Relative PET error for different regions.

Relative PET Error (%)SegmentationAtlasCycleGAN
Whole brain6.79 ± 3.444.36 ± 1.852.62 ± 1.35
Cerebellum7.65 ± 3.245.42 ± 2.123.15 ± 1.36
Temporal lobe7.07 ± 2.785.59 ± 1.703.20 ± 1.29
Occipital lobe8.40 ± 3.615.46 ± 1.913.14 ± 1.55
Parietal lobe7.80 ± 3.554.96 ± 2.002.68 ± 1.35
Frontal lobe8.94 ± 3.244.74 ± 1.442.89 ± 1.16
Thalamus2.84 ± 1.682.33 ± 1.402.12 ± 1.24
Putamen3.44 ± 1.802.54 ± 1.432.09 ± 1.28
Caudate3.44 ± 1.802.40 ± 1.342.00 ± 1.25