P

Inventor

LIN YING-WEI

US43 patents

Patents

43 patents
US6941014B2Sep 6, 2005

Method and apparatus for segmenting an image using a combination of image segmentation techniques

XEROX CORP112 citations98
US6069973AMay 30, 2000

Method and apparatus for color correction in a multi-chip imaging array

XEROX CORP70 citations96
US5742703AApr 21, 1998

Method and apparatus for the resolution enhancement of gray-scale images that include text and line art

XEROX CORP75 citations96
US5729663AMar 17, 1998

Method and apparatus for gray screening

XEROX CORP64 citations96
US5689343ANov 18, 1997

Area mapping employing reference clusters for high quality noninteger resolution conversion with enhancement

XEROX CORP77 citations96
US5237432AAug 17, 1993

Image scaling apparatus

XEROX CORP65 citations95
US4920428AApr 24, 1990

Offset, gain and bad pixel correction in electronic scanning arrays

XEROX CORP121 citations95
US7116443B2Oct 3, 2006

Neutral pixel detection using color space feature vectors wherein one color space coordinate represents lightness

XEROX CORP38 citations93
US7031543B2Apr 18, 2006

Grayscale image de-speckle algorithm

XEROX CORP26 citations93
US7006256B2Feb 28, 2006

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

XEROX CORP21 citations93
US6947597B2Sep 20, 2005

Soft picture/graphics classification system and method

XEROX CORP21 citations93
US6839152B2Jan 4, 2005

Adaptive filtering method and apparatus for descreening scanned halftoned image representations

XEROX CORP28 citations93
US6834124B1Dec 21, 2004

Adaptive image enhancement filter

XEROX CORP49 citations93
US6426802B1Jul 30, 2002

Complementary halftone screens for highlight printing

XEROX CORP26 citations93
US5659399AAug 19, 1997

Method for controlling compact dot growth

XEROX CORP22 citations93
US5553171ASep 3, 1996

Apparatus and method for arbitrary binary resolution conversion

XEROX CORP43 citations93
US8368964B2Feb 5, 2013

Method for estimation of image defocus and defocus restoration

XEROX CORP22 citations92
US7119924B2Oct 10, 2006

Detection and segmentation of sweeps in color graphics images

XEROX CORP19 citations92
US6983068B2Jan 3, 2006

Picture/graphics classification system and method

XEROX CORP33 citations92
US6297889B1Oct 2, 2001

Logic-based image processing method

XEROX CORP25 citations92
US5740334AApr 14, 1998

Quantization method for color document reproduction in a color printing system

XEROX CORP42 citations92
US5493419AFeb 20, 1996

Stack filters for 1-to-N bit image processing in electronic printers

XEROX CORP19 citations92
US4811115AMar 7, 1989

Image processing apparatus using approximate auto correlation function to detect the frequency of half-tone image data

XEROX CORP52 citations92
US6717700B1Apr 6, 2004

Method and system for adjusting binary images

XEROX CORP22 citations89
US7424151B2Sep 9, 2008

Method and system for image classification and halftone frequency detection

XEROX CORP12 citations84
US7239430B2Jul 3, 2007

Binary halftone detection

XEROX CORP20 citations84
US7009739B1Mar 7, 2006

Color to black and white converter

XEROX CORP16 citations84
US6356654B1Mar 12, 2002

Systems and methods for template matching of multicolored images

XEROX CORP18 citations84
US5471320ANov 28, 1995

Stack filters for 1-to-N bit image processing in electronic printers

XEROX CORP16 citations82
US5086485AFeb 4, 1992

Method and apparatus for dynamically setting a background level

XEROX CORP21 citations82
US7386159B2Jun 10, 2008

Magnetic watermark for text documents

XEROX CORP6 citations74
US7058350B2Jun 6, 2006

Copier or scanner platen cover with fluorescent coating

XEROX CORP9 citations74
US6728004B2Apr 27, 2004

Logic-based image processing method

XEROX CORP5 citations74
US5859931AJan 12, 1999

Image compression and decompression using predictive coding and error diffusion

XEROX CORP11 citations74
US4705387ANov 10, 1987

Cleaning apparatus for charge retentive surface

XEROX CORP7 citations74
US4639115AJan 27, 1987

Development apparatus with paper debris remover

XEROX CORP19 citations74
US5029020AJul 2, 1991

Scanner with slow scan image context processing

XEROX CORP13 citations71
US4916551AApr 10, 1990

Multi-channel image processing with cross channel context

XEROX CORP13 citations71
US6549656B1Apr 15, 2003

Fuzzy image segmentation

XEROX CORP4 citations63
US6347115B1Feb 12, 2002

Method and system for predictive coding of images treated with the Roberts Method

XEROX CORP4 citations63
US6285463B1Sep 4, 2001

Method and apparatus for image compensation of blooming artifacts

XEROX CORP5 citations62
US7706594B2Apr 27, 2010

Magnetic watermark for text documents

XEROX CORP0 citations52
US7218332B2May 15, 2007

Method and apparatus for windowing and image rendition

XEROX CORP0 citations42