Inventor
COUWENHOVEN DOUGLAS W
US49 patents
⚠️ This page may combine multiple inventors who share the name “COUWENHOVEN DOUGLAS W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
41 patentsUS6011595AJan 4, 2000
Method for segmenting a digital image into a foreground region and a key color region
EASTMAN KODAK CO145 citations98
US6354689B1Mar 12, 2002
Method of compensating for malperforming nozzles in a multitone inkjet printer
EASTMAN KODAK CO169 citations97
US6435657B1Aug 20, 2002
Method for multicolorant printing of digital images using reduced colorant amounts
EASTMAN KODAK CO63 citations96
US6046822AApr 4, 2000
Ink jet printing apparatus and method for improved accuracy of ink droplet placement
EASTMAN KODAK CO57 citations96
US5708511AJan 13, 1998
Method for adaptively compressing residual digital image data in a DPCM compression system
EASTMAN KODAK CO155 citations96
US5553199ASep 3, 1996
Method and apparatus for calibrating a four color printer
EASTMAN KODAK CO88 citations96
US6454389B1Sep 24, 2002
Multipass inkjet printing using print masking
EASTMAN KODAK CO27 citations93
US6312101B1Nov 6, 2001
Method of printing digital images using multiple colorants having substantially the same color
EASTMAN KODAK CO25 citations93
US5975671ANov 2, 1999
Method and apparatus for printing an image on a device having multiple dot densities and multiple dot areas
EASTMAN KODAK CO20 citations93
US5757517AMay 26, 1998
Adaptive error diffusion method
EASTMAN KODAK CO48 citations93
US5581371ADec 3, 1996
Error diffusion method
EASTMAN KODAK CO32 citations93
US7369276B2May 6, 2008
Multi-level halftoning providing improved texture uniformity
EASTMAN KODAK CO29 citations92
US7365879B2Apr 29, 2008
Determining sets of n-dimensional colorant control signals
EASTMAN KODAK CO25 citations92
US7245395B2Jul 17, 2007
Calibrating a digital printer using a cost function
EASTMAN KODAK CO22 citations92
US7239422B2Jul 3, 2007
Color gamut mapping using a cost function
EASTMAN KODAK CO32 citations92
US5986771ANov 16, 1999
Method for computing a control signal for combining digital images
EASTMAN KODAK CO25 citations92
US5937104AAug 10, 1999
Combining a first digital image and a second background digital image using a key color control signal and a spatial control signal
EASTMAN KODAK CO52 citations92
US5596602AJan 21, 1997
Data compression rate control method and apparatus
EASTMAN KODAK CO24 citations92
US7212229B2May 1, 2007
Digital camera providing image processing for an attachable printer
EASTMAN KODAK CO28 citations91
US7050197B1May 23, 2006
Image processor for high-speed printing applications
EASTMAN KODAK CO27 citations91
US6273542B1Aug 14, 2001
Method of compensating for malperforming nozzles in an inkjet printer
EASTMAN KODAK CO32 citations91
US7982916B2Jul 19, 2011
Color error diffusion with error signal offset
EASTMAN KODAK CO8 citations84
US7651206B2Jan 26, 2010
Output image processing for small drop printing
EASTMAN KODAK CO13 citations84
US7362472B2Apr 22, 2008
Color error diffusion
EASTMAN KODAK CO12 citations84
US7196817B2Mar 27, 2007
Printing of digital images using reduced colorant amounts while preserving perceived color
EASTMAN KODAK CO10 citations84
US7190485B2Mar 13, 2007
Method for multilevel printing of digital images using reduced colorant amounts
EASTMAN KODAK CO15 citations84
US7064869B2Jun 20, 2006
Method for halftoning a multi-channel digital color image having at least one group of similar color channels
EASTMAN KODAK CO14 citations84
US6830306B2Dec 14, 2004
Compensating for drop volume variation in an inkjet printer
EASTMAN KODAK CO16 citations84
US6407825B1Jun 18, 2002
Colorant reduction method for digital images
EASTMAN KODAK CO14 citations84
US7387361B1Jun 17, 2008
Failed nozzle correction system and method for borderless printing
EASTMAN KODAK CO16 citations83
US8018623B2Sep 13, 2011
Multi-level halftoning providing reduced error diffusion artifacts
EASTMAN KODAK CO5 citations63
US7564589B2Jul 21, 2009
Color error diffusion with error signal offsets
EASTMAN KODAK CO6 citations63
US7234791B2Jun 26, 2007
Reducing ink bleed artifacts
EASTMAN KODAK CO5 citations63
US7715043B2May 11, 2010
Multilevel print masking method
EASTMAN KODAK CO6 citations62
US7652795B2Jan 26, 2010
Reducing ink bleed artifacts
EASTMAN KODAK CO3 citations62
US7210753B2May 1, 2007
Inkjet printing using protective ink
EASTMAN KODAK CO6 citations62
US7140709B2Nov 28, 2006
Using inkjet printer to apply protective ink
EASTMAN KODAK CO4 citations62
US7755662B2Jul 13, 2010
Digital camera providing image processing for an attachable printer
EASTMAN KODAK CO4 citations61
US6908172B2Jun 21, 2005
Method of selecting inkjet nozzle banks for assembly into an inkjet printhead
EASTMAN KODAK CO4 citations60
US7837285B2Nov 23, 2010
Inkjet printing using protective ink
EASTMAN KODAK CO0 citations51
US8356883B2Jan 22, 2013
Inkjet printing method for colorless ink using colorless ink printhead masks dependent on colored ink printing
EASTMAN KODAK CO0 citations41