REF: added default params
REF: added default params

Former-commit-id: ff526de9f7a9b00d8f591e3fe36db54ed091425c
Former-commit-id: 6dfa1b3cccbbe877560e1b6a9b19d02d651ad6a4
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox