{HEAD ~ Description} is made of {TAIL ~ a method} of finding the interpolation factor p for each pixel using FIG 15 
is made of
{ HEAD ~ Description } is made of { TAIL ~ a method } of finding the interpolation factor p for each pixel using FIG 15
HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH