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