BUG: msct_register/register2d_columnwise: improved accuracy of segmentation edge definition for scaleX
BUG: msct_register/register2d_columnwise: improved accuracy of segmentation edge definition for scaleX

3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox