Tutorial 3: Multimodal User Authentication: from Theory to Practice


Jean-Luc Dugelay; Institut EURECOM
Jean-Claude Junqua; Panasonic Speech Technology Laboratory

Time & Location

Monday Morning, May 17, 9:00 - 12:00, Location: Matapedia


We propose to cover the field of multimodal user authentication. Multimodal user authentication is related to biometrics, the science and technology of using biological information to identify or verify a person's identity for security purposes and/or to enhance human-machine interfaces (i.e. pin code removal or keyless). Current biometric technologies include fingerprint recognition, face recognition, iris identification, hand and signature recognition, and voice verification. These technologies are just beginning to reach some level of maturity and are being deployed in products by several companies. However, a biometric system that relies only on a single biometric feature in making a personal identification is often not able to meet the desired performance requirements. Multimodal user authentication aims to significantly increase the performance and reliability of biometrics by combining multiple modalities. This approach results in recognition and verification systems that are more accurate, more flexible, more usable, and that operate under a wider range of conditions. Thus identification based on multiple biometrics represents an emerging trend.

In this tutorial we introduce the field of multimodal biometrics, classify the different biometrics and summarize the tradeoffs between accuracy and convenience. We give a special attention to the major biometrics (e.g. fingerprint, voice, face, iris and signature) and emphasize how these biometrics can be combined in practical systems. Finally, we focus on the performance and evaluation of these biometrics, the main application areas and several case studies.

Outline of the tutorial:

Presenter Information

Jean-Claude Junqua received his Engineer degree (1980) from ENSEM (France) in Electronics and Automation, his Master and Doctorate degrees (in 1981 and 1989, respectively) and the "Habilitation à diriger des recherches" (1993) from the University of Nancy I (France) in the field of Computer Science. From 1981 to 1986 he was responsible for the computer facilities of CRIN (Research Center in Computer Science of Nancy, France). From 1987 to 1988 he was visiting researcher at Panasonic's Speech Technology Laboratory in Santa Barbara, California.

In 1989, he joined Speech Technology Laboratory. From April 1992 to August 1993 he was visiting researcher at Matsushita, Osaka, Japan. His current interests cover all aspects of automatic speech recognition, speech synthesis, speaker recognition/verification, dialogue and multimodal systems. He is currently Director at Panasonic"s Speech Technology Laboratory, Santa Barbara, California. He is the author of more than 100 articles or patents in the above areas along with two recent books entitled "Robustness in Automatic Speech Recognition" and "Robust Speech Recognition in Embedded Systems and PC Applications". At the beginning of 2001, he also co-edited a book on "Robustness in Languages and Speech Technology". He served as a chairman at several International conferences, co-organized several ISCA/IEEE workshops and participated in various International scientific committees

Jean-Claude Junqua was a tutorial speaker for several ESCA/IEEE workshops, ICASSP'1999 and ICSLP'2002. His two recent tutorials were entitled "Robust Speech Recognition for Unknown Environment Compensation" and "Adaptive Methods for Automatic Speech and Speaker Recognition". He was an Associate Editor of the IEEE Transactions on Speech and Audio Processing and he is currently on the Editorial Board of the Speech Communication Journal.

Jean-Luc Dugelay was born in Rouen (Normandy, France), in 1965. He joined the Eurecom Institute (Sophia Antipolis) in 1992, where he is a Professor, in charge of image and video research and teaching activities inside the Multimedia Communications department. He is also Visiting Researcher at the University of California, Santa Barbara, ECE dept., SCL Lab. Previously he was a Ph.D. candidate in the department of Advanced Image Coding and Processing at France Telecom Research in Rennes (Brittany, France) where he worked on Stereoscopic TV and 3D Motion estimation. He received his Ph.D. degree from the University of Rennes in 1992. His main and current research interests are in the area of Multimedia signal processing, in particular,

His group is currently involved in the European project on Digital watermarking: IST Certimark and in the National French project on Biometrics. Jean-Luc DUGELAY's recent professional activities include: Associate Editor for the IEEE Trans. On Image Processing, for the IEEE Trans. on Multimedia, for the Journal "Multimedia Tools and Applications", and for the Eurasip Journal on Applied Signal Processing; Guest Editor for special issues in national and international journals. He is a member of the IEEE Signal Processing Society, Multimedia Signal Processi ng Technical Committee (IEEE MMSP TC) and Image and Multidimensional Signal Processing (IEEE IMDSP). He was technical co-chair and organizer of the 4th IEEE wksp. on Multimedia Signal Processing, October 3-5 in Cannes. He was co-organizer and session chair of the special session on "Multimodal Person Authentication" (ICASSP 2002, May 13-17, Orlando), and editorial board representative of a special issue on Biometric Signal Processing (EURASIP Journal of Applied Signal Processing, 4th quarter 2003). Jean-Luc DUGELAY was a tutorial speaker for several conferences including ACM Multimedia 2000 and IEEE PCM 2001. His last tutorial "(co-authored with F. Petitcolas from Microsfot Research) was entitled "Introduction to Digital Watermarking".

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