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