An image processing system employs {HEAD ~ a scanner} to generate {TAIL ~ an image} having gray content from an input halftone image 
to generate
An image processing system employs { HEAD ~ a scanner } to generate { TAIL ~ an image } having gray content from an input halftone image
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH