Mariana S. C. Almeida

Mariana Sá Correia Leite de Almeida

Instituto de Telecomunicações (IT)
Instituto Superior Técnico (IST)
Torre Norte, Piso 9
Av. Rovisco Pais, nº1
1049-001  Lisboa
PORTUGAL

Tel.: + 351   218418387
Fax.: + 351   218418472

E-mail: mariana.almeida (at) lx.it.pt

I am a Post-Doc. at Instituto de Telecomunicações (IT) of Lisbon, Portugal, in the area of image reconstruction, and under the supervision of Prof. Mário A. T. Figueiredo.

My PhD was in the field of blind image separation and blind deconvolution, under the supervision of Prof. Luís Borges de Almeida, also at IT of Lisbon, Portugal.

Degrees:

· Five year degree in Electrical and Computer Engineer (2005) from Instituto Superior Técnico (IST), Technical University of Lisbon (UTL).

Final Project: "Extensions to Denoising Source Separation ", Neural Networks Research Center of the Helsinki University of Technology (HUT); Instituto Superior Técnico (IST), October, 2005. ( PDF )

· PhD in Electrical and Computer Engineer (2010) from Instituto Superior Técnico (IST), Technical University of Lisbon (UTL).

PhD Thesis: "Blind separation and blind deblurring of natural images", October, 2010. (PDF)

Patents:

· National Patent: “Processo de focagem cega de imagens”, BPI: 246/2009, 2009.

Journal Papers:

· M. S. C. Almeida and M. A. T. Figueiredo, “Stopping Criteria for Iterative Blind and Non-Blind Image Deblurring Algorithms Based on Residual Whiteness Measures”. (submitted)

· M. S. C. Almeida and L. B. Almeida, “Nonlinear saparation of a show-through mixing model using a physical model trained with ICA”, Signal Processing, Vol 92, issue 4, pp. 872-884, April, 2012. ( Online, Abtract, Bi-affine separability and data )

· M. S. C. Almeida and L. B. Almeida, "Blind and Semi-Blind Deblurring of Natural Images", IEEE Trans. Image Processing, Vol.19, pp. 36-52, January, 2010. ( PDF, Blind Deblurring Quality Measure )

(In the Top 10 most accessed articles of IEEE Trans. Image Processing on March 2010; in the Top 100 IEEE most accessed articles during the months of January, February and March 2010.)

· M. S. C. Almeida and L. B. Almeida; "Wavelet-based separation of nonlinear show-through and bleed-through image mixtures", Neurocomputing, Vol. 72, pp. 57-70, December, 2008. ( PDF , Online, Abstract, data and Matlab Code )

International Conference Papers:

· M. S. C. Almeida and L. B. Almeida, "Multi-resolution approach for blind deblurring of natural images”, IEEE International Conference on Image Processing – ICIP’2012, Orlando, USA, September, 2012. (accepted)

· M. S. C. Almeida and M. A. T. Figueiredo, “New stopping criteria for iterative blind image deblurring based on residual whiteness measures”, IEEE Workshop on Statistical Signal Processing – SSP’2011, Nice, France, 2011.

· M. S. C. Almeida and L. B. Almeida, "Blind deblurring of foreground-background images", IEEE International Conference on Image Processing – ICIP’2009, Cairo, Egypt, 2009. ( PDF , Poster )

· M. S. C. Almeida and L. B. Almeida, “Blind deblurring of natural images”, IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP’ 2008, March, Las Vegas, 2008. ( PDF, Poster )

· M. S. C. Almeida and L. B. Almeida, "Separating Nonlinear Image Mixtures Using a Physical Model Trained with ICA", Proc. IEEE Int. Worksh. Machine Learning for Signal Processing 2006 – MLSP’2006, Maynooth, Ireland, Vol.1, pp. 65 – 70, September, 2006. ( PDF , Slides )

· M. S. C. Almeida and L. B. Almeida, "Wavelet Based Nonlinear Separation of Images", Proc. IEEE Int. Worksh. Machine Learning for Signal Processing – MLSP’2006, Maynooth, Ireland, Vol.1, pp. 53 – 58 , September, 2006. ( PDF , Slides )

· M. S. C. Almeida, H. Valpola and J. Särelä., “Separation of a Nonlinear Image Mixtures by Denoising Source Separation”, Proc. of the 6th International Conference on Independent Component Analysis and Blind Signal Separation – ICA’2006, Charleston, S.C., USA, pp. 8-15, 2006. ( PDF , Poster )