Cosmin Lazar

I'm currently working on the In Silico Wet Lab Research project initiated in the framework of the Brussels Impulse Programme for ICT, which is supported by ISRIB, the Institute for the encouragement of Scientific Research and Innovation of Brussels, and by the Brussels Capital Region.

• Lecture on Cluster Analysis (December 2010 - part of the Techniques of Artificial Intelligence Course) Presentation slides
  • Bibliography Data clustering: A review - A.K.Jain et al.

• Multivariate data analysis
• Pattern recognition
• Data clustering
• Feature selection and feature extraction
• Image processing - image segmentation&image classification
• Blind Source Separation
• Signal analysis -non stationary signal processing, medical signal processing
• Time series segmentation - activity recognition, motion tracking data analysis
• Bioinformatics - gene prioritization, class discovery&prediction

Books

[2010, book | bibTeX]

C. Lazar, Méthodes non supervisées pour l'analyse de données multivariées: Application á l'imagerie multispectrale, Editions universitaires européennes, 2010.

Book Chapters

[2009, inbook | www | bibTeX]

D. Nuzillard and C. Lazar, "Unsupervised classification for multivariate images." Wiley InterScience, 2009, pp. 239-261.

Phd Thesis

[2008, phdthesis | thesecosminlazar.pdf | bibTeX]

C. Lazar, "Méthodes non supervisées pour l'analyse de données multivariées," PhD Thesis , 2008.

Journals and Lecture Notes

[PrePrints 2012, article | surveyfiltersmage.pdf | www | bibTeX]

C. Lazar, J. Taminau, S. Meganck, D. Steenhoff, A. Coletta, C. Molter, V. de Schaetzen, R. Duque, H. Bersini, and A. Nowé, "A survey on filter techniques for feature selection in gene expression microarray analysis," IEEE/ACM Transactions on Computational Biology and Bioinformatics, PrePrints 2012.

[2011, article | bibTeX]

J. Taminau, D. Steenhoff, A. Coletta, S. Meganck, C. Lazar, V. de Schaetzen, R. Duque, C. Molter, H. Bersini, A. Nowé, and D. Y. Weiss Solís, "InSilicoDb: an R/Bioconductor package for accessing human Affymetrix expert-curated datasets from GEO," Bioinformatics, vol. 27, iss. 22, pp. 3204-3205, 2011.

[2010, article | bibTeX]

C. Lazar, A. Doncescu, and N. Kabbaj, "Non Negative Matrix Factorisation clustering capabilities; application on multivariate image segmentation," Int. J. Bus. Intell. Data Min., vol. 5, pp. 285-296, 2010.

[2010, article | cl_lvaica2010.pdf | www | bibTeX]

C. Lazar, D. Nuzillard, and A. Nowé, "A New Geometrical BSS Approach for Non Negative Sources," , vol. 6365, pp. 530-537, 2010.

[2007, article | cl_jc2007.pdf | bibTeX]

D. Nuzillard and C. Lazar, "Partitional Clustering Techniques for Multi-Spectral Image Segmentation," Journal of Computers (JCP), vol. 2, iss. 10, pp. 1-8, 2007.

Refereed Conference

[2010, conference | cl_csbio2010.pdf | bibTeX]

J. Taminau, S. Meganck, C. Lazar, D. Y. Weiss-Solis, A. Coletta, N. Walker, H. Bersini, and A. Nowé, "Sequential Application of Feature Selection and Extraction for Predicting Breast Cancer Aggressiveness," in Proc. Computational Systems-Biology and Bioinformatics, Bangkok, Thailand, 2010, pp. 46-58.

[2009, conference | cl_fukuoka09.pdf | bibTeX]

C. Lazar, D. Nuzillard, and A. Doncescu, "Non Negative Matrix Factorization for Time Series of Medical Images Analysis," in Proc. CISIS, Japan, 2009, pp. 918-923.

[2006, conference | cl_icassp06.pdf | bibTeX]

D. Nuzillard and C. Lazar, "Comparison of Two Unsupervised Methods of Classification for Segmenting Multi-spectral Images," in Proc. International Conference on Acoustics, Speech, and Signal Processing 2006, Toulouse, France, 2006.

Refereed Workshop

[2009, inproceedings | cl_gretsi09.pdf | bibTeX]

C. Lazar, D. Nuzillard, and P. Billaudel, "Une Approche Géométrique de la Séparation Aveugle de Sources," in Proc. GRETSI, Dijon, 2009.

[2007, inproceedings | cl_coresa07.pdf | bibTeX]

D. Nuzillard, C. Lazar, P. Billaudel, S. Curila, and F. Belloir, "Pré-Traitement par Séparation Aveugle de Sources pour la Segmentation d'Images multi-spectrales," in Proc. COmpression et REprésentation des Signaux Audiovisuels 2007, Montpellier, France, 2007, pp. 209-213.

[2006, inproceedings | bibTeX]

D. Nuzillard and C. Lazar, "Classification non supervisée pour la segmentation d’images multi-spectrales," in Proc. Atelier sur les Transformées à base d’analyse en composantes indépendantes pour la réduction de données et le codage de signaux audio, vidéo et d’images hyperspectrales, Paris, France, 2006.

Technical reports

[2009 **pdf not available**, techreport | bibTeX]

C. Lazar, "Analysis of tooth brushing activity from force sensors signals," R&D Unilever Port Sunlight, Port Sunlight, UK, PS 09 0264, 2009 **pdf not available**.

[2012, patent | www | bibTeX]

BATES, Susan and LAZAR, Cosmin and SAVILL, Derek, Guy, TOOTHBRUSH USAGE MONITORING, 2012.

[2009 **pdf not available**, unpublished | bibTeX]

Lazar, C., Force sensor based systems for monitoring washing machines activity and water consumption, 2009 **pdf not available**.

* J. Taminau, C. Lazar, S. Meganck and A. Nowé, “Feature Extraction on Breast Cancer Signatures”, Poster spotlight talk at Cancer Bioinformatics Workshop, Cambridge (UK), 2-4 Sep 2010.

* D. Nuzillard, C. Lazar, “Méthodes de classification non supervisées pour l’analyse d’images multi-composantes”, GdR PRC-ISIS, thème B, ENST Paris, France, Apr 2006.