Pedro Alexandre Dias Martins

    Name: Pedro Alexandre Dias Martins, Ph.D.
    Position: Postdoctoral Fellow
    Website: http://www.isr.uc.pt/~pedromartins
    Office: Lab. Brisa
    Internal Phone: 1027
    Email: pedromartins@isr.uc.pt




    Research interests: Computer vision, image alignment, facial features localization and tracking, face and expression recognition.

    Supervised by:
    Jorge Manuel M. C. Pereira Batista, Associate Professor

    Supervisor of:
    José N. C. Faria, Research Engineer



    Journals

    C. A. Fidas, M. Belk, A. Constantinides, David Portugal, P. Dias Martins, A. M. Pietron, A. Pitsillides, N. Avouris, Ensuring Academic Integrity and Trust in Online Learning Environments: A Longitudinal Study of an AI-centered Proctoring System in Tertiary Educational Institutions, Education Sciences, Special Issue on New Media and Technology in Education, 13 (6): 566, 2023

    Conferences

    José Faria, David Portugal, P. Dias Martins, M. Belk, A. Constantinides, A. Pitsillides, C. A. Fidas, Image-based Face Verification for Student Identity Management — the TRUSTID Case Study, In Adjunct Proceedings of the 31st ACM Conference on User Modeling, Adaptation and Personalization (UMAP 2023), Limassol, Cyprus, 2023
    A. Constantinides, José Faria, T. Sousak, P. Dias Martins, David Portugal, M. Belk, A. Pitsillides, C. Fidas, TRUSTID: Intelligent and Continuous Online Student Identity Management in Higher Education, In Adjunct Proceedings of the 31st ACM Conference on User Modeling, Adaptation and Personalization (UMAP 2023), Demo Paper, Limassol, Cyprus, 2023

    Journals

    P. Dias Martins, Alexandre Henriques, J. Batista, Gradient Shape Model, IJCV – International Journal of Computer Vision, vol. 128, pp.2828–2848, Springer, 2020

    Conferences

    P. Dias Martins, B. Silva, J. Batista, Cascaded Non-Linea Shape Model Regression, CIP 2020 - IEEE International Conference on Image Processing, Abu-Dhabi, UAE, 2020

    Conferences

    Bruno Silva, P. Dias Martins, J. Batista, Vehicle Occupancy Detection for HOV/HOT Lanes Enforcement, ITSC 2019 - IEEE International Transportation Systems Conference, Auckland, Nova-Zelândia, 2019

    Conferences

    P. Dias Martins, J. Batista, Simultaneous Cascade Regression, ICIP 2018 - IEEE International Conference on Image Processing, Atenas, Grécia, 2018

    Journals

    P. Dias Martins, R. Caseiro, J. Dos Santos Henriques, J. Batista, Bayesian Constrained Local Models Revisited, IEEE Trans. on Pattern Analysis and Machine Intelligence, vol.38, no.4, pp.704-716, 2016

    Conferences

    J. Batista, K. Krakowski, L. Machado, P. Dias Martins, F. Silva Leite, Multi-source domain adaptation using C1-smooth subspaces interpolation, In 2016 Proceedings of IEEE International Conference on Image Processing (ICIP), Phoenix, USA, 2016
    P. Dias Martins, João António Pereira Faro, Patrick Rosa Brandão, J. Batista, Bayesian Constrained Local Models with Depth Data, ICIP 2016 - IEEE International Conference on Image Processing, Phoenix, Arizona, USA, 2016

    Journals

    J. Dos Santos Henriques, R. Caseiro, P. Dias Martins, J. Batista, High-Speed Tracking with Kernelized Correlation Filters, IEEE Trans. on Pattern Analysis and Machine Intelligence, vol.37, no.3, pp.583-596, 2015

    Conferences

    R. Caseiro, P. Dias Martins, J. Dos Santos Henriques, J. Batista, Beyond the Shortest Path: Unsupervised Domain Adaptation by Sampling Subspaces along the Spline Flow, CVPR 2015 - IEEE Internacional Conference on Computer Vision and Pattern Recognition, Boston-Massachusetts, USA, 2015

    Journals

    J. Dos Santos Henriques, R. C., P. Dias Martins, J. Batista, Tracking with Kernelized Correlation Filters, IEEE Trans. on Pattern Analysis and Machine Intelligence , 2014

    Conferences

    J. Dos Santos Henriques, P. Dias Martins, R. C., J. Batista, Fast Training of Pose Detectors in the Fourier Domain, NIPS 2014 - Advances in Neural Information Processing Systems, Montreal, Canada, 2014
    P. Dias Martins, R. C., J. Dos Santos Henriques, J. Batista, Likelihood-Enhanced Constrained Local Models, ICIP 2014 - IEEE International Conference on Image Processing , Paris, France, 2014
    P. Dias Martins, R. C., J. Batista, Non-Parametric Bayesian Constrained Local Models, CVPR 2014 Â, Columbus-Ohio, USA, 2014

    Journals

    P. Dias Martins, R. C., J. Batista, Generative Face Alignment Through 2.5D Active Appearance Models, CVIU-Computer Vision and Image Understanding, vol. 117, Issue 3, pg 250–268, Elsevier, 2013

    Conferences

    R. C., P. Dias Martins, J. Dos Santos Henriques, F. Silva Leite, J. Batista, Rolling Riemannian Manifolds to Solve the Multi-class Classification Problem, CVPR 2013 IEEE Conference on Computer Vision and Pattern Recognition, Portland, Oregon, USA, 2013

    Journals

    R. C., P. Dias Martins, J. Dos Santos Henriques, J. Batista, A Nonparametric Riemannian Framework on Tensor Field with Application to Foreground Segmentation, Pattern Recognition, 45(11), pp. 3997-4017, Elsevier, 2012

    Conferences

    R. C., P. Dias Martins, J. Dos Santos Henriques, J. Batista, Semi-Intrinsic Mean shift on Riemannian Manifolds, ECCV 2012 – 12th European Conference on Computer Vision, Firenze, Italy, 2012
    P. Dias Martins, R. C., J. Dos Santos Henriques, J. Batista, Discriminative Bayesian Active Shape Models, ECCV 2012 – 12th European Conference on Computer Vision, Firenze, Italy, 2012
    J. Dos Santos Henriques, R. C., P. Dias Martins, J. Batista, Exploiting the Circulant Structure of Tracking-by-detection, ECCV 2012 – 12th European Conference on Computer Vision, Firenze, Italy, 2012
    P. Dias Martins, R. C., J. Dos Santos Henriques, J. Batista, Let the Shape Speak - Discriminative Face Alignment using Conjugate Priors, BMVC 2012 – British Machine Vision Conference, Guildford-Surrey, United Kingdom, 2012

    Thesis

    P. Dias Martins, Parametric Face Alignment: Generative and Discriminative Approaches, Ph.D. Thesis, Universidade de Coimbra, Portugal, 2012, Supervised by Jorge Manuel M. C. Pereira Batista

    Conferences

    R. C., P. Dias Martins, J. Batista, A Nonparametric Riemannian Framework on Tensor Field with Apllication to Foreground Segmentation, ICCV 2011 – IEEE 13th Int. Conf. on Computer Vision, Barcelona, Spain, 2011

    Conferences

    P. Dias Martins, J. Batista, Towards Generic Fitting Using Multiple Features Discriminative Active Appearance Models, ICIP 2010 – IEEE 17th Int. Conf. on Image Processing, Hong Kong, 2010
    R. C., P. Dias Martins, J. Batista, Background Modelling on Tensor Field for Foreground Segmentation, BMVC 2010 – British Machine Vision Conference, Aberystwyth University, 2010
    P. Dias Martins, R. C., J. Batista, Face Alignment Through 2.5 Active Appearance Models, BMVC 2010 – British Machine Vision Conference, Aberystwyth University, 2010
    P. Dias Martins, J. Batista, Discriminative Active Appearance Models Embedded on a Riemmanian Manifold, VISAPP 2010 – Int. Conf. On Computer Vision Theory and Applications, Angers, France, 2010

    Book Sections

    P. Dias Martins, J. Batista, Simultaneous Identity and Expression Recognition using Face Geometry on Low Dimensional Manifolds, IbPRIA2009 – Pattern Recognition and Image Analysis (Lecture Notes in Computer Science), in H. Araújo, Ana M. Mendonça, A. Pinho and Maria I. Torres (Eds.), pp. 505-512, Springer-Verlag, London, UK, 2009

    Conferences

    P. Dias Martins, J. Batista, Identity and Expression Recognition on Low Dimensional Manifolds, ICIP 2009 - IEEE Int. Conference on Image Processing, Cairo, Egypt, 2009

    Book Sections

    P. Dias Martins, J. Batista, Monocular Head-Pose Estimation, ICIAR2008 – Image Analysis and Recognition (Lecture Notes in Computer Science), in M. Camel and A. Campilho (Eds.), pp. 357-368, Springer-Verlag, London, UK, 2008

    Conferences

    P. Dias Martins, J. Batista, Single View Head Pose Estimation, ICIP 2008 – IEEE Int. Conference on Image Processing, San Diego, California, USA, 2008
    P. Dias Martins, J. Batista, Model-Based Facial Expression Recognition, RecPad’2008-14th Portuguese Conference on Pattern Recognition, Coimbra, Portugal, 2008
    P. Dias Martins, J. Batista, Accurate Single View Model-Based Head Pose Estimation, FG 2008 - IEEE Int. Conference on Automatic Face and Gesture Recognition, Amsterdam, The Netherlands, 2008
    P. Dias Martins, J. Sampaio, J. Batista, Facial Expression Recognition using Active Appearance Models, VISAPP 2008 – Int. Conf. On Computer Vision Theory and Applications, Funchal, Madeira, 2008