Center for Robust Speech Systems

R. Huang, J.H.L. Hansen, "Advances in Word based Dialect/Accent Classification," ISCA INTERSPEECH-2005/Eurospeech-2005, pp. 2241-2244, Lisbon, Portugal, Sept. 2005 (pdf [165kB]).

X. Zhang, J.H.L. Hansen, "In-Set/Out-of-Set Speaker Identification Based on Discriminative Speech Frame Selection," ISCA INTERSPEECH-2005/Eurospeech-2005, pp. 2037-2040, Lisbon, Portugal, Sept. 2005 (pdf [383kB]).

E.Ruzanski, J.H.L. Hansen, D. Finan, J. Meyerhoff, "Improved 'TEO' Feature-based Automatic Stress Detection Using Physiological and Acoustic Speech Sensors," ISCA INTERSPEECH-2005/Eurospeech-2005, pp. 2653-2656, Lisbon, Portugal, Sept. 2005 (pdf [240kB]).

X. Zhang, J.H.L. Hansen, P. Angkititrakul1, K. Takeda, "Speaker Verification using Gaussian Mixture Models within Changing Real Car Environments," ISCA INTERSPEECH-2005/Eurospeech-2005, pp. 2021-2024, Lisbon, Portugal, Sept. 2005 (pdf [189kB]).

L. B. Grisoni, J.H.L. Hansen, "Collaborative Voice Activity Detection for Hearing Aids," ISCA INTERSPEECH-2005/Eurospeech-2005, pp. 2353-2356, Lisbon, Portugal, Sept. 2005 (pdf [213kB]).

N. Morales, D.T. Toledano, J.H.L. Hansen, José Colás, Javier Garrido, "Statistical Class-Based MFCC Enhancement of Filtered and Band-Limited SPeech for Robust ASR," ISCA INTERSPEECH-2005/Eurospeech-2005, pp. 2629-2632, Lisbon, Portugal, Sept. 2005 (pdf [155kB]).

E.Ruzanski, J.H.L. Hansen, J. Meyerhoff, G. Saviolakis, M. Koenig, "Effects of Phoneme Characteristics on TEO Feature-based Automatic Stress Detection in Speech," IEEE ICASSP-2005: Inter. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp. 357-360, Philadelphia, PA, March 2005 (PDF [185kB]).

N. Morales, J.H.L. Hansen, D.T. Toledano, "MFCC Compensation for Improved Recognition of Filtered and Band-Limited Speech," IEEE ICASSP-2005: Inter. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp. 521-524, Philadelphia, PA, March 2005 (PDF [204kB]).

R. Huang, J.H.L. Hansen, "Dialect/Accent Classification via Boosted Word Modeling," IEEE ICASSP-2005: Inter. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp. 585-588, Philadelphia, PA, March 2005 (PDF [223kB]).

U. Yapanel, J.H.L. Hansen, "Towards an Intelligient Acoustic Front-End for Automatic Speech Recognition: Built-In Speaker Normalization (BISN)," IEEE ICASSP-2005: Inter. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp. 949-952, Philadelphia, PA, March 2005 (PDF [256kB]).

J.H.L. Hansen, U.Yapanel, R. Huang, A. Ikeno, "Dialect Analysis and Modeling for Automatic Classification," Interspeech-2004/ICSLP-2004: Inter. Conf. Spoken Language Processing, pp. WeC2302p.5(1-4), Jeju Island, South Korea, Oct. 2004. (PDF [260KB])

P. Angkititrakul, J.H.L. Hansen, S. Baghaii, "Cluster-dependent Modeling and Confidence Measure Processing for In-Set/Out-of-Set Speaker Identification," Interspeech-2004/ICSLP-2004: Inter. Conf. Spoken Language Processing, pp. ThC1604p.15(1-4), Jeju Island, South Korea, Oct. 2004. (PDF [340KB])

X.X. Zhang, J.H.L. Hansen, K. Arehart, J. Rossi-Katz, "In-Vehicle Based Speech Processing for Hearing Impaired Subjects," Interspeech-2004/ICSLP-2004: Inter. Conf. Spoken Language Processing, pp. WeA1101o.3(1-4), Jeju Island, South Korea, Oct. 2004. (PDF [394KB])

X.X. Zhang, K. Takeda, J.H.L. Hansen, T. Maeno, "Audio-Visual Speaker Localization for Car Navigation Systems," Interspeech-2004/ICSLP-2004: Inter. Conf. Spoken Language Processing, pp. Spec3603p.4(1-4), Jeju Island, South Korea, Oct. 2004. (PDF [1.1MB])

R. Huang, J.H.L. Hansen, "High-level Feature Weighted GMM Network for Audio Stream Classification," Interspeech-2004/ICSLP-2004: Inter. Conf. Spoken Language Processing, pp. WeC2302p.5(1-4), Jeju Island, South Korea, Oct. 2004. (PDF [546KB])

J.H.L. Hansen, R. Huang, P. Mangalath, B. Zhou, M. Seadle, J.R. Deller, Jr., "SPEECHFIND: Spoken Document Retrieval for a National Gallery of the Spoken Word," IEEE NORSIG-2004: Nordic Signal Processing Symposium, Plenary Symposium Paper, pp. 1-4, Espoo, Finland, June 2004 (PDF [379kB]).

S. Das, J.H.L. Hansen, "Detection of Voice Onset Time (VOT) for Unvoiced Stops (/p/, /t/, /k/) Using the Teager Energy Operator (TEO) for Automatic Detection of Accented English," IEEE NORSIG-2004: Nordic Signal Processing Symposium, pp. 344-347, Espoo, Finland, June 2004 (PDF [289kB]).

X.X. Zhang, J.H.L. Hansen, K. Arehart, "Speech Enhancement based on a Combined Multi-Channel Array with Constrained Iterative and Auditory Masked Processing," IEEE ICASSP-2004: Inter. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp. 229-232, Montreal, Canada, May 2004 (PDF [xxxkB]).

P. Angkititrakul, J.H.L. Hansen, "Identifying In-Set and Out-of-Set Speakers using Neighborhood Information," IEEE ICASSP-2004: Inter. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp. 393-396, Montreal, Canada, May 2004 (PDF [xxkB]).

R. Huang, J.H.L. Hansen, "Unsupervised Audio Segmentation for Robust Spoken Document Retrieval," IEEE ICASSP-2004: Inter. Conf. on Acoustics, Speech, and Signal Processing, vol. 1, pp. 741-744, Montreal, Canada, May 2004 (PDF [xxkB]).

M. Akbacak, J.H.L. Hansen, "ENVIRONMENTAL SNIFFING: Robust Digit Recognition for an In-Vehicle Environment," INTERSPEECH-2003/Eurospeech-2003, pp.2177-2180, Geneva, Switzerland, Sept. 2003. (PDF [xxKB])

X. Zhang, J.H.L. Hansen, "CFA-BF: A Novel Combined Fixed/Adaptive Beamforming for Robust Speech Recognition in Real Car Environments," INTERSPEECH-2003/Eurospeech-2003, pp.1289-1292, Geneva, Switzerland, Sept. 2003. (PDF [xxKB])
[Xianxian Zhang - Awarded Best Student Paper for Interspeech-2003/Eurospeech-2003 Conference]

M.A. Rahurkar, J.H.L. Hansen, J. Meyerhoff, G. Saviolakis, M. Koenig, "Frequency Distribution based Weighted Sub-Band Approach for Classification of Emotional/Stressful Content in Speech," INTERSPEECH-2003/Eurospeech-2003, pp.721-724, Geneva, Switzerland, Sept. 2003. (PDF [xxKB])

P. Angkititrakul, J.H.L. Hansen, "Use of Trajectory Models for Automatic Accent Classification," INTERSPEECH-2003/Eurospeech-2003, pp.1353-1356, Geneva, Switzerland, Sept. 2003. (PDF [xxKB])

