Academic position:
Associate Professor
Joining date:
01-01-1993
Role in IT: Senior Researcher Scientific Area: Networks and Multimedia
Group: Pattern and Image Analysis – Lx
Degrees
- Agregação, Instituto Superior Técnico, 01-01-2007 - PhD, Instituto Superior Técnico, 24-11-1995 - MSc, Instituto Superior Técnico, 02-02-1991 - Licenciatura, Instituto Superior Técnico, 13-12-1985
Expertise Topics
- Statistical Image Processing - Image Restoration/Segmantation/Classification - Inverse Problems - Optimization/Graph Cuts - Hyperspectral Imaging - Applications in Medical Imaging and Remote Sensing (SAR/SAS, ISAR/ISAS, InSAR/InSAS)
Affiliations
- Institute of Electrical and Electronics Engineers - IEEE, Member, 10-10-1997
- Instituto Superior Técnico, Assistant Professor, 03-03-1986
- Unsupervised Hyperspectral Unmixing, PhD, José Nascimento , 7-2007
- Blind image deconvolution, PhD, Miguel Simões, 1-2005, Instituto Superior Técnico
- Moving Target Detection and Estimation in Synthetic Apertura Radar, PhD, Paulo marques , 6-2004
MSc
- Colonic polyp detection from capsule endoscopy data, MSc, Ricardo Cotilho, 6-2011, Instituto Superior Técnico
- Discriminative Hyperspectral Image Segmentation, MSc, Jun Li , 6-2011, Instituto Superior Técnico
- Colonic polyp detection in wireless capsule endoscopy images using a local approximation techniques, MSc, Filipe Condessa , 3-2011, Instituto Superior Técnico
- Bayesian Land and Sea Segmentation of SAR images, MSc, João Paulo Gonçalves Ferreira , 10-2009, Instituto Superior Técnico
- Determinação da Temperatura de Superfície com Imagens Sintéticas do Sensor SEVIRI-MSG, MSc, Sandra Coelho, 11-2006
- Simulação Computacional de Sonar Ultrasónico de Abertura Sintética, MSc, Carlos Sousa, 5-2006
- Estimação de Fase Absoluta em Interferometria SAR, MSc, Tiago Silva, 6-2003
- Estimação Absoluta de Fase em Interferometria, MSc, Ana Falcão , 12-2001
- Monitorização de Aerossóis por um Sistema de Lidar, MSc, Elsa Fonseca , 12-1998
- Estimação de Contornos em Imagens Intravasculares de Ultrasons, MSc, José Cordeiro, 12-1996
Co - Supervision of Theses
PhD
-
Blind Image Deblurring, PhD, Miguel Antunes Dias Alfaiate Simões , 12-2015
-
Advances in near-infrared hyperspectral image analysis for pharmaceutical anti-counterfeiting, PhD, Marta Belchior Lopes , 2-2011
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Advances in Total Variation Image Restoration: Blur Estimation, Parameter Estimation, and Efficient Optimization, PhD, João Pedro Oliveira da Silva , 7-2010
Publications
Book Chapters [3]
- Nascimento, J. M. P.; Dias, J.; "Signal Subspace Identification in Hyperspecral Imagery" - Chapter in Signal and Image Processing for Remote Sensing, C.H. Chen, CRC Press, ,
2012.
- Nascimento, J. M. P.; Dias, J.; "Unmixing Hyperspectral Data: Independent and Dependent Component Analysis" - Chapter in Hyperspectral Data Exploitation: Theory and Applications, Chein-I Chang, John Wiley & Sons, ,
2007.
- Dias, J.; Nascimento, J. M. P.; "Vertex component analysis: a geometric-based approach to unmix hyperspectral data" - Chapter in Hyperspectral Data Exploitation: Theory and Applications, Chein-I Chang, John Wiley & Sons, ,
2006.
Papers in Journals [47]
- Nascimento, J. M. P.; Dias, J.; J.M.R.A Alves; Silva, V.; A. Plaza; "Parallel Hyperspectral Unmixing on GPUs", IEEE Geoscience and Remote Sensing Letters, Vol. -, No. -, pp. - - -, July, 2013.
| BibTex
- J. Li; Dias, J.; A. Plaza; "Semi-supervised hyperspectral image classification using soft sparse multinomial logistic regression", IEEE Geoscience and Remote Sensing Letters, Vol. , No. , pp. - , December, 2012.
| BibTex
- J. Li; Dias, J.; A. Plaza; "Spectral-Spatial Classification of Hyperspectral Data Using Loopy Belief Propagation and Active Learning", IEEE Trans. on Geoscience and Remote Sensing, Vol. , No. , pp. - , December, 2012.
| BibTex
- Iordache , M.; Dias, J.; A. Plaza; "Total variation spatial regularization for sparse hyperspectral unmixing (accepted)", , Vol. 1, No. 1, pp. 1 - 10, December, 2012.
| BibTex
- Pedrosa, P.; Dinis, R.; Nunes, F.; Dias, J.; "Phase Drift Estimation and Symbol Detection in Digital Communications: A Stochastic Recursive Filtering Approach", IEEE Communications Letters, Vol. 16, No. 6, pp. 854 - 857, June, 2012.
| BibTex
- Brás, N.B.; Dias, J.; Martins, RCM; Serra, A.C.; "An Alternating Direction Algorithm for Total Variation Reconstruction of Distributed Parameters", IEEE Trans. on Image Processing, Vol. 21, No. 6, pp. 1 - 2, May, 2012.
