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MINIMAL WEIGHTS FOR EFFICIENT ERROR DIFFUSION

IP.com Disclosure Number: IPCOM000027516D
Original Publication Date: 1997-Jun-30
Included in the Prior Art Database: 2004-Apr-08

Publishing Venue

Xerox Disclosure Journal

Abstract

Error diffusion is a halftoning process which provides a stochastic response. As described by Floyd and Steinberg, the process operates by thresholding each input signal to produce an output signal at a predetermined number of possible levels, determines the difference between the thresholded output signal and the input signal, and distributes the difference to a predetermined set of neighboring, unprocessed pixels. Floyd and Steinberg proposes a distribution pattern as follows: