Home Page – Itshak Lapidot
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Dr. Itshak Lapidot Phone: (+972) 8-8519 028 E-mail 1: itshakl@sce.ac.il E-mail 2: itsik@ee.bgu.ac.il |
Short Resume:
Received my B.Sc. (1991), M.Sc. (1994) and Ph.D.
(2001), from the Department of Electrical
and Computer Engineering, Ben-Gurion
University of the Negev, Be’er-Sheva,
1999 – 2002: Lecturer
in the Department of Software Engineering, Negev
Academic College of Engineering (NACE),
2002 – 2003: Postdoctoral
position in the speech group of IDIAP,
2003 – : Lecturer
in the Department of Electrical and Electronic Engineering, Sami Shamoon College of Engineering (SCE),
Beer-Sheva/Ashdod, Israel.
Research Interests
Speaker Recognition
Speech Recognition
Pattern Recognition
Machine Learning
Clustering
Temporal Data Analysis
Ph.D. Thesis
“Unsupervised Speaker Recognition”: Compressed ps, pdf
Publications:
Chapters in Books
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[1] I. Lapidot (Voitovetsky) and
H. Guterman, “VQ-based clustering algorithm of piecewise-dependent-data,”
in Advances in Self-Organising Maps, N. Allison, H. Yin, L. Allison and J.
Slack Eds. Springer, 2001, pp.95-101. ps, pdf |
Journal Papers
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[1]
I. Lapidot (Voitovetsky), H. Guterman, and A. Cohen,
“Unsupervised speaker recognition based on competition between
self-organizing maps,” IEEE Trans. on Neural Networks, vol. 13, no. 4,
pp. 877-887, July 2002. pdf |
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[2] I. Lapidot and H. Guterman, “Dichotomy
Between Clustering Performance and Minimum Distortion in
Piecewise-Dependent-Data (PDD) Clustering,” IEEE Signal Processing
Letters. Accepted, September 2002 ps, pdf (also listed as a Technical Report) |
Conference Paper
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[1] I. Lapidot, “SOM as Likelihood Estimator for Speaker
Clustering,” Eurospeech’03, pp. 3001-3004, |
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[2] J. Ajmera, H. Bourlard, I. Lapidot, and I. McCowan,
“Unknown-multiple speaker clustering using HMM,” Proc.
International Conference on Spoken Language Processing, pp. 573-576,
September 16-20, 2002, Denver, Colorado, USA. ps,
pdf
(also listed as a Technical
Report) |
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[3] I. Lapidot and H. Guterman,
“Resolution limitation in speakers clustering and segmentation
problems,” 2001: A Speaker Odyssey, The Speaker Recognition Workshop,
pp. 169-173, |
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[4] I. Voitovetsky, H. Guterman,
and A. Cohen, “Validity criterion for unsupervised speaker
recognition,” Proceedings of the First Workshop on Text Speech, and
Dialogue, pp. 321-326, September 1998, Brno, Czech Republic. ps, pdf |
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[5] I. Voitovetsky, H. Guterman,
and A. Cohen, “Unsupervised speaker classification using self-organizing
maps (SOM),” Neural Networks for Signal Processing VII Proceedings of
the 1997 IEEE Workshop, pp. 578-587, September 1997, Amalia Island, USA. ps, pdf |
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[6] I. Voitovetsky and H.
Guterman, “Encoding resolution in Hopfield associative memory
networks,” The 18th Convention of Electrical and Electronics Engineers
in |
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[7] I. Voitovetsky, S. Dahan, Y,
Menashe and H. Guterman, “Speaker independent vowel recognition using
neural networks,” Proc. the 10th Israeli Symposium on Artificial
Intelligence Computer Vision and Neural Networks, pp. 177-183, December 1993,
Tel-Aviv, Israel. ps, pdf |
Technical Reports
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[1] I. Lapidot, “Self-Organizing-Maps with BIC for speaker clustering,” IDIAP-RR-02-60, December 2002. ps, pdf |
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[2] I. Lapidot, “What is better: GMM of two Gaussians or two clusters with one Gaussian?” IDIAP-RR-02-56, November 2002. Compressed ps, pdf |
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[3] I. Lapidot and H. Guterman, “Dichotomy Between Clustering
Performance and Minimum Distortion in Piecewise-Dependent-Data (PDD)
Clustering,” IDIAP-RR-02-48, October 2002. ps,
pdf
(also listed as a Journal
Paper) |
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[4] I. Lapidot and A. Morris, “Extended BIC criterion for model selection,” IDIAP-RR-02-42, October 2002. ps, pdf |
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[5] J. Ajmera, H. Bourlard, and I. Lapidot, “Improved unknown-multiple speaker clustering using HMM,” IDIAP-RR-02-23, August 2002. ps |
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[6] J. Ajmera, H. Bourlard, I. Lapidot, and I. McCowan “Unknown-multiple speaker clustering using HMM,” IDIAP-RR-02-07, April 2002. ps, pdf (also listed as a Conference Paper) |