P

Inventor

WANG SHEN-GE

US148 patents
⚠️ This page may combine multiple inventors who share the name “WANG SHEN-GE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

XEROX CORP

46 patents
US6252971B1Jun 26, 2001

Digital watermarking using phase-shifted stoclustic screens

XEROX CORP204 citations99
US5790703AAug 4, 1998

Digital watermarking using conjugate halftone screens

XEROX CORP317 citations99
US7324241B2Jan 29, 2008

Variable data differential gloss images

XEROX CORP62 citations98
US7148999B2Dec 12, 2006

Variable glossmark

XEROX CORP63 citations98
US7092128B2Aug 15, 2006

Application of glossmarks for graphics enhancement

XEROX CORP66 citations98
US6526155B1Feb 25, 2003

Systems and methods for producing visible watermarks by halftoning

XEROX CORP89 citations98
US6435654B1Aug 20, 2002

Color calibration for digital halftoning

XEROX CORP79 citations98
US6263086B1Jul 17, 2001

Automatic detection and retrieval of embedded invisible digital watermarks from halftone images

XEROX CORP88 citations98
US7286682B1Oct 23, 2007

Show-through watermarking of duplex printed documents

XEROX CORP55 citations96
US7126721B2Oct 24, 2006

Protecting printed items intended for public exchange with glossmarks

XEROX CORP62 citations96
US6798539B1Sep 28, 2004

Method for moire-free color halftoning using non-orthogonal cluster screens

XEROX CORP49 citations96
US5859955AJan 12, 1999

Stochastically clustered dot halftoning system

XEROX CORP67 citations96
US5748330AMay 5, 1998

Method of calibrating a digital printer using component test patches and the yule-nielsen equation

XEROX CORP89 citations96
US5673121ASep 30, 1997

Stochastic halftoning screening method

XEROX CORP91 citations96
US8730527B2May 20, 2014

Embedding infrared marks in gloss security printing

XEROX CORP20 citations93
US7894626B2Feb 22, 2011

System and method for the generation of multiple angle correlation-based digital watermarks

XEROX CORP38 citations93
US7800779B2Sep 21, 2010

System and method for image based control using inline sensors

XEROX CORP24 citations93
US7800785B2Sep 21, 2010

Methodology for substrate fluorescent non-overlapping dot design patterns for embedding information in printed documents

XEROX CORP33 citations93
US7656556B2Feb 2, 2010

Detection of a differential gloss region in a cluster-screen halftone image using filters each having a different polarization

XEROX CORP44 citations93
US7391537B2Jun 24, 2008

User interface for differential gloss images

XEROX CORP20 citations93
US7352879B2Apr 1, 2008

Conjugate cluster screens for embedding digital watermarks into printed halftone documents

XEROX CORP22 citations93
US7304770B2Dec 4, 2007

Reduction of differential gloss with halftoned clear toner

XEROX CORP37 citations93
US7301675B2Nov 27, 2007

Glossmark images with clear toner

XEROX CORP24 citations93
US7193751B2Mar 20, 2007

Tag control for runtime glossmarks

XEROX CORP24 citations93
US7180635B2Feb 20, 2007

Halftone image gloss control for glossmarks

XEROX CORP44 citations93
US7139101B2Nov 21, 2006

Anisotropic stochastic screen

XEROX CORP28 citations93
US7064860B1Jun 20, 2006

Color-balanced TRC correction to compensate for illuminant changes in printer characterization

XEROX CORP27 citations93
US7006256B2Feb 28, 2006

Watermarked image generator and method of embedding watermarks into an input image

XEROX CORP21 citations93
US6991260B2Jan 31, 2006

Anti-counterfeiting see-through security feature using line patterns

XEROX CORP21 citations93
US6917443B1Jul 12, 2005

Composite halftone screens with stochastically distributed clusters or lines

XEROX CORP25 citations93
US6844941B1Jan 18, 2005

Color halftoning using a single successive-filling halftone screen

XEROX CORP28 citations93
US6731409B2May 4, 2004

System and method for generating color digital watermarks using conjugate halftone screens

XEROX CORP55 citations93
US6501567B2Dec 31, 2002

Method and system for designing spatially-partitioned and correlated stochastic screens for color halftoning

XEROX CORP21 citations93
US6330078B1Dec 11, 2001

Feedback method and apparatus for printing calibration

XEROX CORP34 citations93
US6304340B1Oct 16, 2001

Composite halftone screens with stochastically distributed clusters or lines

XEROX CORP20 citations93
US6266157B1Jul 24, 2001

Method of error diffusion using 2×2 color correction and increment matching

XEROX CORP28 citations93
US6252679B1Jun 26, 2001

Composite halftone screens with stochastically distributed clusters or lines

XEROX CORP23 citations93
US6031618AFeb 29, 2000

Apparatus and method for attribute identification in color reproduction devices

XEROX CORP21 citations93
US6014500AJan 11, 2000

Stochastic halftoning screening method

XEROX CORP24 citations93
US7869090B2Jan 11, 2011

Variable data digital pantographs

XEROX CORP27 citations92
US7826095B2Nov 2, 2010

System and method for estimating color separation misregistration utilizing frequency-shifted halftone patterns that form a moiré pattern

XEROX CORP24 citations92
US7589865B2Sep 15, 2009

Variable differential gloss font image data

XEROX CORP25 citations92
US7580153B2Aug 25, 2009

Printed visible fonts with attendant background

XEROX CORP35 citations92
US6985256B2Jan 10, 2006

Halftoning using dot and line screens to avoid two and three color moiré

XEROX CORP32 citations92
US6775029B1Aug 10, 2004

Method for efficient calibration of printing devices

XEROX CORP49 citations92
US5740279AApr 14, 1998

Cluster dot halftoning system

XEROX CORP19 citations92

CHAPMAN EDWARD

1 patent

QIAO MU

1 patent

FAN ZHIGANG

1 patent

ESCHBACH REINER

1 patent

Showing the top 50 of 148 patents by PatentIndex Score.