Computer graphics processing and selective visual display system – Computer graphics processing – Graphic manipulation
Reexamination Certificate
2007-10-23
2007-10-23
Tung, Kee M (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Graphic manipulation
C345S596000, C345S597000, C345S598000, C345S599000, C345S619000
Reexamination Certificate
active
10393249
ABSTRACT:
A method of rendering a plurality of graphical objects of an image on a scanline basis, with each scanline having at least one run of pixels, and each run of pixels being associated with at least one of the graphical objects such that the pixels of the run are within edges of the at least one graphical object, includes the steps of decomposing each of the graphical objects into at least one edge representing the corresponding graphical object, and sorting one or more arrays containing the edges representing the graphical objects of the image. At least one of the arrays is sorted in an order from a highest priority graphical object to a lowest priority graphical object. Additional steps include, for each run of pixels of each scanline, determining edges of the graphical objects defining the run, graphical objects contributing to the run of pixels and edges of the contributing graphical objects, using the one or more arrays, and generating the run of pixels by halftoning pixel data within the edges of a highest priority contributing graphical object, if the highest priority contributing graphical object is opaque, otherwise, compositing data associated with the highest priority contributing graphical object and one or more further contributing graphical objects, and halftoning the composited data.
REFERENCES:
patent: 5555094 (1996-09-01), Lefebvre et al.
patent: 5668931 (1997-09-01), Dermer
patent: 5748986 (1998-05-01), Butterfield et al.
patent: 5946451 (1999-08-01), Söker
patent: 5949964 (1999-09-01), Clouthier et al.
patent: 5966467 (1999-10-01), Davies
patent: 5986661 (1999-11-01), Hemingway
patent: 6046748 (2000-04-01), Horowitz et al.
patent: 6108014 (2000-08-01), Dye
patent: 6137589 (2000-10-01), Obrador et al.
patent: 6268859 (2001-07-01), Andresen et al.
patent: 6483519 (2002-11-01), Long et al.
patent: 6795048 (2004-09-01), Lie
patent: 100 12 521 (2001-09-01), None
patent: 0 924 651 (1999-06-01), None
patent: 0 924 653 (1999-06-01), None
patent: 1 154 632 (2001-11-01), None
patent: 9-18703 (1997-01-01), None
patent: 11-147344 (1999-06-01), None
patent: 2000-137825 (2000-05-01), None
patent: 2000-235643 (2000-08-01), None
patent: 2002-63583 (2002-02-01), None
patent: 2001-85276 (2001-09-01), None
patent: WO96/31837 (1996-10-01), None
patent: WO 00/00951 (2000-01-01), None
patent: WO 00/68887 (2000-11-01), None
Puckett Giles
Smith David Christopher
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Harrison Chante
Tung Kee M
LandOfFree
System and method for optimising halftoning printer performance does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System and method for optimising halftoning printer performance, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for optimising halftoning printer performance will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3828470