free 0.993 3.14 0.989 3.74 0.973 7.11
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
Measured 0.987 0.59 0.989 0.58 1 0
  1. SSIM and NRMSE values between synthetic projections generated based on measured projections and simulated noise-free and measured projections, respectively