DEV: updated create_atlas.m
DEV: updated create_atlas.m

Former-commit-id: a8269be70206026b90125a92411e6e780b640911 [formerly f0d97a931f66de8e5b92fca2b421c94cf792c94f]
Former-commit-id: 17ee4ae8b30a8d95231aaf40b2fd90796a6d06bd
Former-commit-id: b07f4a8491e172b4c7d351af6433d3a8d30f9619
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox