Inventor
ROETLING PAUL G
US30 patents
Patents
30 patentsUS6441923B1Aug 27, 2002
Dynamic creation of color test patterns based on variable print settings for improved color calibration
XEROX CORP99 citations98
US5343309AAug 30, 1994
Image processing system and method employing adaptive filtering to provide improved reconstruction of continuous tone images from halftone images including those without a screen structure
XEROX CORP131 citations98
US7136511B2Nov 14, 2006
System and method for measuring and quantizing document quality
XEROX CORP44 citations96
US7130450B2Oct 31, 2006
System and method for measuring and quantizing document quality
XEROX CORP20 citations96
US7130451B2Oct 31, 2006
System and method for measuring and quantizing document quality
XEROX CORP21 citations96
US7116802B2Oct 3, 2006
System and method for measuring and quantizing document quality
XEROX CORP20 citations96
US7092552B2Aug 15, 2006
System and method for measuring and quantizing document quality
XEROX CORP20 citations96
US7035439B2Apr 25, 2006
System and method for measuring and quantizing document quality
XEROX CORP30 citations96
US7035438B2Apr 25, 2006
System and method for measuring and quantizing document quality
XEROX CORP28 citations96
US7024022B2Apr 4, 2006
System and method for measuring and quantizing document quality
XEROX CORP26 citations96
US6381037B1Apr 30, 2002
Dynamic creation of color test patterns for improved color calibration
XEROX CORP55 citations96
US4630125ADec 16, 1986
Unscreening of stored digital halftone images
XEROX CORP59 citations96
US4308553ADec 29, 1981
Method and apparatus for making monochrome facsimiles of color images on color displays
XEROX CORP58 citations96
US4051536ASep 27, 1977
Electronic halftone imaging system
XEROX CORP54 citations96
US7305107B2Dec 4, 2007
Method for measuring and quantizing document quality
XEROX CORP13 citations92
US7095877B2Aug 22, 2006
System and method for measuring and quantizing document quality
XEROX CORP14 citations92
US7072495B2Jul 4, 2006
System and method for measuring and quantizing document quality
XEROX CORP12 citations92
US6349146B2Feb 19, 2002
Device-biased color converting apparatus and method
XEROX CORP21 citations92
US4633327ADec 30, 1986
Enhancement halftoning
XEROX CORP39 citations92
US7308116B2Dec 11, 2007
Method for measuring and quantizing document quality
XEROX CORP8 citations82
US7260245B2Aug 21, 2007
Method for measuring and quantizing document quality
XEROX CORP7 citations82
US7092551B2Aug 15, 2006
System and method for measuring and quantizing document quality
XEROX CORP10 citations82
US4730221AMar 8, 1988
Screening techniques by identification of constant grey components
XEROX CORP20 citations82
US7266222B2Sep 4, 2007
Method for measuring and quantizing document quality
XEROX CORP4 citations74
US4970562ANov 13, 1990
Color image processing apparatus
XEROX CORP15 citations71
US7283648B2Oct 16, 2007
Method for measuring and quantizing document quality
XEROX CORP0 citations63
US7280675B2Oct 9, 2007
Method for measuring and quantizing document quality
XEROX CORP0 citations63
US7277560B2Oct 2, 2007
Method for measuring and quantizing document quality
XEROX CORP0 citations63
US7269276B2Sep 11, 2007
Method for measuring and quantizing document quality
XEROX CORP0 citations63
US3999988ADec 28, 1976
Method for real-time color masking
XEROX CORP1 citations51