BMAP/Volstat (In-house) | BET/Sienax (FSL) | |
Original images | T1 MPRAGE | T1 MPRAGE and T2 SPACE |
Process | Registration to reference brain (9 parameter) | Registration to reference brain (12 parameter) |
Output | T1 in standard space | T1 and T2 in standard space |
Process | Brain masking using BMAP (cortical CSF (ICV) contour based on T1) (stepwise region growing algorithm) | Brain masking using BET (cortical CSF (ICV) contour based on T2) (brain contour fitting algorithm) |
Output | T1 brain (ICV) | T1 brain (ICV) |
Process | Tissue segmentation (Volstat – Fuzzy c-means cluster analysis) | Tissue segmentation (Sienax- Random Markov Fields) |
Final output | Grey-, white- and CSF-cluster images | Grey-, white- and CSF-cluster images |