A. Natarajan, J.H.L. Hansen, K. Arehart, J. Rossi-Katz, " Perceptual Based Speech Enhancement For Normal-Hearing & Hearing-Impaired Individuals," INTERSPEECH-2003/Eurospeech-2003, pp.1425-1428, Geneva, Switzerland, Sept. 2003. (PDF [xxKB])

U. Yapanel, J.H.L. Hansen, "A New Perspective on Feature Extraction for Robust In-Vehicle Speech Recognition (PMVDR)," INTERSPEECH-2003/Eurospeech-2003, pp.1281-1284, Geneva, Switzerland, Sept. 2003. (PDF [125KB])

U. Yapanel, S. Dharanipragada, J.H.L. Hansen, "Perceptual MVDR-based Cepstral Coefficients (PMCCs) for High Accuracy Speech Recognition," INTERSPEECH-2003/Eurospeech-2003, pp.1425-1428, Geneva, Switzerland, Sept. 2003. (PDF [123KB])

X. Zhang, J.H.L. Hansen, "CSA-BF: Novel Constrained Switched Adaptive Beamforming for Speech Enhancement & Recognition in Real Car Environments," IEEE ICASSP-2003: Inter. Conf. Acoust. Speech & Signal Proc., vol. 2, pp. 125-128, Hong Kong, China, April 2003. (PDF [119KB])

M. Akbacak, J.H.L. Hansen, "Environmental Sniffing: Noise Knowledge Estimation for Robust Speech Systems," IEEE ICASSP-2003: Inter. Conf. Acoust. Speech & Signal Proc., vol. 2, pp. 113-116, Hong Kong, China, April 2003. (PDF [273KB])

B. Zhou, J.H.L. Hansen, "Discriminative Acoustic Modeling using Eigenspace Mapping for Rapid Speaker Adaptation," IEEE ICASSP-2003: Inter. Conf. Acoust. Speech & Signal Proc., vol. 1, pp. 308-311, Hong Kong, China, April 2003. (PDF [141KB])

J.H.L. Hansen, X. Zhang, M. Akbacak ,U. Yapanel, B. Pellom, W. Ward, "CU-Move: Advances in In-Vehicle Speech Systems for Route Navigation," IEEE Workshop in DSP in Mobile and Vehicular Systems, paper 6.5 (pp. 1-6), Nagoya, Japan, April 4-5, 2003. (PDF [165KB])

B. Zhou, J.H.L. Hansen, "SPEECHFIND: An Experimental On-line Spoken Document Retrieval System For Historical Audio Archives," ICSLP-2002: Inter. Conf. on Spoken Language Processing, vol. 3, pp. 1969-1972, Denver, CO, Sept. 2002. (PDF [180KB])

U. Yapanel, X. Zhang, J.H.L. Hansen, "High Performance Digit Recognition In Real Car Environments," ICSLP-2002: Inter. Conf. on Spoken Language Processing, vol. 2, pp. 793-796, Denver, CO, Sept. 2002. (PDF [141KB])

P. Angkititrakul, J.H.L. Hansen, "Stochastic Trajectory Model Analysis For Accent Classification," ICSLP-2002: Inter. Conf. on Spoken Language Processing, vol. 1, pp. 493-496, Denver, CO, Sept. 2002. (PDF [643KB])

B. Zhou, J.H.L. Hansen, "Improved Structural Maximum Likelihood Eigenspace Mapping For Speaker Adaptation," ICSLP-2002: Inter. Conf. on Spoken Language Processing, vol. 2, pp. 1433-1436, Denver, CO, Sept. 2002. (PDF [216KB])

M.A. Rahurkar, J.H.L. Hansen, J. Meyerhoff, G. Saviolakis, M. Koenig, "Frequency Band Analysis For Stress Detection Using A Teager Energy Operator Based Feature," ICSLP-2002: Inter. Conf. on Spoken Language Processing, vol. 3, pp. 2021-2024, Denver, CO, Sept. 2002. (PDF [157B])

A.R. Gurijala, J.R. Deller, M.S. Seadle, J.H.L. Hansen, "Speech Watermarking Through Parametric Modeling," ICSLP-2002: Inter. Conf. on Spoken Language Processing, vol. 1, pp. 621-624, Denver, CO, Sept. 2002.

S.S. Das, N. Chan, D. Wages, J.H.L. Hansen, "Application of Automatic Speech Recognition in Call Classification," ICASSP-2002: Inter. Conf. Acoustics, Speech, and Signal Proc, vol. 4, pp. 3896-3899, Orlando, FL, May 2002.

B. Zhou, J.H.L. Hansen, "Rapid Speaker Adaptation using Multi-Stream Structual Maximum Likelihood Eigenspace Mapping," ICASSP-2002: Inter. Conf. Acoustics, Speech, and Signal Proc., vol. 4, pp. 4166, Orlando, FL, May 2002.

J. Plucienkowski, J.H.L. Hansen, P. Angkititrakul, "Combined Front-End Signal Processing for In-Vehicle Speech Systems," Eurospeech-2001, vol. 3, pp. 1573-1576, Aalborg, Denmark, Sept. 2001. (PDF [4.27MB])

R. Sarikaya, J.H.L. Hansen, "Analysis of the Root-Cepstrum for Acoustic Modeling and Fast Decoding in Speech Recognition," Eurospeech-2001, vol. 1, pp. 687-690, Aalborg, Denmark, Sept. 2001. (PDF [148KB])

J.H.L. Hansen, P. Angkititrakul, J. Plucienkowski, S. Gallant, U. Yapanel, B. Pellom, W. Ward, R. Cole, "CU-Move : Analysis & Corpus Development for Interactive In-Vehicle Speech Systems," Eurospeech-2001, vol. 3, pp. 2023-2026, Aalborg, Denmark, Sept. 2001. (PDF [9.31MB])

U. Yapanel, J.H.L. Hansen, R. Sarikaya, B. Pellom, "Robust Digit Recognition in Noise: An Evaluation using the AURORA Corpus," Eurospeech-2001, vol. 1, pp. 209-212, Aalborg, Denmark, Sept. 2001. (PDF [8.26MB])

B. Zhou, J.H.L. Hansen, "A Novel Algorithm For Rapid Speaker Adaptation Based On Structural Maximum Likelihood Eigenspace Mapping," Eurospeech-2001, vol. 2, pp. 1215-1218, Aalborg, Denmark, Sept. 2001. (PDF [166KB])

J.H.L. Hansen, R. Sarikaya, U. Yapanel, B. Pellom, "Robust Speech Recognition in Noise: An Evaluation using the SPINE Corpus," Eurospeech-2001, vol. 2, pp. 905-908, Aalborg, Denmark, Sept. 2001. (PDF [856KB])

J.H.L. Hansen, J. Deller, M. Seadle, "Engineering Challenges in the Creation of a National Gallery of the Spoken Word: Transcript-Free Search of Audio Archieves," IEEE and ACM JCDL-2001: Joint Conference on Digital Libraries, pp. 235-236, Roanoke, VA, June 24-28, 2001. (PDF [120KB])

J.H.L. Hansen, J. Plucienkowski, S. Gallant, B.L. Pellom, W. Ward, "CU-Move: Robust Speech Processing for In-Vehicle Speech Systems," ICSLP-2000: Inter. Conf. Spoken Language Processing, vol. 1, pp. 524-527, Beijing, China, Oct. 2000. (PDF [360KB])

B. Zhou, J.H.L. Hansen,"Unsupervised Audio Stream Segmentation and Clustering via the Bayesian Information Criterion," ICSLP-2000: Inter. Conf. Spoken Language Processing, vol. 3, pp. 714-717, Beijing, China, Oct. 2000. (PDF [324KB])

R. Sarikaya, J.H.L. Hansen, "Improved Jacobian Adaptation for Fast Acoustic Model Adaptation in Noisy Speech Recognition," ICSLP-2000: Inter. Conf. Spoken Language Processing, vol. 3, pp. 702-705, Beijing, China, Oct. 2000. (PDF [325KB])

