DEV: improved machine learning
DEV: improved machine learning

Former-commit-id: 00faf2eb90fcb15b3883518f2f165b177b5c029c [formerly ce754fd67c4b0fc7753f542fe3af017066722359]
Former-commit-id: 6facb7b4d86cbd2a3019ee045470ff61b6f8ef84
Former-commit-id: 230ce443528ee2d5dda776548b8695c5be43b162
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox