Journal Publications

	J. Navratil ``Automatic Language Identification," chapter in "Multilingual Speech Processing," Eds. T. Schultz & K. Kirchhoff, Academic Press, April 2006, ISBN-13:978-0-12-088501-5, pp. 233-272.

	U.V. Chaudhari, J. Navratil, S.H. Maes ``Multi-Grained modeling with pattern specific maximum likelihood transformations for text-independent speaker recognition," IEEE Trans. Speech and Audio Processing, Vol. 11, No. 1, January, 2003, pp.61-69.

	R.D. Zilca ``Text-Independent speaker verification using utterance level scoring and covariance modeling," IEEE Trans. Speech and Audio Processing, Vol. 10, No. 6, September 2002, pp. 363-70.

	R.D. Zilca ``Text independent speaker verification using covariance modeling," IEEE Signal Processing Letters, Vol. 8, No. 4, April 2001.

	S.H. Maes, J. Navratil, U.V. Chaudhari, ``Conversational Speech Biometrics," Chapter in "E-Commerce Agents. Marketplace Solutions, Security Issues, ans Supply Demand," LNAI 2033, Springer Verlag, 2001. (via Springer here )

	J. Navratil ``Spoken language recognition - A step towards multilinguality in speech processing," IEEE Trans. on Speech and Audio Processing, Vol. 9, No. 6, September, 2001, pp. 678-85 .

Conference Publications

J. Navratil, D. Klusacek, "On linear DETs," Internat. Conf. on Acoustics, Speech, and Signal Processing (ICASSP-07), April, 2007, Honolulu, HI.

B. Tydlitat, J. Navratil, J. Pelecanos, G.N. Ramaswamy, "Text-independent speaker verification in embedded environments," ICASSP-07, April, 2007, Honolulu, HI.

	W. Campbell, D. Sturim, W. Shen, D.A. Reynolds, J. Navratil, "The MIT/IBM 2006 speaker recognition system: high-performance reduced-complexity recognition," ICASSP-07, April, 2007, Honolulu, HI.

	J. Navratil, "Recent advances in phonotactic language recognition using binary-decision trees," Internat. Conference on Spoken Language Processing (INTERSPEECH-06), Pittsburgh, PA, October 2006.

	J. Pelecanos, J. Navratil, and G. N. Ramaswamy "Addressing channel mismatch through speaker discriminative transforms," IEEE Odyssey Speaker and Language Recognition Workshop, Puerto Rico, June 2006.

	W. Campbell, T. Gleason, J. Navratil, D. Reynolds, W. Shen, E. Singer, P. Torres-Carrasquillo, "Advanced language recognition using cepstra and phonotactics: MITLL system performance on the NIST 2005 Language Recognition Evaluation," IEEE Odyssey Speaker and Language Recognition Workshop, Puerto Rico, June 2006.

	M. K. Omar, J. Navratil, and G. N. Ramaswamy ``Maximum Conditional Mutual Information for Speaker Verification," Proc. of Interspeech-05, Lisboa, Portugal, September 2005.

	J. Navratil, G.N. Ramaswamy ``Improved speaker model migration via stochastic synthesis," Proc. of ICASSP-05, Philadelphia, Pennsylvania, March 2005.

	J. H. Nealand, J. W.Pelecanos, R. D. Zilca, and G. N. Ramaswamy ``A Study of the Relative Importance of Temporal Characteristics in Text-Dependent and Text-Constrained Speakr Verification," Proc. of ICASSP-05, Philadelphia, Pennsylvania, March 2005.

	M. K. Omar, U. Chaudhari, and G. N. Ramaswamy ``Blind Change Detection for Audio Segmentation," Proc. of ICASSP-05, Philadelphia, Pennsylvania, March 2005.

	J. Navratil, G.N. Ramaswamy, R.D. Zilca ``Statistical model migration in speaker recognition," Proc. of ICSLP-04, Jeju, South Korea, October 2004.

	J. Navratil, G.N. Ramaswamy, ``The awe and mystery of T-Norm," Proc. of EUROSPEECH-03, Geneve, Switzerland, September 2003.

	G.N. Ramaswamy, R.D. Zilca, O. Alecksandrovich, ``A programmable policy manager for conversational biometrics," Proc. of EUROSPEECH-03, Geneve, Switzerland, September 2003.

	R.D. Zilca, J. Navratil, G.N. Ramaswamy, ``Syncpitch: A pseudo pitch synchronous algorithm for speaker recognition," Proc. of EUROSPEECH-03, Geneve, Switzerland, September 2003.

	R.D. Zilca, J. Navratil, G.N. Ramaswamy, ``Depitch and the role of fundamental frequency in speaker recognition," ICASSP-2003, Hong Kong, April, 2003.

	G.N. Ramaswamy, J. Navratil, U.V. Chaudhari, R.D. Zilca, ``The IBM system for the NIST 2002 cellular speaker verification evaluation," ICASSP-2003, Hong Kong, April, 2003.

	J. Navratil, Q. Jin, W. Andrews, J.P. Campbell, ``Phonetic speaker recognition using maximum-likelihood binary-decision tree models," Invited paper, ICASSP-2003, Hong Kong, April, 2003.

	U.V. Chaudhari, G.N. Ramaswamy, G. Potamianos, C. Neti, ``Audio-visual speaker recognition using time-varying stream reliability prediction," ICASSP-2003, Hong Kong, April, 2003.

	B. Peskin, J. Navratil, J. Abramson, D. Jones, D. Klusacek, D. Reynolds, B. Xiang, ``Using prosodic and conversational features for high-performance speaker recognition: Report from JHU WS'02," Invited paper, ICASSP-2003, Hong Kong, April, 2003.