| BibTex
- A. Plaza; Dias, J.; Anita; J. Blackwell; "Foreword to the special issue on hyperspectral image and signal processing", IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol. 5, No. 2, pp. 347 - 353, April, 2012.
| BibTex
- Dias, J.; A. Plaza; Dobigeon; Parente; Qian Du Du; Gader; J. Chanussot; "Hyperspectral unmixing overview: geometrical, statistical, and sparse regression-based approaches", IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol. 5, No. 2, pp. 354 - 370, April, 2012.
| BibTex
- Nascimento, J. M. P.; Dias, J.; "Hyperspectral Unmixing based on Mixtures of Dirichlet Components", IEEE Trans. on Geoscience and Remote Sensing, Vol. 50, No. 3, pp. 863 - 878, March, 2012. Abstract
| BibTex
- Almeida, M.; Dias, J.; R. V. Vigário; E. O. Oja; "A comparison of algorithms for separation of synchronous subspaces", Bulletin of the Polish Academy of Sciences, Vol. 0, No. 0, pp. 0 - 0, January, 2012. Abstract
| BibTex
- A. Plaza; Qian Du Du; Dias, J.; Jia; Kruse; "Foreword to the special issue on spectral unmixing of remotely sensed data", IEEE Trans. on Geoscience and Remote Sensing, Vol. 49, No. 11, pp. 4103 - 4109, November, 2011.
| BibTex
- Almeida, M.; J.-H. Schleimer; R. V. Vigário; Dias, J.; "Source Separation and Clustering of Phase-Locked Subspaces", IEEE Trans. on Neural networks, Vol. 22, No. 9, pp. 1419 - 1434, September, 2011. Abstract | Full text (PDF 1522KB) | BibTex
- J. Li; Dias, J.; A. Plaza; "Spectral-spatial hyperspectral image segmentation using subspace multinomial logistic regression and Markov random fields (in press)", IEEE Trans. on Geoscience and Remote Sensing, Vol. 1, No. 1, pp. 1 - 15, August, 2011.
| BibTex
- Iordache , M.; Dias, J.; A. Plaza; "Sparse unmixing of hyperspectral data", IEEE Trans. on Geoscience and Remote Sensing, Vol. 49, No. 2, pp. 2014 - 2039, June, 2011.
| BibTex
- M. Afonso; Dias, J.; Figueiredo, M. A. T.; "An Augmented Lagrangian Approach to the Constrained Optimization Formulation of Imaging Inverse Problems", IEEE Trans. on Image Processing, Vol. 20, No. 3, pp. 681 - 695, March, 2011. Abstract
| BibTex
- J. Li; Dias, J.; A. Plaza; "Hyperspectral Image Segmentation Using a New Bayesian Approach with Active Learning", IEEE Trans. on Geoscience and Remote Sensing, Vol. accepted, No. n, pp. 1 - 14, March, 2011.
| BibTex
- M. Lopes; J-C. Wolff; Dias, J.; Figueiredo, M. A. T.; "Study on the effect of pixel resolution and blending grade on near-infrared hyperspectral unmixing of tablets", Applied Spectroscopy, Vol. 65, No. 2, pp. 193 - 200, February, 2011.
| BibTex
- J. Borges; Dias, J.; A. Marçal; "Bayesian hyperspectral image segmentation with discriminative class learning", IEEE Trans. on Geoscience and Remote Sensing, Vol. 49, No. 6, pp. 2151 - 2164, January, 2011.
| BibTex
- Figueiredo, M. A. T.; Dias, J.; "Restoration of Poissonian images using alternating direction optimization", IEEE Trans. on Image Processing, Vol. 19, No. 12, pp. 3133 - 3145, December, 2010. Abstract
| BibTex
- M. Lopes; J-C. Wolff; Dias, J.; Figueiredo, M. A. T.; "Quantification of components in nonhomogenous pharmaceutical tablets using near infrared reflectance imaging", Journal of Near Infrared Spectroscopy, Vol. 18, No. , pp. 333 - 340, November, 2010.
| BibTex
- J. Li; Dias, J.; A. Plaza; "Semisupervised Hyperspectral Image Segmentation Using Multinomial Logistic Regression with Active Learning", IEEE Trans. on Geoscience and Remote Sensing, Vol. 48, No. 11, pp. 4085 - 4098, November, 2010.
| BibTex
- M. Afonso; Dias, J.; Figueiredo, M. A. T.; "Fast image recovery using variable splitting and constrained optimization", IEEE Trans. on Image Processing, Vol. 19, No. 9, pp. 2345 - 2356, September, 2010.
| BibTex
- M. Lopes; J-C. Wolff; Dias, J.; Figueiredo, M. A. T.; "Reply to the Comments on "Near-Infrared Hyperspectral Unmixing Based on a Minimum Volume Criterion for Fast and Accurate Chemometric Characterization of Counterfeit Tablets"", Analytical Chemistry, Vol. 82, No. 20, pp. 8753 - 8754, September, 2010.
| BibTex
- Dias, J.; Figueiredo, M. A. T.; "Multiplicative noise removal using variable splitting and constrained optimization", IEEE Trans. on Image Processing, Vol. 19, No. 7, pp. 1720 - 1730, July, 2010.
| BibTex
- M. Lopes; J-C. Wolff; Dias, J.; Figueiredo, M. A. T.; "Near-infrared hyperspectral unmixing based on a minimum volume criterion for fast and accurate chemometric characterization of counterfeit tablets", Analytical Chemistry, Vol. 82, No. 4, pp. 1462 - 1469, February, 2010.
| BibTex
- S. Freitas; I. Trigo; Dias, J.; "Quantifying the uncertainty of land surface temperature retrievals from SEVIRI/Meteosat", IEEE Trans. on Geoscience and Remote Sensing, Vol. 48, No. 1, pp. 523 - 534, January, 2010.
| BibTex
- Valadão, G. ; Dias, J.; "CAPE: Combinatorial Absolute Phase Estimation", Journal of the Optical Society of America A-Optics Image Science and Vision , Vol. 26, No. 9, pp. 2093 - 2106, September, 2009. Abstract
| BibTex
- M. Lopes; J-C. Wolff; Dias, J.; Figueiredo, M. A. T.; "Determination of the composition of counterfeit Heptodin™ tablets by near infrared chemical imaging and classical least squares estimation", Analytica Chimica Acta, Vol. 641, No. 1-2, pp. 46 - 51, May, 2009.
| BibTex
- Dias, J.; V. Katkovnik; J. Astola; K. Egiazarian; "Absolute phase estimation: adaptive local denoising and global unwrapping", Applied Optics, Vol. 47, No. 29, pp. 5358 - 5369, October, 2008. Abstract
| BibTex
- Dias, J.; Nascimento, J. M. P.; "Hyperspectral subspace identification", IEEE Trans. on Geoscience and Remote Sensing, Vol. 46, No. 8, pp. 2435 - 2445, August, 2008. Abstract | Full text (PDF 540KB) | BibTex
- Dias, J.; Figueiredo, M. A. T.; "A New TwIST: Two-Step Iterative Shrinkage/Thresholding Algorithms for Image Restoration", IEEE Trans. on Image Processing, Vol. , No. , pp. - , December, 2007.
| BibTex
- Figueiredo, M. A. T.; Dias, J.; R. Nowak; "Majorization-minimization algorithms for wavelet-based image restoration", IEEE Trans. on Image Processing, Vol. 16, No. 12, pp. 2980 - 2991, December, 2007.
| BibTex
- Marques, P.; Dias, J.; "Moving Target Trajectory Estimation in SAR Spatial Domain Using a Single Sensor", IEEE Trans. on Aerospace and Electronic Systems, Vol. 43, No. 3, pp. 864 - 874, July, 2007.
| BibTex
- Dias, J.; Valadão, G. ; "Phase Unwrapping via Graph Cuts", IEEE Trans. on Image Processing, Vol. 16, No. 3, pp. 698 - 709, March, 2007.
| BibTex
- Dias, J.; "Bayesian wavelet-based image deconvolution: a GEM algorithm exploting a class of heavy-tailed priors", IEEE Trans. on Image Processing, Vol. 15, No. 4, pp. 937 - 951, February, 2006.
| BibTex
- Sobrinho, J. L. S.; Dias, J.; P. Aguiar; "O M(in)istério da Educação: ou o Problema da Colocação de Docentes 2004/2005", Ingenium , Vol. , No. 87, pp. 70 - 73, May, 2005.
| BibTex
- Nascimento, J. M. P.; Dias, J.; "Vertex Component Analisys: A Fast Algorithm to Unmix Hyperspectral Data", IEEE Trans. on Geoscience and Remote Sensing, Vol. 43, No. 4, pp. 898 - 910, April, 2005. Abstract | Full text (PDF 1804KB) | BibTex
- Nascimento, J. M. P.; Dias, J.; "Does Independent Component Analysis Play a Role in Unmixing Hyperspectral Data?''", IEEE Trans. on Geoscience and Remote Sensing, Vol. 43, No. 1, pp. 175 - 187, January, 2005. Abstract | Full text (PDF 1890KB) | BibTex
- Marques, P.; Dias, J.; "Velocity estimation of fast moving targets using a single SAR sensor", IEEE Trans. on Aerospace and Electronic Systems, Vol. 41, No. 1, pp. 75 - 89, January, 2005.
| BibTex
- Dias, J.; Marques, P.; "Multiple Moving target detection and trajectory estimation using a single SAR sensor", IEEE Trans. on Aerospace and Electronic Systems, Vol. 39, No. 2, pp. 604 - 624, April, 2003.
| BibTex
- Dias, J.; Leitão, J.; E. Fonseca; "Reconstruction of Backscattering and extinction coefficients in Lidar: a stochastic filtering approach", IEEE Trans. on Geoscience and Remote Sensing, Vol. 42, No. 2, pp. 604 - 624, February, 2003. Abstract
| BibTex
- Dias, J.; Leitão, J.; "Efficient computation of tr{AB-1} for Toeplitz matrices", IEEE Signal Processing Letters, Vol. 9, No. 2, pp. 44 - 46, May, 2002.
| BibTex
- Dias, J.; Leitão, J.; "The ZpiM Algorithm for Interferometric Image Reconstruction in SAR/SAS", IEEE Trans. on Image Processing, Vol. 11, No. 4, pp. 408 - 422, April, 2002.
