Aleix  

The Ohio State University

 
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205 Dreese Laboratory
Department of Electrical and Computer Engineering
The Ohio State University
2015 Neil Avenue
Columbus, OH 43210 USA

E-mail: aleix@ece.osu.edu

Phone: (614) 688-8225 or (614) 292-2571


Short Bio

Aleix M. Martinez is an assistant professor in the Department of Electrical and Computer Engineering at The Ohio State University (OSU), where he is the founder and director of the the Computational Biology and Cognitive Science Lab. He is also affiliated with the Department of Biomedical Engineering and to the Center for Cognitive Science. Prior to joining OSU, he was affiliated with the Electrical and Computer Engineering Department at Purdue University and with the Sony Computer Science Lab. He has organized, chaired or been part of the program committee of several major conferences and workshops, and currently serves as an associate editor of IEEE Transactions on Pattern Analysis and Machine Intelligence and of Image and Vision Computing. His most known works are in face recognition and pattern recognition, with his research having been cited over 1,400 times.

CV in pdf

 

 Tutorials and seminars
 
Publications
 
Journal Publications

Low-Rank Matrix Fitting Based on Subspace Perturbation Analysis with Applications to Structure from Motion
H. Jia and A.M. Martinez
IEEE Transactions on Pattern Analysis and Machine Intelligence, accepted
PDF 

Who Is LB1? Discriminant Analysis for the Classification of Specimens
A.M. Martinez and O.C. Hamsici
Pattern Recognition, accepted
PDF

Bayes Optimality in Linear Discriminant Analysis
O.C. Hamsici and A.M. Martinez
IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 30, No. 4, pp. 647-657, 2008
PDF                 Matlab Code

Pruning Noisy Bases in Discriminant Analysis
M. Zhu and A.M. Martinez
IEEE Transactions Neural Networks, Vol. 19, No. 1, pp. 148-157, 2008
PDF                 Matlab Code

Spherical-Homoscedastic Distributions: The equivalency of spherical and Normal distributions in classification
O. Hamsici and A.M. Martinez
Journal of Machine Learning Research, 8(Jul):1583-1623, 2007
PDF                 Matlab Code

Subclass Discriminant Analysis
M. Zhu and A.M. Martinez
IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 28, No. 8, pp. 1274-1286, 2006
PDF                 Matlab Code

A Weighted Probabilistic Approach to Face Recognition from Multiple Images and Video Sequences
Y. Zhang and A.M. Martinez
Image and Vision Computing, Vol. 24, No. 6, pp. 626-638, 2006
PDF                 Demo

Where Are Linear Feature Extraction Methods Applicable?
A.M. Martinez and M. Zhu.
IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 27, No. 12, pp. 1934-1944, 2005.
PDF

Robust Motion Estimation under Varying Illumination
Y. Kim, A.M. Martinez and A.C. Kak.
Image and Vision Computing, vol. 23, No. 4, pp. 365-375, 2005
PDF

On Combining Graph-Partitioning with Non-Parametric Clustering for Image Segmentation
A.M. Martinez, P. Mittrapiyanuruk and A.C. Kak.
Computer Vision and Image Understanding, Vol. 95, No. 1, pp. 72-85, 2004
PDF

Matching Expression Variant Faces
A.M. Martinez.
Vision Research, Vol. 43, Issue 9, pp. 1047-1060, 2003
PDF

Recognizing Imprecisely Localized, Partially Occluded and Expression Variant Faces from a Single Sample per Class
A.M. Martinez.
IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 24, No. 6, pp. 748-763, 2002
PDF                 Citations

Clustering in Image Space for Place Recognition and Visual Annotations for Human-robot Interaction
A.M. Martinez and J. Vitria.
IEEE Transactions on System Man and Cybernetics B, Vol. 31, No. 5, pp. 669-682, 2001
PDF                 Demo

PCA versus LDA
A.M. Martinez and A.C. Kak.
IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 23, No. 2, pp. 228-233, 2001
PDF                 Citations

Learning Mixture Models Using a Genetic Version of the EM Algorithm
A.M. Martinez and J. Vitria.
Pattern Recognition Letters 21, pp. 759-769, 2000
PDF                 Code

A New Approach to Object-Related Image Retrieval
A.M. Martinez and J.R. Serra.
Journal of Visual Languages and Computing Vol.11, No. 3, pp. 345-363, 2000
PDF

 

Conference Publications

Precise Detailed Detection of Faces and Facial Features
L. Ding and A.M. Martinez
Proceedings of IEEE Computer Vision and Pattern Recognition (CVPR), Anchorage (AK), 2008
PDF

Spherical-homoscedastic Shapes
O. Hamsici and A.M. Martinez
Proceedings of IEEE International Conference on Computer Vision (ICCV), Rio de Janeiro (Brazil), 2007
PDF

Sparse Kernels for Bayes Optimal Discriminant Analysis
O. Hamsici and A.M. Martinez
Proceedings of IEEE Computer Vision and Pattern Recognition, Workshop (CVPR), Minneapolis (MN), 2007  [Best paper award]
PDF                

Recovering the Linguistic Components of the Manual Signs in American Sign Language
L. Ding and A.M. Martinez
Proceedings of IEEE Conference on Advanced Video and Signal-based Surveillance (AVSS), London (UK), 2007
PDF                 Demo

Selecting Principal Components in a Two-Stage LDA Algorithm
M. Zhu and A.M. Martinez
Proceedings of IEEE Conference on Computer Vision and Patter Recognition (CVPR), New York (NY), 2006
PDF                 Matlab Code

Three-dimensional Reconstruction of Shape and Motion for the Analysis of American Sign Language
L. Ding and A.M. Martinez
Proceedings of the IEEE Computer Vision and Pattern Recognition, Workshop (CVPR) New York (NY), 2006
PDF                 Demo

A Blind Source Separation Approach to Structure from Motion
J. Fortuna and A.M. Martinez
Proceedings of the Third International Symposium on 3D Data Processing, Visualization and Transmission, Chapel Hill (NC), 2006
PDF

Perturbation Estimation of the Subspaces for Structure from Motion with Noisy and Missing Data
H. Jia, J. Fortuna and A.M. Martinez
Proceedings of the Third International Symposium on 3D Data Processing, Visualization and Transmission, Chapel Hill (NC), 2006  [NSF award]
PDF

Evaluation of the Modeling of Local Areas and Errors of Localization in FRGC’05
O. Hamsici and A.M. Martinez
Proceedings of the IEEE Computer Vision and Pattern Recognition, Workshop (CVPR), 2005
PDF

A Local Approach for Robust Optical Flow Estimation under Varying Illumination
Y. Kim, A.M. Martinez and A.C. Kak
Proceedings of British Machine Vision Conference (BMVC), 2004
PDF

Recognition of Expression Variant Faces Using Weighted Subspaces
Y. Zhang and A.M. Martinez
Proceedings of International Conference on Pattern Recognition (ICPR), Cambridge (UK),2004
PDF

Optimal Subclass Discovery for Discriminant Analysis
M. Zhu and A.M. Martinez
Proceedings of IEEE Workshop on Learning in Computer Vision and Pattern Recognition (LCVPR), 2004
PDF

From Static to Video: Face Recognition Using a Probabilistic Approach
Y. Zhang and A.M. Martinez
Proceedings of IEEE Workshop on Face Processing in Video (FPIV), 2004
PDF

Template-based Recognition of Static Sitting Postures
M. Zhu, A.M. Martinez and H.Z. Tan
Proceedings of IEEE Computer Vision and Pattern Recognition for Human Computer Interaction (CVPR-HCI), 2003
PDF

Recognizing Expression Variant Faces from a Single Sample Image per Class
A.M. Martinez
Proceedings of IEEE Computer Vision and Pattern Recognition (CVPR), 2003
PDF

Purdue ASL Database for the Recognition of American Sign Language
A.M. Martinez, R.B. Wilbur, R. Shay and A.C. Kak
Proceedings of IEEE International Conference on Multimodal Interfaces (ICMI), 2002
PDF  