	Q.Jin, J. Navratil, D. Reynolds, J. Campbell, W. Andrews, J. Abramson, ``Combining cross-stream and time dimension in phonetic speaker recognition," Invited paper, ICASSP-2003, Hong Kong, April, 2003.

	D. Klusacek, J. Navratil, D. Reynolds, J. Campbell, ``Conditional pronunciation modeling in speaker detection," Invited paper, ICASSP-2003, Hong Kong, April, 2003.

	J. Navratil, G.N. Ramaswamy, ``DETAC: A discriminative criterion for speaker verification," In Proc. of the ICSLP-2002, Denver, Colorado, September 2002,

	B. Xiang, U.V. Chaudhari, J. Navratil, G.N. Ramaswamy, R.A. Gopinath, ``Short-time Gaussianization for robust speaker verification," In Proc. of the ICASSP-2002, Orlando, Florida, May 2002.

	R.D. Zilca, U.V. Chaudhari, G.N. Ramaswamy, ``The sphericity measure for cellular speaker verification," Proc. of the ICASSP-2002, Orlando, Florida, May 2002,

	U.V. Chaudhari, J. Navratil, G.N. Ramaswamy, R.D. Zilca ``Future speaker recognition systems: Challenges and solutions," Proc. of AUTOID-2002, Tarrytown, NY, March 2002

	J. Navratil, U.V. Chaudhari, G.N. Ramaswamy, ``Speaker verification using target and background dependent linear transforms and multi-system fusion," Proc. of EUROSPEECH-01, Aalborg, Denmark, September 2001 ,

	S. Fine, J. Navratil, R.A. Gopinath, ``Enhancing GMM scores using SVM 'hints'," Proc. of EUROSPEECH-01, Aalborg, Denmark, September 2001,

	R. Zilca, ``Using second order statistics for text independent speaker verification," Proc. of the Speaker Odyssey 2001 conference, Crete, Greece, June 2001.

	U.V. Chaudhari, J. Navratil, G.N. Ramaswamy, S.H. Maes, ``A very large population text-independent speaker identification using transformation enhanced multi-grained models," ICASSP 2001, Salt Lake City, Utah, May 2001

	S. Fine, J. Navratil, R.A. Gopinath, ``A hybrid GMM/SVM approach to speaker identification," ICASSP 2001, Salt Lake City, Utah, May 2001

	U.V. Chaudhari, J. Navratil, S.H. Maes, ``Transformation enhanced multi-grained modeling for text-independent speaker recognition," ICSLP 2000, Beijing, October 2000.

	J. Navratil, U.V. Chaudhari, S.H. Maes, ``A speech biometric system with multi-grained speaker modeling," KONVENS 2000, Ilmenau, Germany, October 2000.

	J. Navratil, J. Kleindienst, S.H. Maes, ``An instantiable speech biometrics module with natural language interface: Implementation in the telephony environment," ICASSP 2000, Istanbul, Turkey, June 2000.

	J. Navratil, ``Spoken language identification - A step towards multilinguality in speech processing," WAC2000, Wailea, USA, June 11-16, 2000.

	M. Viswanathan, H.S.M. Beigi and F. Maali, ``Information Access Using Speech, Speaker and Face Recognition'' Submitted to ICME2000, New York City, New York, USA, July 2000.

	M. Viswanathan, H.S.M. Beigi, A. Tritschler and F. Maali, ``Multimedia Content Indexing and Retrieval Using Speech and Speaker Recognition,'' Recherche d'Informations Assistee par Ordinateur, RIAO2000, Paris, France, April 12-14, 2000.

	M. Viswanathan, H.S.M. Beigi, S. Dharanipragada, A. Tritschler, ``Retrieval from Spoken Document using Content and Speaker Information,'' Internatoinal Conference on Document Analysis and Retrieval, ICDAR99, Bangalore, India, September 20-22, 1999, pp. 576-581.

	Homayoon S.M. Beigi, Stephane H. Maes, Upendra V. Chaudhari and Jeffrey S. Sorensen, ``A Hierarchical Approach to Large-Scale Speaker Recognition,'' EUROSPEECH'99, Budapest, Hungary, September 5-9, 1999, Vol. 5, pp. 2203-2206.

	Upendra V. Chaudhari, Homayoon S.M. Beigi, Stephane H. Maes, and Jeffrey S. Sorensen, ``Multi-Environment Speaker Verification,'' AUTOID'99, New Jersey, 1999.

	Homayoon S.M. Beigi and Stephane S. Maes, ``A Distance Measure Between Collections of Distributions and its Application to Speaker Recognition,'' ICASSP'98, Seattle, Washington, May. 23-27, 1998.

	Homayoon S.M. Beigi and Stephane S. Maes, ``Speaker, Channel and Environment Change Detection,'' Proceedings of the World Congress on Automation, Anchorage, Alaska, May. 18-22, 1998.

	Homayoon S. M. Beigi, Stephane H. Maes, Upendra V. Chaudhari, and Jeffrey S. Sorensen, ``IBM Model-Based and Frame-By-Frame Speaker Recognition,'' Speaker Recognition and its Commercial and Forensic Appications, Avignon, France, Apr. 20-23, 1998.

	Stephane H. Maes and Homayoon S.M. Beigi, ``Open SESAME! Speech, Password or Key to Secure Your Door?'' , Asian Conference on Computer Vision, Hong Kong, Jan. 8-11, 1998.