J.H.L. Hansen, B. Zhou, M. Akbacak, R. Sarikaya, B.L. Pellom, "Audio Stream Phrase Recognition for a National Gallery of the Spoken Word: `One Small Step'," ICSLP-2000: Inter. Conf. Spoken Language Processing, vol. 3, pp. 1089-1092, Beijing, China, Oct. 2000. (PDF [245KB])

J. Jensen J.H.L. Hansen, "Speech Enhancement Based on a Constrained Sinusoidal Model," ICSLP-2000: Inter. Conf. Spoken Language Processing, vol. 2, pp. 214-217, Beijing, China, Oct. 2000. (PDF [148KB])

R. Sarikaya, J.H.L. Hansen, "PCA-PMC: A novel use of a priori knowledge for fast parallel model combination," IEEE ICASSP-2000: Inter. Conf. Acoustics, Speech, Signal Procssing, vol. II, pp. 1113-1116, (SP-L6.3.1-4), Istanbul, Turkey, June 2000. (PDF [338KB])

R. Sarikaya, J.H.L. Hansen, "Auditory Masking Threshold Estimation for Broadband Noise Sources with Application to Speech Enhancement," EUROSPEECH-99: European Conference on Speech Technology, vol. 6, pp. 2571-2574, Budapest, Hungary, Sept. 1999. (PDF [936KB])

H.J.M. Steeneken, J.H.L. Hansen, "Speech Under Stress Conditions: Overview of the Effect of Speech Production on Speech System Performance," IEEE Inter. Conf. on Acoustics, Speech, Signal Processing, vol. 4, pp. 2079-2082, Phoenix, Arizona, March 1999. (PDF [651KB])

G. Zhou, J.H.L. Hansen, J.F. Kaiser, "Methods for Stressed Speech Classification: Nonlinear TEO and Linear Speech Based Features," IEEE Inter. Conf. on Acoustics, Speech, Signal Processing, vol. 4, pp. 2087-2090, Phoenix, Arizona, March 1999. (PDF [777KB])

B.L. Pellom, J.H.L. Hansen, "An Experimental Study of Speaker Verification Sensitivity to Computer Voice-Altered Imposters," IEEE Inter. Conf. on Acoustics, Speech, Signal Processing, vol. 2, pp. 837-840, Phoenix, Arizona, March 1999. (PDF [813KB])

B.L. Pellom, J.H.L. Hansen, "A Duration-Based Confidence Measure for Automatic Segmentation of Noise Corrupted Speech," Inter. Conf. on Spoken Language Processing, vol. 6, pp. 2723-2726, Sydney, Australia, Dec. 1998. (PDF [1.81MB])

R. Sarikaya, J.H.L. Hansen, "Robust detection of Speech Activity in the Presence of Noise," Inter. Conf. on Spoken Language Processing, vol. 4, pp. 1455-1458, Sydney, Australia, Dec. 1998. (PDF [1.23MB])

D. Chappell, J.H.L. Hansen, "Spectral Smoothing for Concatenative Speech Synthesis," Inter. Conf. on Spoken Language Processing, vol. 5, pp. 1935-1938, Sydney, Australia, Dec. 1998. (PDF [839KB])

G. Zhou, J.H.L. Hansen, "Linear and Nonlinear Speech Feature Analysis for Stress Classification," Inter. Conf. on Spoken Language Processing, vol. 3, pp. 883-886, Sydney, Australia, Dec. 1998. (PDF [852KB])

J.H.L. Hansen, B. Pellom, "An Effective Quality Evaluation Protocol for Speech Enhancement Algorithms," Inter. Conf. on Spoken Language Processing, vol. 7, pp. 2819-2822, Sydney, Australia, Dec. 1998. (PDF [919KB])

S.E. Bou-Ghazale, J.H.L. Hansen, "Speech Feature Modeling for Robust Stressed Speech Recognition," Inter. Conf. on Spoken Language Processing, vol. 3, pp. 887-890, Sydney, Australia, Dec. 1998. (PDF [823KB])