| BibTex
- Dias, J.; Leitão, J.; "Nonparametric Estimation of Mean Doppler and Spectral Width", IEEE Trans. on Geoscience and Remote Sensing, Vol. 38, No. 1, pp. 271 - 282, January, 2000.
| BibTex
- Dias, J.; Leitão, J.; "Wall position and thickness estimation from sequences of echocardiograms images", IEEE Trans. on Medical Imaging, Vol. 15, No. 1, pp. 25 - 38, February, 1996.
| BibTex
- Dias, J.; Leitão, J.; "Asymptotically efficient estimation of spectral moments", IEEE Trans. on Signal Processing, Vol. 43, No. 9, pp. 2222 - 2225, September, 1995.
| BibTex
Papers in Conference Proceedings [122]
- J.M.R.A Alves; Nascimento, J. M. P.; Dias, J.; A. Plaza; Silva, V.; "Parallel Sparse Unmixing of Hyperspectral Data", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Melbourne, Australia, Vol. -, pp. - - -, July, 2013.
| BibTex
- Nascimento, J. M. P.; Silva, V.; Dias, J.; J.M.R.A Alves; "Parallel Hyperspectral Unmixing Method on GPU", Proc Conf. on Telecommunications - ConfTele, Castelo Branco, Portugal, Vol. -, pp. - - -, May, 2013.
Abstract
| BibTex
- Qian Du Du; Dias, J.; A. Plaza; "Hyperspectral Band Selection Using a Collaborative Sparse Model", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Munich, Germany, Vol. , pp. - , July, 2012.
| BibTex
- E Martin; Dias, J.; A. Plaza; "Hyperspectral coded aperture (HYCA): a new technique for hyperspectral compressive sensing", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Munich, Germany, Vol. , pp. - , July, 2012.
| BibTex
- J.M.R.A Alves; Nascimento, J. M. P.; Dias, J.; Silva, V.; A. Plaza; "Parallel Implementation of Vertex Component Analysis for Hyperspectral Endmember Extraction", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Munich, Germany, Vol. -, pp. - - -, July, 2012.
Abstract
| BibTex
- I Dópido; J. Li; A. Plaza; Dias, J.; "A NEW SEMI-SUPERVISED APPROACH FOR HYPERSPECTRAL IMAGE CLASSIFICATION WITH DIFFERENT ACTIVE LEARNING STRATEGIES", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Shanghai, China, Vol. , pp. - , June, 2012.
| BibTex
- Iordache , M.; Dias, J.; A. Plaza; "DICTIONARY PRUNING IN SPARSE UNMIXING OF HYPERSPECTRAL DATA", Proc IEEE Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing - WHISPERS, Shanghai, China, Vol. 1, pp. 1 - 4, June, 2012.
Abstract
| BibTex
- J.M.R.A Alves; Nascimento, J. M. P.; A. Plaza; Dias, J.; Silva, V.; "Vertex Component Analysis GPU-based Implementation for Hyperspectral Unmixing", Proc IEEE Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing - WHISPERS, Shanghai, China, Vol. -, pp. - - -, June, 2012.
Abstract
| BibTex
- Almeida, M.; R. V. Vigário; Dias, J.; "The Role of Whitening for Separation of Synchronous Sources", Proc International Conf. on Latent Variable Analysis and Signal Separation - LVA, Tel-Aviv, Israel, Vol. 7191, pp. 139 - 146, March, 2012.
Abstract
| BibTex
- Almeida, M.; R. V. Vigário; Dias, J.; "The Role of Whitening for Separation of Synchronous Sources", Proc International Conf. on Latent Variable Analysis and Signal Separation - LVA, Tel-Aviv, Israel, Vol. 7191, pp. 139 - 146, March, 2012.
Abstract
| BibTex
- Almeida, M.; R. V. Vigário; Dias, J.; "Estimation of the Common Oscillation for Phase Locked Matrix Factorization", Proc International Conf. on Pattern Recognition Applications and Methods - ICPRAM, Vilamoura, Portugal, Vol. 1, pp. 78 - 85, February, 2012.
Abstract
| BibTex
- Nascimento, J. M. P.; Dias, J.; "Hyperspectral Unmixing with Simultaneous Dimensionality Estimation", Proc International Conf. on Pattern Recognition Applications and Methods - ICPRAM, Vilamoura, Portugal, Vol. -, pp. 438 - 444, February, 2012.
Abstract
| BibTex
- J-C. Wolff; NM Mistry; JW Warrack; M. Lopes; Dias, J.; Figueiredo, M. A. T.; "Near-infrared imaging and Raman mapping to understand the bigger picture of a counterfeit anti-viral medicine", Proc Federation of Analytical Chemistry and Spectroscopy Societies - FACSS, Reno, United States, Vol. -, pp. - - -, October, 2011.
| BibTex
- Almeida, M.; R. V. Vigário; Dias, J.; "Phase Locked Matrix Factorization", Proc European Signal Processing Conf. - EUSIPCO, Barcelona, Spain, Vol. 0, pp. 1728 - 1732, August, 2011. Abstract | Full text (PDF 155KB) | BibTex
- Dias, J.; A. Plaza; "An overview on hyperspectral unmixing: geometrical, statistical, and sparse regression based approaches", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Vancouver, Canada, Vol. , pp. - , July, 2011.
| BibTex
- Iordache , M.; Dias, J.; A. Plaza; "Hyperspectral unmixing with sparse group lasso (accepted)", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Vancouver, Canada, Vol. 1, pp. 1 - 4, July, 2011.
