Assignee
COGENT SYSTEMS INC
US·9 granted patents·285 citations·filing 1985–2006
Top patents by PatentIndex Score
9 records- 0193US7616788B2System and method for fast biometric pattern matchingCOGENT SYSTEMS INC·Filed 2005·Granted Nov 10, 2009·72 cites·28 claims
- 0289US7194393B2Numerical model for image feature extractionCOGENT SYSTEMS INC·Filed 2006·Granted Mar 20, 2007·47 cites·20 claims
- 0389US7020591B1Partial differential equation model for image feature extraction and identificationCOGENT SYSTEMS INC·Filed 2002·Granted Mar 28, 2006·114 cites·47 claims
- 0481US7580567B2Method and apparatus for two dimensional image processingCOGENT SYSTEMS INC·Filed 2006·Granted Aug 25, 2009·11 cites·15 claims
- 0575US7088872B1Method and apparatus for two dimensional image processingCOGENT SYSTEMS INC·Filed 2003·Granted Aug 8, 2006·20 cites·22 claims
- 0641US4916453ASpatial filtering systemCOGENT SYSTEMS INC·Filed 1989·Granted Apr 10, 1990·10 cites·15 claims
- 0732US4811259ALimited shift signal processing system and methodCOGENT SYSTEMS INC·Filed 1986·Granted Mar 7, 1989·6 cites·30 claims
- 0831US4835724AApparatus and method of quantizing a set of weights for a weighted sun signal processing systemCOGENT SYSTEMS INC·Filed 1986·Granted May 30, 1989·3 cites·23 claims
- 0929US4807174AApparatus and method for quantizing a set of weights for a weighted sum signal processing systemCOGENT SYSTEMS INC·Filed 1985·Granted Feb 21, 1989·2 cites·28 claims
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