G. Zhou, J.H.L. Hansen, J.F. Kaiser, "Classification of Speech under Stress Based on Features Derived from the Nonlinear Teager Energy Operator," IEEE Inter. Conf. on Acoustics, Speech, Signal Processing, vol. 1, pp. 549-552, Seattle, Wash., May 1998. (PDF [507KB])

D.T. Chappell, J.H.L. Hansen, "Speaker-Specific Pitch Contour Modeling and Modification," IEEE Inter. Conf. on Acoustics, Speech, Signal Processing, vol. 2, pp. 885-888, Seattle, Wash., May 1998. (PDF (457KB))

S. Bou-Ghazale, J.H.L. Hansen, "A Novel Training Approach for Improving Speech Recognition under Adverse Stressful Environments," EUROSPEECH-97, vol. 5, pp. 2387-2390, Rhodes, Greece, Sept. 1997. (PDF (935KB))

J.H.L. Hansen, S. Bou-Ghazale, "Getting Started with SUSAS: A Speech Under Simulated and Actual Stress Database," EUROSPEECH-97, vol. 4, pp. 1743-1746, Rhodes, Greece, Sept. 1997. (PDF (1.02MB))

L. Arslan, J.H.L. Hansen, "A Study of Frequency Characteristics in Foreign Accent," IEEE Inter. Conf. on Acoustics, Speech, Signal Processing, vol. 2, pp. 1123-1126, Munich, Germany, April 1997. (PDF (613KB))

B. Pellom, J.H.L. Hansen, "Spectral Normalization Employing Hidden Markov Modeling of Line Spectrum Pair Frequencies," IEEE Inter. Conf. on Acoustics, Speech, Signal Processing, vol. 2, pp. 943-946, Munich, Germany, April 1997. (PDF (606KB))

D. Chappell, J.H.L. Hansen, "Time domain and Spectrally Enhanced Phoneme Segment Concatenation," IEEE Inter. Conf. on Acoustics, Speech, Signal Processing, vol. 3, pp. 1639-1642, Munich, Germany, April 1997. (PDF (644KB))

S. Bou-Ghazale, J.H.L. Hansen, "Synthesis of Stressed Speech from Neutral Speech using HMM-based Models,'' Inter. Conf. on Spoken Language Processing, vol. 3, pp. 1860-1863, Philadelphia, PA, Oct. 1996. (PDF (691KB))

D. Cairns, J.H.L. Hansen, J.F. Kaiser, "Recent Advances in Hypernasal Speech Detection Using the Nonlinear Teager Energy Operator," Inter. Conf. on Spoken Language Processing, vol. 2, pp. 780-783, Philadelphia, PA, Oct. 1996. (PDF (699KB))

J.H.L. Hansen, L. Gavidia-Ceballos, J.F. Kaiser, "Vocal Fold Pathology Assessment using AM Autocorrelation Analysis of the Teager Energy Operator," Inter. Conf. on Spoken Language Processing, vol. 2, pp. 757-760, Philadelphia, PA, Oct. 1996. (PDF (604KB))

E.J. Wallen, J.H.L. Hansen, "An Objective Quality Measure Based Screening Test for Speech Pathology," Inter. Conf. on Spoken Language Processing, vol. 2, pp. 776-779, Philadelphia, PA, Oct. 1996. (PDF (588KB))

B. Pellom, J.H.L. Hansen, "Text-Directed Speech Enhancement using Phoneme Classification and Feature Map Constrained Vector Quantization," IEEE International Conference on Acoustics, Speech, and Signal Processing, vol. II, pp. 645-648, Atlanta, Georgia, May 1996. (PDF (873KB))

B. Womack, J.H.L. Hansen, "Robust Speech Recognition via Speaker Stress Classification," IEEE International Conference on Acoustics, Speech, and Signal Processing, vol. I, pp. 53-56, Atlanta, Georgia, May 1996. (PDF (884KB))

L. Arslan, J.H.L. Hansen, "Improved HMM Training and Scoring Strategies with Application to Accent Classification," IEEE International Conference on Acoustics, Speech, and Signal Processing, vol. II, pp. 598-601, Atlanta, Georgia, May 1996. (PDF (806KB))

B. Womack, J.H.L. Hansen, "Robust Stress Independent Speech Recognition using a Neural Network based Stress Classification Algorithm,'' ESCA Proc. International EUROSPEECH Conference, pp. 1999-2002, Madrid, Spain, Sept. 1995.

