Multi-level halftoning providing improved texture uniformity

Details Multi-level halftoning providing improved texture uniformity Multi-level halftoning providing improved texture uniformity

2008-05-06

2008-05-06

Poon, King Y. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C345S596000, C345S616000, C358S003050, C358S003130, C358S003140, C358S003170, C358S003180, C358S003190, C358S003230, C358S003260, C358S536000, C382S252000, C382S270000, C382S271000, C382S272000, C382S273000, C382S274000, C382S275000

Reexamination Certificate

active

07369276

ABSTRACT:
A method for multi-level halftoning an input digital image to form an output digital image which includes a multi-level error diffusion halftoning process incorporating periodic dither signals whose amplitudes are adjusted as a function of the error-diffusion texture characteristics.

REFERENCES:
patent: 4920501 (1990-04-01), Sullivan et al.
patent: 5014333 (1991-05-01), Miller et al.
patent: 5031050 (1991-07-01), Chan
patent: 5111310 (1992-05-01), Parker et al.
patent: 5214517 (1993-05-01), Sullivan et al.
patent: 5317418 (1994-05-01), Lin
patent: 5331429 (1994-07-01), Levien
patent: 5377041 (1994-12-01), Spaulding et al.
patent: 5469515 (1995-11-01), Lin
patent: 5586203 (1996-12-01), Spaulding et al.
patent: 5754311 (1998-05-01), Ray
patent: 5822451 (1998-10-01), Spaulding et al.
patent: 5946452 (1999-08-01), Spaulding et al.
patent: 6069609 (2000-05-01), Ishida et al.
patent: 6217936 (2001-04-01), Pike
patent: 6271936 (2001-08-01), Yu et al.
patent: 6285783 (2001-09-01), Isomura et al.
patent: 6449061 (2002-09-01), Metcalfe
patent: 6798537 (2004-09-01), Lau et al.
patent: 7301673 (2007-11-01), Kang
patent: 2002/0051210 (2002-05-01), Ostromoukhov
“An Adaptive Algorithm for Spatial Greyscale” Proceedings of the Society for Information Display, vol. 17, pp. 75-77, 1976 by R.W. Floyd and L. Steinberg.
“Digital Multitoning Evaluation with a Human Visual Model” IS&T's NIP13: International Conference on Digital Printing Technologies, 579-585 (1997).
“An Improved Multilevel Error Diffusion Method” Journal of Imaging Science and Technology, vol. 39, No. 6, pp. 495-501, 1995 by S. Sugiura et al.

Affiliated with

Also associated with

Rating

Multi-level halftoning providing improved texture uniformity does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-level halftoning providing improved texture uniformity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-level halftoning providing improved texture uniformity will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2798118