Dither volume with multiple thresholds for each cell

Details Dither volume with multiple thresholds for each cell Dither volume with multiple thresholds for each cell

2005-06-28

2005-06-28

Grant, II, Jerome (Department: 2626)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003100, C358S003130

Reexamination Certificate

active

06912067

ABSTRACT:
While a general large layer dither volume provides great flexibility in dither cell design, by decoupling different intensity levels, they are inefficient to access since each color component requires the retrieval of a different bit from the volume. Therefore in a multi threshold dither volume for digital halftoning a contone color image, in the form of an array of contone color pixel values to bi-level dots, there is allocated for each dither cell location a fix set of n thresholds defining n+1 intensity intervals within which said dither cell location is defined to be alternatively not set and set.

REFERENCES:
patent: 4246614 (1981-01-01), Knox
patent: 6512596 (2003-01-01), Lapstun
patent: 6714212 (2004-03-01), Tsuboyama et al.
patent: 2003/0103124 (2003-06-01), Silverbrook

Affiliated with

Also associated with

Rating

Dither volume with multiple thresholds for each cell does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dither volume with multiple thresholds for each cell, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dither volume with multiple thresholds for each cell will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3478249