Vivek Tyagi
Vivek Tyagi
Research Scientist, IBM Research India, IEEE Senior Member
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Automatic speech recognition and speech variability: A review
M Benzeghiba, R De Mori, O Deroo, S Dupont, T Erbes, D Jouvet, ...
Speech communication 49 (10-11), 763-786, 2007
Vehicular traffic density state estimation based on cumulative road acoustics
V Tyagi, S Kalyanaraman, R Krishnapuram
IEEE Transactions on Intelligent Transportation Systems 13 (3), 1156-1166, 2012
New entropy based combination rules in HMM/ANN multi-stream ASR
H Misra, H Bourlard, V Tyagi
2003 IEEE International Conference on Acoustics, Speech, and Signal …, 2003
On desensitizing the Mel-Cepstrum to spurious spectral components for Robust Speech Recognition
V Tyagi, C Wellekens
Proceedings.(ICASSP'05). IEEE International Conference on Acoustics, Speech …, 2005
Mel-cepstrum modulation spectrum (MCMS) features for robust ASR
V Tyagi, I McCowan, H Misra, H Bourlard
2003 IEEE Workshop on Automatic Speech Recognition and Understanding (IEEE …, 2003
Method for protecting audio content
R Krishnapuram, NJ Mahajan, LV Subramaniam, V Tyagi, TA Faruquie
US Patent 7,974,411, 2011
On variable-scale piecewise stationary spectral analysis of speech signals for ASR
V Tyagi, H Bourlard, C Wellekens
Speech communication 48 (9), 1182-1191, 2006
Impact of variabilities on speech recognition
M Benzeghiba, R De Mori, O Deroo, S Dupont, D Jouvet, L Fissore, ...
Proc. SPECOM, 3-16, 2006
Method and system for selectively biased linear discriminant analysis in automatic speech recognition systems
V Tyagi, A Ganapathiraju, FI Wyss
US Patent 9,679,556, 2017
Fepstrum representation of speech signal
V Tyagi, C Wellekens
IEEE Workshop on Automatic Speech Recognition and Understanding, 2005., 11-16, 2005
System and method for learning alternate pronunciations for speech recognition
Z Ge, V Tyagi, A Ganapathiraju, AN Iyer, SA Randal, FI Wyss
US Patent 9,489,943, 2016
Novel acoustic features for automatic dialog-act tagging
H Arsikere, A Sen, AP Prathosh, V Tyagi
2016 IEEE International Conference on Acoustics, Speech and Signal …, 2016
A gradient descent approach for multi-modal biometric identification
J Basak, K Kate, V Tyagi, N Ratha
2010 20th International Conference on Pattern Recognition, 1322-1325, 2010
QPLC: A novel multimodal biometric score fusion method
J Basak, K Kate, V Tyagi, N Ratha
2010 IEEE Computer Society Conference on Computer Vision and Pattern …, 2010
Automatic speech recognition and intrinsic speech variation
M Benzeguiba, R De Mori, O Deroo, S Dupont, T Erbes, D Jouvet, ...
2006 IEEE International Conference on Acoustics Speech and Signal Processing …, 2006
On factorizing spectral dynamics for robust speech recognition
V Tyagi, IA McCowan, H Bourlard, H Misra
Eurospeech, 2003
Fepstrum features: Design and application to conversational speech recognition
V Tyagi
IBM Research Report, 11009, 2011
Method and system for acoustic data selection for training the parameters of an acoustic model
V Tyagi, A Ganapathiraju, FI Wyss
US Patent 9,972,306, 2018
Methods and systems for identifying keywords in speech signal
V Tyagi, PA Prasad
US Patent 9,799,325, 2017
Hybrid context dependent CD-DNN-HMM keyword spotting (KWS) in speech conversations
V Tyagi
2016 IEEE 26th International Workshop on Machine Learning for Signal …, 2016
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