Physical Correlates of Prosodic Structure in American Sign Language
R.B. Wilbur and A.M. Martinez,
Proceedings of the Chicago Linguistics Society (CLS), 2002
PDF

Recognition of Partially Occluded and/or Imprecisely Localized Faces Using a Probabilistic Approach
A.M. Martinez
Proceedings of IEEE Computer Vision and Pattern Recognition (CVPR), 2000
PDF

Semantic Access of Frontal Face Images: The expression-invariant problem
A.M. Martinez
Proceedings of IEEE Workshop on Content-Based Access of Images and Video Libraries, 2000
PDF

Face Image Retrieval Using HMMs
A.M. Martinez
Proceedings of IEEE CVPR'99 (Workshop on Content-Based Access of Images and Video Libraries), 1999
PDF  

Semantic Access to a Database of Images: An approach to object-related image retrieval
A.M. Martinez and J.R. Serra.
Proceedings of IEEE Multimedia Systems (ICMCS'99), 1999
PDF

 

Book Chapters

Face Recognition, Overview
A.M. Martinez
Encyclopedia of Biometrics, Springer, to appear.

Face Recognition, Component-based
O.C. Hamsici and A.M. Martinez
Encyclopedia of Biometrics, Springer, to appear.

A Biologically Inspired Model for the Simultaneous Recognition of Identity and Expression
D. Neth and A.M. Martinez
Biometrics: Theory, Methods, and Applications (Eds. N.V. Boulgouris, E. Micheli-Tzanakou & K.N. Plataniotis), Wiley, to appear.
PDF

Subset Modeling of Face Localization Error, Occlusion, and Expression
A.M. Martinez and Y. Zhang
In Face Processing: Advance Modeling and Methods (Eds. R. Chellappa & W. Zhao), Academic Press, 2005.
PDF

Physical Correlates of Prosodic Structure in American Sign Language
R.B. Wilbur and A.M. Martinez
In Chicago Linguistic Society, Vol. 38, 2002.
PDF

Dimensionality Reduction for Face Recognition
A.M. Martinez and J. Vitria
In Advances in Visual Form Analysis (Eds. C.Arcelli, L.P. Cordella and G.S. di Baja), World Scientific, 1997.

Designing and Implementing Real Walking Agents Using Virtual Environments
A.M. Martinez and J. Vitria
In Applications of Artificial Intelligence (Eds. N.J. Manede and C. Pietro-Ferreira), Scitec Publications Ltd., 1996.

 

Recent Abstracts

Emotion Perception in Neutral Expressions
A.M. Martinez and D. Neth
Annual Meeting of the Vision Science Society, Naples (FL), 2008

The Effect of Homeomorphic Image Transformations on Face Matching Performance
D.A. Wilbraham, J.C. Christensen, J.T. Todd and A.M. Martinez
Annual Meeting of the Vision Science Society, Naples (FL), 2008

Face Configuration Biases the Perception of Facial Expressions
A.M. Martinez and D. Neth
Annual Meeting of the Vision Science Society, Sarasota (FL), 2007

Human Face Matching Performance Is Robust to Task-Irrelevant Image Change
D.A. Wilbraham, A.M. Martinez and J.T. Todd
Annual Meeting of the Vision Science Society, Sarasota (FL), 2007

Can Low Level  Image Differences Account for Face Discrimination Performance?
A.M. Martinez, D. Wilbraham, J.T. Todd and J. Christensen
Annual Meeting of the Vision Science Society, Sarasota (FL), 2006

The Effects of Illumination and Expression Changes on the Recognition of Human Faces
D. Wilbraham, A.M. Martinez and J.T. Todd
Annual Meeting of the Vision Science Society, Sarasota (FL), 2006

Physical Correlates of Prosodic Structure in ASL
R.B. Wilbur and A.M. Martinez
Annual Meeting of the Chicago Linguistic Society, Chicago (USA), 2002