| BibTex
- Figueiredo, M. A. T.; Dias, J.; "An Alternating Direction Algorithm for (Overlapping) Group Regularization", Proc Workshop on Signal Processing with Adaptive Sparse Structured Representations - SPARS’11, Edinburgh, United Kingdom, Vol. , pp. - , June, 2011.
| BibTex
- M. Lopes; J-C. Wolff; NM Mistry; JW Warrack; Dias, J.; Figueiredo, M. A. T.; "Comparison of near infrared and Raman hyperspectral unmixing performances for chemical identification of pharmaceutical tablets", Proc IEEE GRSS Workshop on Hyperspectral Image and Signal Processing, Lisbon, Portugal, Vol. -, pp. - - -, June, 2011.
| BibTex
- M. Afonso; Dias, J.; Figueiredo, M. A. T.; "Hybrid Synthesis-Analysis Frame-Based Regularization: A Criterion and an Algorithm", Proc Workshop on Signal Processing with Adaptive Sparse Structured Representations - SPARS’11, Edinburgh, United Kingdom, Vol. , pp. - , June, 2011.
| BibTex
- Dias, J.; Iordache , M.; A. Plaza; "Total variation regularization in sparse hyperspectral unmixing", Proc IEEE Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing - WHISPERS, Lisbon, Portugal, Vol. 1, pp. 1 - 4, June, 2011.
| BibTex
- M. Afonso; Dias, J.; Figueiredo, M. A. T.; "Non-cyclic deconvolution using an augmented-Lagrangian method", Proc EUROCON and CONFTELE 2011, Lisboa, Portugal, Vol. , pp. - , April, 2011.
| BibTex
- M. Afonso; Dias, J.; Figueiredo, M. A. T.; "An augmented lagrangian approach to linear inverse problems with compound regularization", Proc IEEE International Conf. on Image Processing - ICIP, Hong Kong, China, Vol. 1, pp. 1 - 4, September, 2010.
| BibTex
- Figueiredo, M. A. T.; Dias, J.; "Frame-Based Deconvolution of Poissonian Images Using Alternating Direction Optimization", Proc IEEE International Conf. on Image Processing - ICIP, Hong Kong, China, Vol. , pp. - , September, 2010.
Abstract
| BibTex
- Dias, J.; A. Plaza; "Hyperspectral Unmixing: Geometrical, Statistical and Sparse Regression-Based Approache", Proc SPIE - Conf. on Image and Signal Processing for Remote Sensing, Toulouse, France, Vol. 7830, pp. - , September, 2010.
| BibTex
- Almeida, M.; Dias, J.; R. V. Vigário; "Independent Phase Analysis: Separating Phase-Locked Subspaces", Proc International Conf. on Independent Component Analysis and Signal Separation, Saint-Malo, France, Vol. 6365, pp. 189 - 196, September, 2010.
| BibTex
- Nascimento, J. M. P.; Dias, J.; "Unmixing Hyperspectral Intimate Mixtures", Proc SPIE - Conf. on Image and Signal Processing for Remote Sensing, Toulouse, France, Vol. 7830, pp. - - -, September, 2010.
Abstract
| BibTex
- Iordache , M.; Dias, J.; A. Plaza; "Recent developments in sparse hyperspectral unmixing", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Honolulu, United States, Vol. 1, pp. 1 - 4, July, 2010.
| BibTex
- Dias, J.; Figueiredo, M. A. T.; "Alternating direction algorithms for constrained sparse regression: Application to hyperspectral unmixing", Proc IEEE GRSS Workshop on Hyperspectral Image and Signal Processing, Raykjavik, Iceland, Vol. 1, pp. - , June, 2010.
| BibTex
- J. Li; Dias, J.; A. Plaza; "Exploiting Spatial Information in Semi-Supervised Hyperspectral Image Segmentation", Proc IEEE GRSS Workshop on Hyperspectral Image and Signal Processing, Reykjavik, Iceland, Vol. 1, pp. 1 - 4, June, 2010.
| BibTex
- J. Li; Dias, J.; A. Plaza; "Supervised Hyperspectral Image Segmentation Using Active Learning", Proc IEEE GRSS Workshop on Hyperspectral Image and Signal Processing, Reykjavik, Iceland, Vol. 1, pp. 1 - 4, June, 2010.
| BibTex
- V. Katkovnik; Dias, J.; "Multi-frequency Phase Unwrap from Noisy Data: Adaptive Least Squares Approach", Proc EPFL - École Polytechnique Fédérale de Lausanne International Conf. on Advanced Phase Measurements in Optics Imaging - APMMOP, Locarno, Switzerland, Vol. , pp. - , May, 2010.
| BibTex
- M. Afonso; Dias, J.; Figueiredo, M. A. T.; "A fast algorithm for the constrained formulation of compressive image reconstruction and other linear inverse problems", Proc IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Dallas, United States, Vol. , pp. - , March, 2010.
Abstract
| BibTex
- Dias, J.; Figueiredo, M. A. T.; "Total variation restoration of speckled images using a split-Bregman algorithm", Proc IEEE International Conf. on Image Processing - ICIP, Cairo, Egypt, Vol. , pp. - , November, 2009.
