Inventor
CHAUDHARI UPENDRA V
US24 patents
⚠️ This page may combine multiple inventors who share the name “CHAUDHARI UPENDRA V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
20 patentsUS7039951B1May 2, 2006
System and method for confidence based incremental access authentication
IBM235 citations99
US6490560B1Dec 3, 2002
Method and system for non-intrusive speaker verification using behavior models
IBM263 citations99
US7318032B1Jan 8, 2008
Speaker recognition method based on structured speaker modeling and a “Pickmax” scoring technique
IBM57 citations98
US6253179B1Jun 26, 2001
Method and apparatus for multi-environment speaker verification
IBM65 citations93
US7363223B2Apr 22, 2008
Policy analysis framework for conversational biometrics
IBM38 citations92
US7249263B2Jul 24, 2007
Method and system for user authentication and identification using behavioral and emotional association consistency
IBM45 citations92
US6754628B1Jun 22, 2004
Speaker recognition using cohort-specific feature transforms
IBM21 citations92
US6751590B1Jun 15, 2004
Method and apparatus for performing pattern-specific maximum likelihood transformations for speaker recognition
IBM40 citations92
US7031923B1Apr 18, 2006
Verbal utterance rejection using a labeller with grammatical constraints
IBM15 citations84
US7228279B2Jun 5, 2007
Automated decision making using time-varying stream reliability prediction
IBM13 citations83
US7437289B2Oct 14, 2008
Methods and apparatus for the systematic adaptation of classification systems from sparse adaptation data
IBM7 citations74
US7162641B1Jan 9, 2007
Weight based background discriminant functions in authentication systems
IBM9 citations74
US6772119B2Aug 3, 2004
Computationally efficient method and apparatus for speaker recognition
IBM11 citations73
US7516071B2Apr 7, 2009
Method of modeling single-enrollment classes in verification and identification tasks
IBM3 citations63
US7472062B2Dec 30, 2008
Efficient recursive clustering based on a splitting function derived from successive eigen-decompositions
IBM5 citations63
US7207068B2Apr 17, 2007
Methods and apparatus for modeling based on conversational meta-data
IBM6 citations63
US7991619B2Aug 2, 2011
System and method using blind change detection for audio segmentation
IBM4 citations62
US7831424B2Nov 9, 2010
Target specific data filter to speed processing
IBM3 citations61
US7769583B2Aug 3, 2010
Quantizing feature vectors in decision-making applications
IBM5 citations60
US7039587B2May 2, 2006
Speaker identification employing a confidence measure that uses statistical properties of N-best lists
IBM0 citations52