Inventor
CLARK RAYMOND J
US22 patents
⚠️ This page may combine multiple inventors who share the name “CLARK RAYMOND J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
17 patentsUS6347153B1Feb 12, 2002
Method and system for classifying and processing of pixels of image data
XEROX CORP115 citations98
US6181829B1Jan 30, 2001
Method and system for classifying and processing of pixels of image data
XEROX CORP64 citations96
US5852678ADec 22, 1998
Detection and rendering of text in tinted areas
XEROX CORP64 citations96
US5765029AJun 9, 1998
Method and system for fuzzy image classification
XEROX CORP77 citations96
US6229923B1May 8, 2001
Method and system for classifying and processing of pixels of image data
XEROX CORP43 citations92
US6185336B1Feb 6, 2001
Method and system for classifying a halftone pixel based on noise injected halftone frequency estimation
XEROX CORP25 citations92
US6137907AOct 24, 2000
Method and apparatus for pixel-level override of halftone detection within classification blocks to reduce rectangular artifacts
XEROX CORP53 citations92
US9079440B1Jul 14, 2015
System for detecting inoperative inkjets in printheads ejecting clear ink using a light transmitting substrate
XEROX CORP11 citations84
US4757389AJul 12, 1988
Calibration improvement with dither for a raster input scanner
XEROX CORP20 citations82
US9302519B1Apr 5, 2016
System for detecting malfunctioning ejectors in three-dimensional object printing using specular reflectance
XEROX CORP14 citations80
US6411735B1Jun 25, 2002
Method and apparatus for distinguishing between noisy continuous tone document types and other document types to maintain reliable image segmentation
XEROX CORP7 citations74
US10919310B1Feb 16, 2021
Methods for operating printhead inkjets to attenuate ink drying in the inkjets during printing operations
XEROX CORP2 citations73
US9561644B1Feb 7, 2017
System and method for compensating for malfunctioning inkjets
XEROX CORP5 citations72
US8807695B1Aug 19, 2014
System and method for estimating ink usage in an inkjet printer
XEROX CORP4 citations72
US9090113B1Jul 28, 2015
System for detecting inoperative ejectors in three-dimensional object printing using a pneumatic sensor
XEROX CORP2 citations62
US6631215B1Oct 7, 2003
Method and apparatus for implementing integrated cavity effect correction in scanners
XEROX CORP3 citations62
US6128408AOct 3, 2000
Method for augmenting sum-of-laplacians in light and dark areas of halftone field to maintain reliable segmentation
XEROX CORP6 citations62