Nikki Mirghafori's publications and patents.
Patents
- L.P. Heck and N. Mirghafori, "Online unsupervised
adaptation in speaker verification," US Patent number 6,804,647. Filed March 2001; Granted October 2004.
- M. Cohen, L.P. Heck, J. Balogh, J. Riseman, and N. Mirghafori, "Detection of Characteristics of Human-Machine Interactions for
Dialog
Customization and Analysis," US Patent filed January 15, 2002.
Publications
In Speech Meta-Data Extraction
- Y. Huang, G. Friedland, C. Mueller, N. Mirghafori, C. Wooters, "A Fast-Match Approach for Robust, Faster than Real-Time Speaker Diarization," ASRU 2007, Kyoto, Japan.
- H. Hung, D. Jayagopi, C. Yeo, G. Friedland, S. Ba, J.-M. Odobez, K. Ramchandran, N. Mirghafori, D. Gatica-Perez, "Using Audio and Video Features to Classify the Most Dominant Person in a Group Meeting," ACM Multimedia 2007.
- M. Knox and N. Mirghafori, "Automatic Laughter Detection Using Neural Networks," INTERSPEECH 2007, Antwerp, Belgium.
- J.G. Fung , D. Hakkani-Tur , M. Magimai , E. Shriberg , S. Cuendet , N. Mirghafori, "Prosodic Features and Feature Selection for Multi-Lingual Sentence Segmentation," INTERSPEECH 2007, Antwerp, Belgium.
- O. Vinyals, G. Friedland, and N. Mirghafori, "Revisiting a basic function on current CPUs: A fast logarithm implementation with adjustable accuracy," ICSI Technical Report, TR-07-002, June 2007.
- M. Magimai Doss, D. Hakkani-Tur, O. Cetin, E. Shriberg, J. Fung,
N. Mirghafori, "Entropy based classifier combination for sentence
segmentation," ICASSP 2007, Honolulu, Hawaii.
- M. Zimmerman, D. Hakkani-Tur, J. Fung, N. Mirghafori,
L. Gottlieb, E. Shriberg, Y. Liu, "The ICSI+ Multilingual Sentence
Segmentation System," ICSLP 2006, Pittsburg, PA. (pdf)
- N. Mirghafori and C. Wooters, "Nuts and Flakes: A Study of Data
Characteristics in Speaker Diarization," ICASSP-2006, Toulouse, France. (pdf)
In Speaker Recognition
- H. Lei and N. Mirghafori, "Comparisons of Recent Speaker Recognition Approaches based on Word-Conditioning," Proc. of Speaker Odyssey, Jan 2008, Stellenbosch, South Africa.
- H. Lei and N. Mirghafori, "Word-Conditioned HMM Supervectors for Speaker Recognition," INTERSPEECH 2007, Antwerp, Belgium.
- L. Stoll, J. Frankel, N. Mirghafori, "Speaker Recognition via Nonlinear Discriminant Features," Proc. of Non-Linear Speech Processing, May 2007, Paris, France.
- H. Lei, N. Mirghafori, "Word-conditioned phone N-grams for speaker recognition," ICASSP 2007, Honolulu, Hawaii.
- N. Mirghafori, A.O. Hatch, S. Stafford, K. Boakye,
D. Gillick, and B. Peskin, "ICSI's 2005 Speaker Recognition System," ASRU 2005, Puerto Rico. (pdf)
- N. Mirghafori and M. Hebert, "Parameterization of the Score
Threshold for a Text-Dependent Adaptive Speaker Verification System," ICASSP-2004, Montreal, Canada. (pdf)
- M. Hebert and N. Mirghafori, "Desperately Seeking Impostors:
Data-Mining for Competitive Impostor Testing in a Text-Dependent
Speaker Verification System," ICASSP-2004, Montreal, Canada.
(pdf)
- N. Mirghafori and L.P. Heck, "An Adaptive Speaker
Verification System With Speaker Dependent A Priori Decision
Thresholds," Proc. International Conference on Spoken Language
Processing, Denver, Colorado, 2002. (pdf)
- L.P. Heck and N. Mirghafori, "Unsupervised On-Line
Adaptation in Speaker Verification: Confidence-Based Updates and
Improved Parameter Estimation," Proc. Adaptation in Speech Recognition,
Sophia Antipolis, France, August 2001.
(pdf)
- L.P. Heck and N. Mirghafori, "Unsupervised On-Line
Adaptation in Speaker Verification," Proc. International
Conference on Spoken Language Processing, Beijing, China, Oct 2000.
(pdf)
In Speech Recognition
- C. Wooters, N. Mirghafori, A. Stolcke, T. Pirinen,
I. Bulyko, D. Gelbart, M. Graciarena, S. Otterson, B. Peskin,
M. Ostendorf, The 2004 ICSI-SRI-UW Meeting Recognition
System. Lecture Notes in Computer Science, Volume 3361, Jan 2005,
Pages 196 - 208. (pdf)
- N. Mirghafori, A. Stolcke, C. Wooters, T. Pirinen, I. Bulyko,
D. Gelbart, M. Graciarena, S. Otterson, B. Peskin, and M. Ostendorf,
"From Switchboard to Meetings: Development of the 2004 ICSI-SRI-UW
Meeting Recognition System". ICSLP 2004.(pdf)
- A. Stolcke, C. Wooters, N. Mirghafori, T. Pirinen,
I. Bulyko,
D. Gelbart, M. Graciarena, S. Otterson, B. Peskin, M. Ostendorf
"Progress in Meeting Recognition: The ICSI-SRI-UW Spring
2004 Evaluation System". The Proceedings of NIST 2004 Spring Evaluation
Workshop. (pdf)
- C. Wooters, N. Mirghafori, A. Stolcke, T. Pirinen, I. Bulyko,
D. Gelbart, M. Graciarena, S. Otterson, B. Peskin, M. Ostendorf,
"The 2004 ICSI-SRI-UW Meeting Recognition System". Joint
AMI/Pascal/IM2/M4 Workshop on Meeting Recognition.
- N. Mirghafori and N. Morgan, "Sooner or later: exploring
asynchrony in multi-band speech recognition," Proceedings of the
6th European Conference on Speech Communication and Technology,
Budapest, Hungary, Sep 1999. (pdf)
- N. Mirghafori, "A Multi-Band Approach to Automatic Speech
Recognition," PhD Dissertation, University of California at
Berkeley, Dec 1998. Reprinted as ICSI Technical Report,
TR-99-04, Berkeley, CA, Jan 1999. (postscript)
- N. Mirghafori and N. Morgan, "Combining Connectionist
Multi-Band
and Full-Band Probability Streams for Speech Recognition of Natural
Numbers," ICSLP-98, Vol 3, pp 743-747, Sydney, Australia, Nov
1998. (postscript)
- N. Mirghafori and N. Morgan, "Transmissions and Transitions: A
Study of Two Common Assumptions in Multi-Band ASR,"
ICASSP-98, pp 713-716, Seattle, Washington, May 1998. (postscript)
- N. Mirghafori, "Multi-Band Speech Recognition: A Summary of
Recent Work at ICSI," ICSI Technical Report, TR-97-051,
Berkeley, California, Dec 1997. (postscript)
- N. Morgan, E. Fosler, and N. Mirghafori, "Speech Recognition
using On-line Estimation of Speaking Rate," 5th European
Conference on Speech Communication and Technology, Rhodes, Greece,
Sep 1997, pp. 2079-2083. (postscript)
- N. Mirghafori, E. Fosler, and N. Morgan,
"Towards Robustness to Fast Speech in ASR," ICASSP-96 , pp.
I335-338, Atlanta, Georgia, May 1996. (postscript)
- N. Mirghafori,
"On Robustness to Fast Speech in Automatic Speech Recognition" Masters
Report , University of California at Berkeley, Dec
1995. (postscript)
- N. Mirghafori, E. Fosler, and N. Morgan,
"Making Automatic Speech Recognition More Robust to Fast Speech," ICSI
Technical Report, tr-95-067, Berkeley, California, Dec
1995. (postscript)
- N. Mirghafori, E. Fosler, and N. Morgan, "Why Is ASR Harder
For Fast Speech And What Can We Do About It?," Proceedings of the
IEEE Signal Processing Society Snowbird95
Workshop , pp. 179-180, Snowbird, Utah, Dec 1995. (Postscript)
- N. Mirghafori, E. Fosler, and N. Morgan, "Fast Speakers in
Large Vocabulary Continuous Speech Recognition: Analysis &
Antidotes," EUROSPEECH95 , pp. 491-494, Madrid, Spain, Sep
1995. (Postscript)
- N. Mirghafori, N. Morgan, and H. Bourlard, "Parallel
Training of
MLP Probability Estimators for Speech Recognition: A Gender-Based
Approach," Proc. of IEEE Neural Networks for Signal Processing
Workshop, Greece, Sep 1994. (Postscript)
- N. Morgan, G. Tajchman, N. Mirghafori,
Y. Konig, and C. Wooters,
"Scaling a Hybrid HMM/MLP System for Large Vocabulary CSR," Proceedings
of
ARPA's Spoken Language Systems Technology Workshop, Mar 1994.
In Other Areas of Computer Science
- N. Mirghafori, M. Jacoby, and D. Patterson, "Truth in SPEC
Benchmarks," Computer Architecture News, Vol. 23, No. 5, pp.
34 - 42,
Dec 1995. (Postscript)
- N. Mirghafori and A. Fontaine, "A Design for File Access in a
Mobile Environment," Proceedings of the Workshop on Mobile
Computing Systems & Applications.
Santa Cruz, CA, Dec 1994.(Postscript)