Table 5.
FastSurfer (FastS) internal segmentation IDs and mapping to FreeSurfer (FreeS).
| Subcortical structures | FastS | FreeS | Cortical structures | FastS | FreeS |
|---|---|---|---|---|---|
| Cerebral white matter (lh) | 1 | 2 | caudalanteriorcingulate (lh) | 34 | 1002 |
| Lateral Ventricle (lh) | 2 | 4 | caudalmiddlefrontal (lh, rh) | 35 | 1003, 2003 |
| Inferior Lateral Ventricle (lh) | 3 | 5 | cuneus (lh) | 36 | 1005 |
| Cerebellar White Matter (lh) | 4 | 7 | entorhinal (lh, rh) | 37 | 1006, 2006 |
| Cerebellar Cortex (lh) | 5 | 8 | fusiform (lh, rh) | 38 | 1007, 2007 |
| Thalamus (lh) | 6 | 10 | inferiorparietal (lh, rh) | 39 | 1008, 2008 |
| Caudate (lh) | 7 | 11 | inferiortemporal (lh, rh) | 40 | 1009, 2009 |
| Putamen (lh) | 8 | 12 | isthmuscingulate (lh) | 41 | 1010 |
| Pallidum (lh) | 9 | 13 | lateraloccipital (lh, rh) | 42 | 1011, 2011 |
| 3rd-Ventricle | 10 | 14 | lateralorbitofrontal (lh) | 43 | 1012 |
| 4th-Ventricle | 11 | 15 | lingual (lh) | 44 | 1013 |
| Brain Stem | 12 | 16 | medialorbitofrontal (lh) | 45 | 1014 |
| Hippocampus (lh) | 13 | 17 | middletemporal (lh, rh) | 46 | 1015, 2015 |
| Amygdala (lh) | 14 | 18 | parahippocampal (lh) | 47 | 1016 |
| CSF | 15 | 24 | paracentral (lh) | 48 | 1017 |
| Accumbens (lh) | 16 | 26 | parsopercularis (lh, rh) | 49 | 1018, 2018 |
| Ventral DC (lh) | 17 | 28 | parsorbitalis (lh, rh) | 50 | 1019, 2019 |
| Choroid Plexus (lh) | 18 | 31 | parstriangularis (lh, rh) | 51 | 1020, 2020 |
| Cerebral white matter (rh) | 19 | 41 | pericalcarine (lh) | 52 | 1021 |
| Lateral Ventricle (rh) | 20 | 43 | postcentral (lh) | 53 | 1022 |
| Inferior Lateral Ventricle (rh) | 21 | 44 | posteriorcingulate (lh) | 54 | 1023 |
| Cerebellar White Matter (rh) | 22 | 46 | precentral (lh) | 55 | 1024 |
| Cerebellar Cortex (rh) | 23 | 47 | precuneus (lh) | 56 | 1025 |
| Thalamus (rh) | 24 | 49 | rostralanteriorcingulate (lh, rh) | 57 | 1026, 2026 |
| Caudate (rh) | 25 | 50 | rostralmiddlefrontal (lh, rh) | 58 | 1027, 2027 |
| Putamen (rh) | 26 | 51 | superiorfrontal (lh) | 59 | 1028 |
| Pallidum (rh) | 27 | 52 | superiorparietal (lh, rh) | 60 | 1029, 2029 |
| Hippocampus (rh) | 28 | 53 | superiortemporal (lh, rh) | 61 | 1030, 2030 |
| Amygdala (rh) | 29 | 54 | supramarginal (lh, rh) | 62 | 1031, 2031 |
| Accumbens (rh) | 30 | 58 | transversetemporal (lh, rh) | 63 | 1034, 2034 |
| Ventral DC (rh) | 31 | 60 | insula (lh, rh) | 64 | 1035, 2035 |
| Choroid Plexus (rh) | 32 | 63 | caudalanteriorcingulate (rh) | 65 | 2002 |
| WM-hypointensities | 33 | 77 | cuneus (rh) | 66 | 2005 |
| isthmuscingulate (rh) | 67 | 2010 | |||
| lateralorbitofrontal (rh) | 68 | 2012 | |||
| lingual (rh) | 69 | 2013 | |||
| medialorbitofrontal (rh) | 70 | 2014 | |||
| parahippocampal (rh) | 71 | 2016 | |||
| paracentral (rh) | 72 | 2017 | |||
| pericalcarine (rh) | 73 | 2021 | |||
| postcentral (rh) | 74 | 2022 | |||
| posteriorcingulate (rh) | 75 | 2023 | |||
| precentral (rh) | 76 | 2024 | |||
| precuneus (rh) | 77 | 2025 | |||
| superiorfrontal (rh) | 78 | 2028 |