Primatologist: complete primatologist pipeline. Preprocessing and Atlas Registration: registration of a template, and of its associated labels and probability maps, towards the target image. Bayesian Segmentation: GMM initialization and Bayesian segmentation of MR images. Surfaces and Sulci Extraction: complete surface and sulci extraction pipeline (conversion + Morphologist). Prepare For Morphologist: convert a Primatologist segmentation to Morphologist-compatible masks. Hemi Surfaces and Sulci Extraction: surfaces extraction and sulci segmentation (hemisphere-wise).