P

Inventor

ESCHBACH REINER

US202 patents
⚠️ This page may combine multiple inventors who share the name “ESCHBACH REINER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

XEROX CORP

48 patents
US6192149B1Feb 20, 2001

Method and apparatus for automatic detection of image target gamma

XEROX CORP291 citations99
US5363209ANov 8, 1994

Image-dependent sharpness enhancement

XEROX CORP187 citations99
US7324241B2Jan 29, 2008

Variable data differential gloss images

XEROX CORP62 citations98
US6718051B1Apr 6, 2004

Red-eye detection method

XEROX CORP115 citations98
US6441923B1Aug 27, 2002

Dynamic creation of color test patterns based on variable print settings for improved color calibration

XEROX CORP99 citations98
US5581370ADec 3, 1996

Image-dependent automatic area of interest enhancement

XEROX CORP117 citations98
US5450502ASep 12, 1995

Image-dependent luminance enhancement

XEROX CORP240 citations98
US5414538AMay 9, 1995

Image-dependent exposure enhancement

XEROX CORP153 citations98
US5347374ASep 13, 1994

Cascaded image processing using histogram prediction

XEROX CORP115 citations98
US5293254AMar 8, 1994

Method for maintaining bit density while converting images in scale or resolution

XEROX CORP148 citations98
US5045952ASep 3, 1991

Method for edge enhanced error diffusion

XEROX CORP141 citations98
US6646762B1Nov 11, 2003

Gamut mapping preserving local luminance differences

XEROX CORP55 citations96
US6389163B1May 14, 2002

Method and apparatus for automatic image segmentation using template matching filters

XEROX CORP40 citations96
US6381037B1Apr 30, 2002

Dynamic creation of color test patterns for improved color calibration

XEROX CORP55 citations96
US6342951B1Jan 29, 2002

Gamut mapping algorithm using inverted gamma function

XEROX CORP57 citations96
US6275304B1Aug 14, 2001

Automated enhancement of print quality based on feature size, shape, orientation, and color

XEROX CORP59 citations96
US5978519ANov 2, 1999

Automatic image cropping

XEROX CORP281 citations96
US5565994AOct 15, 1996

Multiple separation error diffusion, with cross separation correlation control for color images

XEROX CORP81 citations96
US5535019AJul 9, 1996

Error diffusion halftoning with homogeneous response in high/low intensity image regions

XEROX CORP57 citations96
US5450217ASep 12, 1995

Image-dependent color saturation correction in a natural scene pictorial image

XEROX CORP116 citations96
US5379122AJan 3, 1995

Decompression of standard ADCT-compressed images

XEROX CORP61 citations96
US5371615ADec 6, 1994

Image-dependent color correction using black point and white point in a natural scene pictorial image

XEROX CORP65 citations96
US5268774ADec 7, 1993

Halftoning with enhanced dynamic range and edge enhanced error diffusion

XEROX CORP67 citations96
US5258854ANov 2, 1993

Converting between write-white, write-black and neutral bitmaps

XEROX CORP74 citations96
US5243443ASep 7, 1993

Halftoning with error feedback and image dependent enhancement

XEROX CORP85 citations96
US5226094AJul 6, 1993

Method for making image conversions with error diffusion

XEROX CORP69 citations96
US5208871AMay 4, 1993

Pixel quantization with adaptive error diffusion

XEROX CORP66 citations96
US9137232B2Sep 15, 2015

Method and system for controlling access to document data using augmented reality marker

XEROX CORP37 citations94
US5621546AApr 15, 1997

Method and apparatus for vector error diffusion with output color control

XEROX CORP83 citations94
US8730527B2May 20, 2014

Embedding infrared marks in gloss security printing

XEROX CORP20 citations93
US7800785B2Sep 21, 2010

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

XEROX CORP33 citations93
US7391537B2Jun 24, 2008

User interface for differential gloss images

XEROX CORP20 citations93
US7382915B2Jun 3, 2008

Color to grayscale conversion method and apparatus

XEROX CORP36 citations93
US7352912B2Apr 1, 2008

Method for automatically determining a region of interest for text and data overlay

XEROX CORP24 citations93
US6954287B1Oct 11, 2005

Gamut mapping preserving local luminance differences with adaptive spatial filtering

XEROX CORP38 citations93
US6795211B1Sep 21, 2004

Resolution enhancement of compressed image data

XEROX CORP23 citations93
US6334001B2Dec 25, 2001

Iterative smoothing technique for pre-processing mixed raster content planes to improve the quality of a decompressed image and increase document compression ratios

XEROX CORP52 citations93
US6275620B2Aug 14, 2001

Method and apparatus for pre-processing mixed raster content planes to improve the quality of a decompressed image and increase document compression ratios

XEROX CORP39 citations93
US6272255B2Aug 7, 2001

Method and apparatus for pre-processing mixed raster content planes to improve the quality of a decompressed image and increase document compression ratios

XEROX CORP38 citations93
US6205257B1Mar 20, 2001

System and method for selectively noise-filtering digital images

XEROX CORP28 citations93
US6014469AJan 11, 2000

System and method for selectively noise-filtering digital images

XEROX CORP28 citations93
US5956470ASep 21, 1999

Text quality enhancement via resolution enhancement technique based on separating jaggedness detection and filtering

XEROX CORP27 citations93
US5854857ADec 29, 1998

Using encoding cost data for segmentation and background suppression in JPEG-compressed images

XEROX CORP46 citations93
US5802214ASep 1, 1998

Method for determining and loading an image-dependent look-up table for generating an enhanced image representation

XEROX CORP54 citations93
US5748785AMay 5, 1998

Inter-separation color image processing using error diffusion

XEROX CORP53 citations93
US5724455AMar 3, 1998

Automated template design method for print enhancement

XEROX CORP25 citations93
USH1684HOct 7, 1997

Fast preview processing for JPEG compressed images

XEROX CORP28 citations93
US5521718AMay 28, 1996

Efficient iterative decompression of standard ADCT-compressed images

XEROX CORP27 citations93

CLARK ROBERT ALAN

1 patent

CHAPMAN EDWARD

1 patent

Showing the top 50 of 202 patents by PatentIndex Score.