P

Inventor

RAO RAVISHANKAR

US37 patents
⚠️ This page may combine multiple inventors who share the name “RAO RAVISHANKAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

25 patents
US6222932B1Apr 24, 2001

Automatic adjustment of image watermark strength based on computed image texture

IBM233 citations98
US5544256AAug 6, 1996

Automated defect classification system

IBM492 citations93
US6633411B1Oct 14, 2003

Method and apparatus for repurposing binary images

IBM21 citations92
US6515770B1Feb 4, 2003

Dither mask generation with calibration-independent number of threshold levels

IBM20 citations92
US6766054B1Jul 20, 2004

Segmentation of an object from a background in digital photography

IBM22 citations91
US6721448B2Apr 13, 2004

Color clustering and segmentation using sigma filtering

IBM25 citations90
US6947178B2Sep 20, 2005

De-screening halftones using sigma filters

IBM44 citations89
US6172769B1Jan 9, 2001

Printer dependent descreening method

IBM22 citations89
US7554444B2Jun 30, 2009

System and method for alarm generation based on the detection of the presence of a person

IBM13 citations84
US7109861B2Sep 19, 2006

System and method for alarm generation based on the detection of the presence of a person

IBM15 citations84
US5943477AAug 24, 1999

Microlocal calibration of digital printers

IBM17 citations84
US6992789B2Jan 31, 2006

Method, system, and program for managing a multi-page document

IBM15 citations83
US9072496B2Jul 7, 2015

Method and system for modeling and processing fMRI image data using a bag-of-words approach

IBM8 citations77
US6055065AApr 25, 2000

Printer independent halftone image rendering

IBM13 citations74
US9454641B2Sep 27, 2016

Systems and methods for modeling and processing functional magnetic resonance image data using full-brain vector auto-regressive model

IBM5 citations73
US6714321B2Mar 30, 2004

Smoothing calibration files to improve reproduction of digitized images

IBM9 citations73
US6400468B1Jun 4, 2002

Smoothing calibration files to improve reproduction of digitized images

IBM7 citations73
US7184177B2Feb 27, 2007

Method, apparatus and article of manufacture for modifying printing based upon direct on-the-fly media characteristic parameters

IBM8 citations72
US6782126B2Aug 24, 2004

Method for combining feature distance with spatial distance for segmentation

IBM12 citations71
US6738162B1May 18, 2004

Digital printer for avoiding moire patterns by using a dithering mask and angular rotation between print head and print medium to simulate analog printer halftoning of color images

IBM8 citations70
US10515099B2Dec 24, 2019

Medical clinical trial site identification

IBM2 citations63
US6922196B1Jul 26, 2005

Priority-driven dither

IBM4 citations63
US7287015B2Oct 23, 2007

Methods and apparatus for transmitting signals through network elements for classification

IBM4 citations57
US11017000B2May 25, 2021

Medical clinical trial site identification

IBM0 citations52
US7756691B2Jul 13, 2010

Establishing relationships between components in simulation systems

IBM0 citations29

INTEL CORP

7 patents

CECCHI GUILLERMO ALBERTO

2 patents

RAO RAVISHANKAR

1 patent

BORDAWEKAR RAJESH RAMKRISHNA

1 patent

INFOPRINTSOLUTIONS COMPANY LLC

1 patent