a recovering step between step S5 and step S6, and the recovering step comprising: setting the voxel of which {HEAD ~ ADC value} is no greater than {TAIL ~ the ADC threshold} of the transition area as the foreground voxel, and finding the adjacent voxels of each foreground voxel of the first image 
is no greater than
a recovering step between step S5 and step S6 , and the recovering step comprising : setting the voxel of which { HEAD ~ ADC value } is no greater than { TAIL ~ the ADC threshold } of the transition area as the foreground voxel , and finding the adjacent voxels of each foreground voxel of the first image
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH