The apertures in the selected segmentations are then modified by minimizing total leaf movement relative to the selected segmentations, and subject to physical constraints such as {TAIL ~ a maximum leaf movement constraint} or {HEAD ~ interdigitation constraint} 
The apertures in the selected segmentations are then modified by minimizing total leaf movement relative to the selected segmentations , and subject to physical constraints such as { TAIL ~ a maximum leaf movement constraint } or { HEAD ~ interdigitation constraint }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD