Monochrome images are created based on {HEAD ~ the gray tone images} and {TAIL ~ color coefficiency tables} 
Monochrome images are created based on { HEAD ~ the gray tone images } and { TAIL ~ color coefficiency tables }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL