Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Efficient search for a gray-level pattern in an image using ranges of sums

Efficient search for a gray-level pattern in an image using ranges of sums

US Patent 6310983 · Granted Oct 30, 2001

Estimated economic value: $9,452,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Adjusting camera parameters associated with a plurality of images2015
Watermarking digital documents2012
Watermarking digital documents2012
System and method for generating a signed hardcopy document and authentication t2010
System for authenticating hardcopy documents2008
Transmission of subsets of layout objects at different resolutions2003
Sorting image segments into clusters based on a distance measurement2003
Relabelling of tokenized symbols in fontless structured document image represent2003
Methods and apparatus for partial encryption of tokenized documents2002
Method and apparatus for image processing employing image segmentation using tok2001
Relabeling of tokenized symbols in fontless structured document image representa2001
Efficient search for a gray-level pattern in an image2001