Assignee
CAMPBELL RICHARD JOHN
US·9 granted patents·3 pending applications·60 citations·filing 2006–2011
Top patents by PatentIndex Score
12 records- 0183US8189917B2Methods and systems for locating text in a digital imageCAMPBELL RICHARD JOHN·Filed 2008·Granted May 29, 2012·18 cites·20 claims
- 0281US8160365B2Methods and systems for identifying digital image characteristicsCAMPBELL RICHARD JOHN·Filed 2008·Granted Apr 17, 2012·16 cites·23 claims
- 0379US9390342B2Methods, systems and apparatus for correcting perspective distortion in a document imageCAMPBELL RICHARD JOHN·Filed 2011·Granted Jul 12, 2016·8 cites·28 claims
- 0473US8340430B2Methods and systems for identifying digital image characteristicsCAMPBELL RICHARD JOHN·Filed 2007·Granted Dec 25, 2012·10 cites·11 claims
- 0569US8488213B2Methods and systems for no-touch scanningCAMPBELL RICHARD JOHN·Filed 2010·Granted Jul 16, 2013·2 cites·27 claims
- 0668US8773464B2Methods and systems for collaborative-writing-surface image formationCAMPBELL RICHARD JOHN·Filed 2010·Granted Jul 8, 2014·2 cites·16 claims
- 0758US8437054B2Methods and systems for identifying regions of substantially uniform color in a digital imageCAMPBELL RICHARD JOHN·Filed 2006·Granted May 7, 2013·3 cites·22 claims
- 0853US2011141278A1Methods and Systems for Collaborative-Writing-Surface Image SharingCAMPBELL RICHARD JOHN·Filed 2010·Application pending·0 cites
- 0951US8300945B2Methods and systems for connected-component labelingCAMPBELL RICHARD JOHN·Filed 2008·Granted Oct 30, 2012·1 cites·23 claims
- 1051US2011145725A1Methods and Systems for Attaching Semantics to a Collaborative Writing SurfaceCAMPBELL RICHARD JOHN·Filed 2009·Application pending·0 cites
- 1142US2009041344A1Methods and Systems for Determining a Background Color in a Digital ImageCAMPBELL RICHARD JOHN·Filed 2007·Application pending·0 cites
- 1241US8630498B2Methods and systems for detecting pictorial regions in digital imagesCAMPBELL RICHARD JOHN·Filed 2006·Granted Jan 14, 2014·0 cites·20 claims
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