Let D represent the input density to the characteristic curve LUT, and {HEAD ~ E} represent {TAIL ~ the characteristic curve output} 
Let D represent the input density to the characteristic curve LUT , and { HEAD ~ E } represent { TAIL ~ the characteristic curve output }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL