option "bg" - "Background value (0,1,3: filling value)" float no default="0"
option "bound" b "0-1: Set borders to foreground/ 2:safe borders " flag off
option "radius" r "Use binary ball element with given radius" int no multiple default="1"
-option "radiusInMM" m "Use binary ball element with given radius in mm (rounded to nearest voxel value)" double no multiple default="1"
+option "radiusInMM" m "Use binary ball element with given radius in mm (rounded to nearest voxel value), you can give one radius by dimension" double no multiple default="1"
option "extend" - "Extend the image size according to radius" flag off