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 patentsUS6192149B1Feb 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 patentCHAPMAN EDWARD
1 patentShowing the top 50 of 202 patents by PatentIndex Score.