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Communications Multimedia Retour
Nicholas EVANS
Assistant-Professor
EVANS
Courriel Nicholas EVANS
Téléphone 04 93 00 81 14
Fax 04 93 00 82 00
Bureau EN14
Parcours

Education
• MEng (Hons) in Electronics and Computing Science, University of Wales Swansea, 1999
• PhD in Electrical and Electronic Engineering, University of Wales Swansea, 2003

Teaching
From 2002-06 Nicholas Evans was a lecturer at the University of Wales Swansea where he taught courses in Communications. In 2006 he moved to Laboratoire Informatique d’Avignon at the Université d’Avignon et des Pays de Vaucluse where he taught courses in Image Processing and Digital Communications. He moved to EURECOM in October 2007 where he teaches courses in Mathematics and Speech Processing.

Industrial experience
His PhD studies were sponsored by one the world’s leading mobile telecommunications providers and he has been actively involved in a number of collaborative research projects at local, national, European and international levels with SMEs, multinationals and government agencies.

Major research interest

His current research interests include speaker diarization, speakerrecognition, biometrics, and acoustic echo cancellation. Over recent years he has participated, with notable success, in the internationally competitive Rich Transcription Evaluations in speaker diarization that are administered by the National Institute of Standards and Technology NIST) in the US.

Visibility, membership, committee
He is a member of the IEEE and ISCA and has served as a reviewer for several prestigious Journals (e.g. IEEE TSALP, Elsevier CSL, IEEE Signal Processing Letters) and international conferences (e.g. IEEE ICASSP, ACM Multimedia, EUSIPCO).

 

Additional information

Current research topics
Speaker diarisation, speaker localisation using microphone arrays, speaker recognition, speaker indexing and nonlinear acoustic echo reduction.

Distinctions
N. Evans is the co-author (with R. Vera Rodriguez, R. P. Lewis and J. S. D. Mason) of a paper that received the Best Student Paper Award at the 4th Summer School for Advanced Studies on Biometrics for Secure Authentication: New Technologies and Embedded Systems, 2007.

Selected publications
• N. W. D. Evans, C. Fredouille and J.-F. Bonastre, «Speaker diarization using unsupervised discriminant analysis of inter-channel delay features», ICASSP 2009, International conference on Acoustics, Speech and Signal Processing, 2009, Taipei, Taiwan
• C. Fredouille, S. Bozonnet and N. W. D. Evans, «The LIA-EURECOM RT`09 Speaker Diarization System», RT’09, NIST Rich Transcription Workshop, 2009, Melbourne, Florida, USA
• R. Vera Rodríguez, N. W. D. Evans and J. S. D. Mason, «Footstep recognition», Book Chapter in Encyclopedia of Biometrics, Li, Stan Z. (Ed.), ISBN: 978-0-387-73002-8
• R. Vera Rodriguez, J. S. D. Mason and N. W. D. Evans, «Assessment of a footstep biometric verification system», Advances in Pattern Recognition, Handbook of Remote Biometrics, Springer, ISBN: 978-1-84882-384-6, June 2009, ISSN:1617-7916.



Publications
Référence Eurecom2010
3033 Mossi, Moctar; Yemdji, Christelle; Evans, Nicholas W D; Beaugeant, Christophe
Acoustic echo cancellation in non-linear and noisy environment
Submitted to : EUPSICO 2010, 18th European Signal Processing Conference, August 23-27, 2010, Aalborg, Denmark
Détails  BibTeX 
3032 Bozonnet, Simon; Vallet, Félicien; Evans, Nicholas W D ; Essid, Slim; Richard, Gaël; Carrive, Jean
A multimodal approach to initialisation for top-down speaker diarization of television shows
Submitted to : EUPSICO 2010, 18th European Signal Processing Conference, August 23-27, 2010, Aalborg, Denmark
Détails  BibTeX 
3031 Yemdji, Christelle; Mossi, Moctar; Evans, Nicholas W D; Beaugeant, Christophe
Efficient low delay filtering for residual echo suppression
Submitted to : EUPSICO 2010, 18th European Signal Processing Conference, August 23-27, 2010, Aalborg, Denmark
Détails  BibTeX 
3000 Bozonnet, Simon; Evans, Nicholas W D; Fredouille, Corinne
The Lia-Eurecom Rt'09 speaker diarization system : enhancements in speaker modelling and cluster purification
ICASSP 2010, 35th International Conference on Acoustics, Speech, and Signal Processing, March 14-19, 2010, Dallas, Texas, USA
Détails  BibTeX 
2999 Mossi, Moctar; Evans, Nicholas W D; Beaugeant, Christophe
An assessment of linear adaptive filter performance with nonlinear distorsions
ICASSP 2010, 35th International Conference on Acoustics, Speech, and Signal Processing, March 14-19, 2010, Dallas, Texas, USA
Détails  BibTeX 
Référence Eurecom2009
2538 Vera Rodríguez, Rubén;Evans, Nicholas W D;Mason, John S D
Footstep recognition
Chapter in Encyclopedia of Biometrics, Li, Stan Z. (Ed.), ISBN: 978-0-387-73002-8
Détails  BibTeX 
2809 Vera-Rodriguez, Ruben; Mason, John S D;Evans, Nicholas W D
Automatic cross-biometric footstep database labelling using speaker recognition
ICB 2009, 3rd IAPR/IEEE International Conference of Biometrics, June 2-5, 2009, Alghero, Sardinia Island, Italy | Also published as Springer "Lecture Notes in Computer Science", Vol. 5558/2009 , pp 503-512
Détails  BibTeX   
2808 Vera Rodriguez, Ruben;Mason, John S.D;Evans, Nicholas W D
Assessment of a footstep biometric verification system
Chapter book in "Advances in Pattern Recognition, Handbook of Remote Biometrics", Springer, ISBN: 978-1-84882-384-6, June 2009 , pp 313-327
Détails  BibTeX  DOI   
2763 Fredouille, Corinne;Bozonnet, Simon; Evans, Nicholas W D
The LIA-EURECOM RT`09 Speaker Diarization System
RT'09, NIST Rich Transcription Workshop, May 28-29, 2009, Melbourne, Florida, USA
Détails  BibTeX  Recevoir le fichier 
2654 Evans, Nicholas W D;Fredouille, Corinne;Bonastre, Jean-François
Speaker diarization using unsupervised discriminant analysis of inter-channel delay features
ICASSP 2009, International conference on Acoustics, Speech and Signal Processing. April 19-24, 2009, Taipei, Taiwan , pp 4061-4064
Détails  BibTeX  DOI   
2647 Jellyman, Keith A;Evans, Nicholas W D; Liu, WM;Mason, J S D
Towards a new image-based spectrogram segmentation speech coder optimised for intelligibility
MMM 2009, 15th international Multimedia Modeling Conference, January 7-9, 2009, Sophia-Antipolis, France / Also published in Springer "LNCS" 5371, 2009 , pp 63-73
Détails  BibTeX  DOI   
Référence Eurecom2008
2554 Vera Rodríguez, Rubén; Lewis, Richard P;Mason, John S D; Evans, Nicholas W D
A large scale footstep database for biometric studies created using cross-biometrics for labelling
ICARCV 2008, 10th International Conference on Control, Automation, Robotics and Vision, December 17-20, 2008, Hanoi, Vietnam , pp 1361-1366
Détails  BibTeX  DOI   
2534 Liu, WM;Jellyman, KA;Evans, Nicholas W D;Mason, J S D
Assessment of objective quality measures for speech intelligibility
Interspeech 2008, September 22-26, 2008, Brisbane, Australia
Détails  BibTeX   
2535 Jellyman, KA;Liu, WM;Mason, J S D;Evans, Nicholas W D
An assessment of speech related information contained in GEMS signals
EUSIPCO 2008, 16th European Signal Processing Program, August 25-29, 2008, Lausanne, Switzerland
Détails  BibTeX   
2512 Vera Rodríguez, Rubén;Lewis, Richard P;Mason, John S D;Evans, Nicholas W D
Footstep recognition for a smart home environment
IJSH, International Journal of Smart Home, Volume 2, N° 2, April 2008
Détails  BibTeX  DOI