Abstract
| BibTex
- Ferreira, A.; Dias, J.; Figueiredo, M. A. T.; "An Experiment on Feature Selection for Sparse Data", Proc Portuguese Conf. on Pattern Recognition - RecPad, Aveiro, Portugal, Vol. , pp. - , October, 2009. Abstract | Full text (PDF 59KB) | BibTex
- Figueiredo, M. A. T.; Dias, J.; "Deconvolution of Poissonian images using variable splitting and augmented Lagrangian optimization", Proc IEEE Workshop on Statistical Signal Processing - SSP, Cardiff, United Kingdom, Vol. , pp. - , September, 2009.
Abstract
| BibTex
- Figueiredo, M. A. T.; Dias, J.; M. Afonso; "Fast frame-based image deconvolution using variable splitting and constrained optimization", Proc IEEE Workshop on Statistical Signal Processing - SSP, Cardiff, United Kingdom, Vol. , pp. - , September, 2009.
Abstract
| BibTex
- Nascimento, J. M. P.; Dias, J.; "Nonlinear Mixture Model for Hyperspectral Unmixing", Proc SPIE - Conf. on Image and Signal Processing for Remote Sensing, Berlin, Germany, Vol. 7477, pp. - - -, September, 2009.
Abstract
| BibTex
- Dias, J.; "A variable splitting augmented Lagrangian approach to linear spectral unmixing", Proc IEEE GRSS Workshop on Hyperspectral Image and Signal Processing, Grenoble, France, Vol. , pp. - , August, 2009.
| BibTex
- Nascimento, J. M. P.; Dias, J.; "Learning Dependent Sources using Mixtures of Dirichlet: Applications on Hyperspectral Unmixing", Proc IEEE Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing - WHISPERS, Grenoble, France, Vol. -, pp. - - -, August, 2009.
Abstract
| BibTex
- Dias, J.; Valadão, G. ; "Multifrequency absolute phase estimation via graph cuts", Proc European Signal Processing Conf. - EUSIPCO, Glasgow, United Kingdom, Vol. , pp. - , August, 2009.
| BibTex
- J. Li; Dias, J.; A. Plaza; "Semi-Supervised Hyperspectral Classification and Segmentation with Discriminative Learning", Proc Europe Remote Sensing - SPIE, Berlin, Germany, Vol. 7477, pp. 74770F-1 - 74770F-8, August, 2009.
Full text (PDF 136KB) | BibTex
- J. Li; Dias, J.; A. Plaza; "Semi-Supervised Hyperspectral Image Segmentation", Proc IEEE GRSS Workshop on Hyperspectral Image and Signal Processing, Grenoble, France, Vol. 1, pp. 1 - 4, August, 2009. Abstract | Full text (PDF 214KB) | BibTex
- M. Lopes; J-C. Wolff; Dias, J.; Figueiredo, M. A. T.; "Spectral unmixing via minimum volume simplices: application to near infrared spectra of counterfeit tablets", Proc IEEE Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing - WHISPERS, Grenoble, France, Vol. -, pp. - - -, August, 2009.
| BibTex
- J. Li; Dias, J.; A. Plaza; "SEMI-SUPERVISED HYPERSPECTRAL IMAGE CLASSIFICATION BASED ON A MARKOV RANDOM FIELD AND SPARSE MULTINOMIAL LOGISTIC REGRESSION", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Cape Town, South Africa, Vol. 1, pp. 1 - 1-4, July, 2009.
Full text (PDF 117KB) | BibTex
- Iordache , M.; Dias, J.; A. Plaza; "Unmixing sparse hyperspectral mixtures", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Cape Twon, South Africa, Vol. 1, pp. 1 - 4, July, 2009.
| BibTex
- Dias, J.; V. Katkovnik; J. Astola; K. Egiazarian; "Multi-frequency Phase Unwrapping from Noisy Data: Adaptive Local Maximum Likelihood Approach", Proc Scandinavian Conf. on Image Analysis - SCIA, Oslo, Norway, Vol. 5575, pp. 310 - 320, June, 2009.
| BibTex
- Figueiredo, M. A. T.; Dias, J.; "Recent Advances in Iterative Shrinkage/Thresholding", Proc Approximation and Optimization in Image Restoration and Reconstruction, Porquerolles, France, Vol. , pp. - , June, 2009.
Abstract
| BibTex
- Valadão, G. ; Dias, J.; "From Diversity and Denoising to Phase Imaging", Proc Conf. on Telecommunications - ConfTele, Santa Maria da Feira, Portugal, Vol. 1, pp. 245 - 249, May, 2009. Abstract | Full text (PDF 822KB) | BibTex
- M. Afonso; Dias, J.; Figueiredo, M. A. T.; "Image Denoising with Compound Regularization Using a Bregman Iterative Algorithm", Proc Conf. on Telecommunications - ConfTele, Santa Maria de Feira, Portugal, Vol. 1, pp. 1 - 4, May, 2009.
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- Nascimento, J. M. P.; Dias, J.; "Unsupervised Hyperspectral Signal Subspace Identification", Proc Conf. on Telecommunications - ConfTele, Santa Maria da Feira, Portugal, Vol. 1, pp. 441 - 444, May, 2009.
Abstract
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- M. Afonso; Dias, J.; Figueiredo, M. A. T.; "A Bregman iterative approach to linear inverse problems with compound regularizers", Proc Workshop on Signal Processing with Adaptive Sparse Structured Representations - SPARS’09, Saint-Malo, France, Vol. , pp. - , April, 2009.
