A halftone screen and method for generating halftones representing a continuous tone image, wherein {HEAD ~ the number} of halftone dots per unit area varies non proportionally with {TAIL ~ the tone values} utilized as inputs to the screening process 
varies non proportionally with
A halftone screen and method for generating halftones representing a continuous tone image , wherein { HEAD ~ the number } of halftone dots per unit area varies non proportionally with { TAIL ~ the tone values } utilized as inputs to the screening process
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH