option "input" i "Input image filename" string yes
option "output" o "Output image filename" string yes
option "input" i "Input image filename" string yes
option "output" o "Output image filename" string yes
option "radius2" - "Neighborhood radius" int no multiple default="1"
option "sampleRate2" - "Sample rate of label image for RG: number of voxels to skip between seeds" int no default="0"
option "radius2" - "Neighborhood radius" int no multiple default="1"
option "sampleRate2" - "Sample rate of label image for RG: number of voxels to skip between seeds" int no default="0"