Abstract
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- J. Li; Dias, J.; A. Plaza; "Hyperspectral image classification based on a fast Bregman sparse multinomial logistic regression algorithm", Proc EARSeL SIG IS workshop, Tel- Aviv, Israel, Vol. 1, pp. 1 - 6, March, 2009.
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- Nascimento, J. M. P.; Dias, J.; "Separação de Dados Hiperespectrais Baseada na Análise de Vértices de um Simplex", Proc Jornadas de Engenharia de Electrónica e Telecomunicações e de Computadores do ISEL, Lisbon, Portugal, Vol. -, pp. - - -, November, 2008.
Abstract
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- Nascimento, J. M. P.; Dias, J.; "Separação de Dados Hiperespectrais por Análise de Componentes Dependentes", Proc Jornadas de Engenharia de Electrónica e Telecomunicações e de Computadores do ISEL, lisbon, Portugal, Vol. -, pp. - - -, November, 2008.
Abstract
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- Dias, J.; Figueiredo, M. A. T.; "An Iterative Algorithm for Linear Inverse Problems with Compound Regularizers", Proc IEEE International Conf. on Image Processing - ICIP, San Diego, United States, Vol. ?, pp. ? - ?, September, 2008.
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- I.R. Rodrigues; J. Sanches; Dias, J.; "Denoising of medical images corruped by Poisson noise", Proc IEEE International Conf. on Image Processing - ICIP, San Diego, United States, Vol. ?, pp. ? - ?, September, 2008.
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- M. Lopes; J-C. Wolff; Dias, J.; Figueiredo, M. A. T.; "Determination of the composition of counterfeit drugs by near infrared chemical imaging", Proc Federation of Analytical Chemistry and Spectroscopy Societies - FACSS, Reno, United States, Vol. -, pp. - - -, September, 2008.
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- Nascimento, J. M. P.; Dias, J.; "New Developments on VCA Unmixing Algorithm ", Proc SPIE - Conf. on Image and Signal Processing for Remote Sensing, Cardiff, United Kingdom, Vol. 7109, pp. - - -, September, 2008.
Abstract
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- Valadão, G. ; Dias, J.; "Phase Imaging: Unwrapping and Denoising with Diversity and Multi-Resolution", Proc International Workshop on Local and Non-Local Approximation in Image Processing, Lausanne, Switzerland, Vol. 1, pp. 205 - 212, August, 2008.
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- J. Li; Dias, J.; "Minimum volume simplex analysis: a fast algorithm to unmix hyperspectral data", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Boston, United States, Vol. 1, pp. 1 - 4, July, 2008.
Full text (PDF 1466KB) | BibTex
- J. Borges; A. Marçal; Dias, J.; "Hyperspectral image segmentation using FSMLR with Jeffreys prior", Proc EARSEL Symp., Istambul, Turkey, Vol. ?, pp. ? - ?, June, 2008.
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- Dias, J.; Valadão, G. ; "Phase unwrapping via diversity and graph cuts", Proc International Conf. on Systems, Signals and Image Processing - IWSSIP, Bratislava, Slovakia, Vol. ?, pp. ? - ?, June, 2008.
Abstract
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- Dias, J.; V. Katkovnik; J. Astola; K. Egiazarian; "Adaptive local phase approximations and global unwrapping", Proc IEEE EUSIPCO 3DTV-Conf.: The True Vision - Capture, Transmission and Display of 3D Video - 3DTV, Istambul, Turkey, Vol. ?, pp. ? - ?, May, 2008.
Abstract
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- Iordache , M.; Dias, J.; "Sparse hyperspectral unmixing", Proc EARSeL SIG IS workshop, Tel Aviv, Israel, Vol. 1, pp. 1 - 4, March, 2008.
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- Dias, J.; Figueiredo, M. A. T.; "Two-step algorithms for linear inverse problems with non-quadratic regularization", Proc IEEE International Conf. on Image Processing - ICIP, Texas, United States, Vol. , pp. - , September, 2007.
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- J. Borges; Dias, J.; "Evaluation of bayesian hyperspectral imaging segmentation with a discriminative class learning", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Barcelona, Spain, Vol. , pp. - , July, 2007.
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- A. Plaza; A. Andreas ; R. Richter; S. Torbjørn ; Z. Malenovsk; Dias, J.; S. Hofer; J. Chanussot; C. Jutten; P. Kaspersen; I. Baarstad; B. Zagajewski; N. Jens ; K. Itten; T. Timo ; P. Carbone; F. Dell’Acqua; J.A. Benediktsson; M. Schaepman; J. Clevers; V. Carrère; "HYPER-I-NET: European Research Network on Hyperspectral Imaging", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Barcelona, Spain, Vol. - -, pp. - - - - - , July, 2007. Abstract | Full text (PDF 264KB) | BibTex
- Nascimento, J. M. P.; Dias, J.; "Hyperspectral Signal Subspace Estimation", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Barcelona, Spain, Vol. -, pp. 3225 - 3228, July, 2007.
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- Nascimento, J. M. P.; Dias, J.; "Hyperspectral Unmixing Algorithm via Dependent Component Analysis", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Barcelona, Spain, Vol. -, pp. 4033 - 4036, July, 2007.
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- S. Pelizzari; Dias, J.; "Oil Spill Segmentation of SAR ImagesVia Graph Cuts", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Barcelona, Spain, Vol. 1, pp. 1318 - 1321, July, 2007.
