Inventor
RUCKLIDGE WILLIAM J
US16 patents
⚠️ This page may combine multiple inventors who share the name “RUCKLIDGE WILLIAM J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
14 patentsUS6562077B2May 13, 2003
Sorting image segments into clusters based on a distance measurement
XEROX CORP164 citations99
US5884014AMar 16, 1999
Fontless structured document image representations for efficient rendering
XEROX CORP181 citations99
US6665841B1Dec 16, 2003
Transmission of subsets of layout objects at different resolutions
XEROX CORP108 citations98
US6449718B1Sep 10, 2002
Methods and apparatus for partial encryption of tokenized documents
XEROX CORP88 citations98
US6011905AJan 4, 2000
Using fontless structured document image representations to render displayed and printed documents at preferred resolutions
XEROX CORP249 citations98
US7394573B1Jul 1, 2008
System for authenticating hardcopy documents
XEROX CORP54 citations96
US6275301B1Aug 14, 2001
Relabeling of tokenized symbols in fontless structured document image representations
XEROX CORP71 citations95
US6529285B2Mar 4, 2003
Relabelling of tokenized symbols in fontless structured document image representations
XEROX CORP21 citations92
US6249603B1Jun 19, 2001
Efficient search for a gray-level pattern in an image
XEROX CORP27 citations92
US6020972AFeb 1, 2000
System for performing collective symbol-based compression of a corpus of document images
XEROX CORP49 citations92
US5999653ADec 7, 1999
Fast techniques for searching images using the Hausdorff distance
XEROX CORP45 citations91
US6295371B1Sep 25, 2001
Method and apparatus for image processing employing image segmentation using tokenization
XEROX CORP47 citations89
US7656559B2Feb 2, 2010
System and method for generating a signed hardcopy document and authentication thereof
XEROX CORP4 citations63
US6310983B1Oct 30, 2001
Efficient search for a gray-level pattern in an image using ranges of sums
XEROX CORP3 citations62