S. Bou-Ghazale, J.H.L. Hansen, "Stressed Speech Synthesis with Application to CELP Coding,'' ESCA Proc. International EUROSPEECH Conference, pp. 455-458, Madrid, Spain, Sept. 1995.

J.H.L. Hansen, L. Arslan, "Foreign Accent Classification Using Source Generator Based Prosodic Features,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, vol. 1, pp. 836-839, Detroit, Michigan, May 1995. (PDF [747KB])

S. Bou-Ghazale, J.H.L. Hansen, "A Source Generator Based Modeling Framework for Synthesis of Speech Under Stress,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, vol. 1, pp. 664-667, Detroit, Michigan, May 1995. (PDF [703KB])

L. Gavidia-Ceballos, J.H.L. Hansen, and J. Riski, "Characterization of a Speech Pathological Component in Vocal Fold Cancer Using an Iterative EM Approach,'' IEEE Proc. International Conf. on Engineering, Medicine, & Biology, vol. 2, pp. 13 08-1309, Baltimore, Maryland, November 1994.

D. Cairns, J.H.L. Hansen, and J. Riski, "Detection of Hypernasal Speech Using a Nonlinear Operator,'' IEEE Proc. International Conf. on Engineering, Medicine, & Biology, vol. 1, pp. 253-254, Baltimore, Maryland, November 1994 [PDF (296kb)].

D. Cairns, J.H.L. Hansen, "Nonlinear Speech Analysis using the Teager Energy Operator with Application to Speech Classification under Stress,'' Inter. Conf. on Spoken Language Processing, vol. 3, pp. 1035-1038, Yokohama, Japan, September 1994.

J.H.L. Hansen, B.Womack, and L. Arslan, "A Source Generator based Production Model for Environmental Robustness in Speech Recognition,'' Inter. Conf. on Spoken Language Processing, vol. 3, pp. 1003-1006, Yokohama, Japan, Sept. 1994.

L. Arslan, J.H.L. Hansen, "Minimum Cost Based Phoneme Class Detection for Improved Iterative Speech Enhancement,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, vol. 2, pp. 045-048, Adelaide, Australia, April 1994 [PDF (430kb)].

S. Bou-Ghazale, J.H.L. Hansen, "Duration and Spectral Based Stress Token Generation For HMM Speech Recognition under Stress,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, vol. 1, pp. 413-416, Adelaide, Australia, April 1994 [PDF (381kb)].

S. Nandkumar, J.H.L. Hansen, "Speech Enhancement Based on a New Set of Auditory Constrained Parameters,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, vol. 1, pp. 001-004, Adelaide, Australia, April 1994 [PDF (389kb)].

J.H.L. Hansen, "Adaptive Source Generator Compensation and Enhancement for Speech Recognition in Noisy Stressful Environments,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, vol. II, pp. 95-98, Minneapolis, Minnesota, April 1993 [PDF (505kb)].

G. Clary, J.H.L. Hansen, "A Novel Speech Recognizer for Keyword Spotting,'' ICSL P-92, Inter. Conf. on Spoken Language Processing, vol.I, pp. 13-16, Alberta, Canada, October 1992.

S. Nandkumar, J.H.L. Hansen and R. Stets, "A New Dual-Channel Speech Enhancement Technique with Application to CELP Coding in Noise,'' ICSLP-92, Inter. Conf. on Spoken Language Processing, vol. II, pp. 527-530, Alberta, Canada, October 1992.