Abstract
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- J. Borges; Dias, J.; A. Marçal; "Bayesian Hyperspectral Image Segmentation with Discriminative Class Learning"", Proc Iberian Conf. on Pattern Recognition and Image Analysis, Girona, Spain, Vol. , pp. - , June, 2007.
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- S. Pelizzari; Dias, J.; "Bayesian oil spill segmentation of SAR images via graph cuts", Proc Iberian Conf. on Pattern Recognition and Image Analysis, Girona, Spain, Vol. 2, pp. 637 - 644, June, 2007.
Abstract
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- Oliveira, J. Pedro; Figueiredo, M. A. T.; Dias, J.; "Blind estimation of motion blur parameters for image deconvolution", Proc Iberian Conf. on Pattern Recognition and Image Analysis, Girona, Spain, Vol. ?, pp. ? - ?, June, 2007.
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- Nascimento, J. M. P.; Dias, J.; "Dependent Component Analysis: A Hyperspectral Unmixing Algorithm", Proc Iberian Conf. on Pattern Recognition and Image Analysis, Girona, Spain, Vol. 4478, pp. 612 - 619, June, 2007.
Abstract
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- Nascimento, J. M. P.; Dias, J.; "Blind Hyperspectral Unmixing", Proc Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. I, pp. 617 - 624, May, 2007.
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- Marques, P.; Dias, J.; "SAR moving targets processing for low resources platforms", Proc Conf. on Telecommunications - ConfTele, Peniche, Portugal, Vol. 1, pp. 625 - 628, April, 2007.
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- Figueiredo, M. A. T.; Dias, J.; Oliveira, J. Pedro; R. Nowak; "On total-variation denoising: A new majorization-minimization algorithm and an experimental comparison with wavalet denoising", Proc IEEE International Conf. on Image Processing - ICIP, Atlanta, United States, Vol. , pp. - , October, 2006.
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- Dias, J.; Figueiredo, M. A. T.; Oliveira, J. Pedro; "Adaptive Bayesian/total-variation image deconvolution: A majorization-minimization approach", Proc European Signal Processing Conf. - EUSIPCO, Florence, Italy, Vol. ?, pp. ? - ?, September, 2006.
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- J. Borges; A. Marçal; Dias, J.; "Evaluation of feature extraction an reduction methods for hyperspectral images", Proc EARSEL Symp., Warsaw, Poland, Vol. - -, pp. - - - - -, September, 2006.
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- J. Borges; Dias, J.; A. Marçal; "Fast Sparse Multinomial Regression Applied to Hyperspectral Data", Proc International Conf. on Image Analysis and Recognition, Póvoa de Varzim, Portugal, Vol. - -, pp. - - - - -, September, 2006.
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- Dias, J.; Figueiredo, M. A. T.; "On the convergence of second-order iterative methods for image restoration", Proc Mathematical Techniques and Problems in Telecommunications, Leiria, Portugal, Vol. ?, pp. ? - ?, September, 2006.
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- Marques, P.; Dias, J.; "SAR moving targets processing for small airborne platforms", Proc European Conf. on Synthetic Aperture Radar, Dresden, Germany, Vol. CD-ROM, pp. . - ., May, 2006.
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- Dias, J.; Figueiredo, M. A. T.; Oliveira, J. Pedro; "Total variation image deconvolution: A majorization-minimization approach", Proc IEEE International Conf. on Acoustics, Speech, and Signal Processing - ICASSP, Toulouse, France, Vol. II, pp. 861 - 864, May, 2006.
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- S. Pelizzari; Dias, J.; "BAYESIAN ADAPTIVE OIL SPILL SEGMENTATION OF SAR IMAGES VIA GRAPH CUTS", Proc Advances in SAR Oceanography from Envisat and ERS Missions, Frascati, Italy, Vol. 1, pp. 1 - 1, January, 2006.
Abstract
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- Dias, J.; Valadão, G. ; "Discontinuity preserving phase unwrapping using graph cuts", Proc Energy Minimization Methods in Computer Vision and Pattern Recognition, St. Augustine, United States, Vol. 1, pp. 268 - 284, November, 2005.
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- Nascimento, J. M. P.; Dias, J.; "Estimação do Subespaço de Sinal em Dados Hiperespectrais", Proc Jornadas Científico-Pedagógicas em Engenharia Electrotécnica e Electrónica, Lisbon, Portugal, Vol. to appear, pp. - - -, November, 2005.
Abstract
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- J. Sanches; Dias, J.; J. S. Marques; "Minimum total variation in 3D ultrasound reconstruction", Proc IEEE International Conf. on Image Processing - ICIP, Genova, Italy, Vol. III, pp. 597 - 600, September, 2005.
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- Dias, J.; Valadão, G. ; "Phase unwrapping: a new max-flow/min-cut based approach", Proc IEEE International Conf. on Image Processing - ICIP, Genova, Italy, Vol. 2, pp. 77 - 80, September, 2005.
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- M. Riez; Dias, J.; "Robust phase unwrapping of MRI-data with the z-step algorithm", Proc International Society for Magnetic Ressonance in Medicine-SMRM, Miami, United States, Vol. ?, pp. ? - ?, September, 2005.
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- Dias, J.; J. Nascimento; Nascimento, J. M. P.; "Signal subspace identification in hyperspectral linear mixtures", