One or more gray scale transfer functions corresponding to {TAIL ~ desired display media}, one or more sets of {HEAD ~ experimentally determined constants}, and one or more sets of algorithms are stored in a computer memory 
One or more gray scale transfer functions corresponding to { TAIL ~ desired display media } , one or more sets of { HEAD ~ experimentally determined constants } , and one or more sets of algorithms are stored in a computer memory
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH