If, in the second image, the user selects only a section around {HEAD ~ the position} of a cell in the first image, then the computing power or time required for {TAIL ~ segmentation} can be additionally reduced 
If , in the second image , the user selects only a section around { HEAD ~ the position } of a cell in the first image , then the computing power or time required for { TAIL ~ segmentation } can be additionally reduced
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH