Patent ID: 6356363
Filing Date: 2002-03-12
Classification: G06K,H04N

Abstract:
A method for creating a plurality of interlocked dot profiles for halftoning color images, using a computer system having a processing circuit that operates on data and a memory circuit that stores data, said method comprising:(a) allocating sufficient memory to hold a plurality of dot profiles, wherein each one of said plurality of dot profiles corresponds to at least one color plane; (b) repeatedly generating one of said plurality of dot profiles for each one of said at least one color plane, by: (i) determining a quantity of dots needed for one of said at least one color plane for the present one of said plurality of dot profiles; (ii) evaluating a numeric decision criterion for a combination of the present one of said at least one color plane and the present one of said plurality of dot profiles; (iii) combining said numeric decision criteria for all of said at least one color plane for the present one of said plurality of dot profiles in a manner such that at least one interlocked â€œnewdotâ€  location is determined in each of said at least one color plane; (iv) placing a dot in one of said plurality of dot profiles that corresponds to the present one of said plurality of dot profiles in at least one interlocked â€œnewdotâ€  location; and (c) performing steps (b)(i) through (b)(iv) for each of said plurality of dot profiles until all of said dot profiles have been generated, thereby completing all dot profiles for said at least one color plane.