D. Cairns, J.H.L. Hansen, "ICARUS: An Mwave Based Real-time Speech Recognition System in Noise and Lombard Effect,'' ICSLP-92, Inter. Conf. on Spoken Language Processing, vol. II, pp. 703-706, Alberta, Canada, October 1992.

T. Pai, J.H.L. Hansen, "Bit Plane Decomposition for Mathematical Morphology Based Communication Systems,'' 1992 IEEE Workshop on Visual Signal Processing and Communications, pp. 117-122, Raleigh, North Carolina, September 1992.

J.H.L. Hansen, S. Nandkumar, "Speech Quality Assessment of a Real-Time RPE-LTP Vocoder in Varying Language and Noise Conditions,'' EURASIP-92, Sixth European Signal Processing Conf., pp. 515-518, SIGNAL PROCESSING VI: Theory and Applications, Elsevier Publishers, London, U.K., 1992.

J.H.L. Hansen, O. Bria, "Improved Automatic Speech Recognition in Noise and Lombard Effect,'' EURASIP-92, Sixth European Signal Processing Conf., pp. 403-406, SIGNAL PROCESSING VI: Theory and Applications, Elsevier Publishers, London, U.K., 1992.

T. Pai, J.H.L. Hansen, "Morphological Skeletonization for Medical Image Compression,'' IEEE Symposium on Computer-Based Medical Systems, pp. 207-214, Durham, North Carolina, June 1992 [PDF (553kb)].

S. Nandkumar, J.H.L. Hansen, "Dual-Channel Speech Enhancement with Auditory Spectrum based Constraints,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, vol. I, pp. 297-300, San Francisco, California, March 1992 [PDF (534kb)].

J.H.L. Hansen, "Speech Enhancement Algorithm Employing Adaptive Boundary Detection and Morphological Based Spectral Constraints,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, pp. 901-904, Toronto, Canada, May 1991 [PDF (628kb)].

T. Pai, J.H.L. Hansen, "An Improved Image Coding Algorithm Using Morphological Operator Theory,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, pp. 2761-2764, Toronto, Canada, May 1991 [PDF (746kb)].

J.H.L. Hansen, O. Bria, "Lombard Effect Compensation for Robust Automatic Speech Recognition in Noise,'' ICSLP-90, Proc. of 1990 International Conference on Spoken Language Processing, pp. 1125-1128, (invited paper) Kobe, Japan, November 1990.

T. Pai, J.H.L. Hansen, "Morphological Image Processing with Application to Medical Imaging,'' IEEE Proc. International Conference on Engineering, Medicine, and Biology, pp. 158-160, Philadelphia, Penn., November 1990 [PDF (626kb)].

J.H.L. Hansen, M. Clements, "Use of Objective Speech Quality Measures in Selecting Effective Spectral Estimation Techniques for Speech Enhancement,'' IEEE Proc. Midwest Symposium on Circuits and Systems, pp. 105-108, Champaign, Illinois, August 1989 [PDF (601kb)].

J.H.L. Hansen, M. Clements, "Stress Compensation and Noise Reduction Algorithms for Robust Speech Recognition,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, pp. 266-269, Glasgow, Scotland, May 1989 [PDF (600kb)].

J.H.L. Hansen, "Evaluation of Acoustic Correlates of Speech Under Stress for Robust Speech Recognition.'' IEEE Proc. of the Fifteenth Annual Northeast Bioengineering Conference, (invited paper), pp. 31-32, Boston, Mass., March 1989 [PDF (315kb)].

J.H.L. Hansen, M. Clements, "Constrained Iterative Speech Enhancement with Application to Automatic Recognition,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, pp. 561-564, New York, NY, April 1988 [PDF (707kb)].

J.H.L. Hansen, M. Clements, "Iterative Speech Enhancement With Spectral Constraints,'' IEEE Proc. International Conference on Acoustics, Speech, and Signal Processing, pp. 189-192, Dallas, Texas, April 1987 [PDF (316kb)].