Inventor
HAINS CHARLES M
US28 patents
Patents
28 patentsUS6192149B1Feb 20, 2001
Method and apparatus for automatic detection of image target gamma
XEROX CORP291 citations99
US6006013ADec 21, 1999
Object optimized printing system and method
XEROX CORP112 citations98
US5687303ANov 11, 1997
Printer controller for object optimized printing
XEROX CORP141 citations98
US5649073AJul 15, 1997
Automatic calibration of halftones
XEROX CORP106 citations98
US6256104B1Jul 3, 2001
Object optimized printing system and method
XEROX CORP86 citations97
US6724500B1Apr 20, 2004
Piecewise color transformation by gamut partitioning
XEROX CORP67 citations96
US5748330AMay 5, 1998
Method of calibrating a digital printer using component test patches and the yule-nielsen equation
XEROX CORP89 citations96
US6429948B1Aug 6, 2002
Object optimized printing system and method
XEROX CORP66 citations95
US6327043B1Dec 4, 2001
Object optimized printing system and method
XEROX CORP61 citations95
US5802214ASep 1, 1998
Method for determining and loading an image-dependent look-up table for generating an enhanced image representation
XEROX CORP54 citations93
US6671064B2Dec 30, 2003
Object optimized printing system and method
XEROX CORP18 citations92
US5381247AJan 10, 1995
Method for reducing 2-color moire in 4-color printing
XEROX CORP27 citations92
US5321525AJun 14, 1994
Clustered halftoning with dot-to-dot error diffusion
XEROX CORP40 citations92
US5291296AMar 1, 1994
Specific set of rotated screens for digital halftoning
XEROX CORP20 citations92
US4168513ASep 18, 1979
Regenerative decoding of binary data using minimum redundancy codes
XEROX CORP104 citations91
US6943808B2Sep 13, 2005
System and method of reducing aliasing in printed images
XEROX CORP13 citations84
US7688473B2Mar 30, 2010
Tinted edge enhancement using harmonic halftones for the boundary pixels
XEROX CORP7 citations73
US7274492B1Sep 25, 2007
Correlated secondary TRC calibration method
XEROX CORP7 citations71
US7102792B2Sep 5, 2006
Systems and methods for modifying image data for background printing
XEROX CORP8 citations68
US6262811B1Jul 17, 2001
Increased functionality for holladay halftoning
XEROX CORP13 citations68
US7277201B2Oct 2, 2007
Systems and methods for designing digital anamorphic line screens
XEROX CORP2 citations63
US7215444B2May 8, 2007
Systems and methods for designing zero-shift supercell halftone screens
XEROX CORP6 citations63
US6442300B1Aug 27, 2002
Three-pixel line screen with high addressability and error diffusion
XEROX CORP3 citations63
US5745250AApr 28, 1998
Method of producing tint dots with pairs of holladay halftones
XEROX CORP5 citations63
US7965422B2Jun 21, 2011
Super resolution encoded microprinting through postscript
XEROX CORP6 citations62
US7576893B2Aug 18, 2009
Correlated secondary TRC calibration method
XEROX CORP4 citations60
US6208430B1Mar 27, 2001
Increased functionality for Holladay halftoning
XEROX CORP6 citations57
US7345786B2Mar 18, 2008
Method for color cast removal in scanned images
XEROX CORP1 citations52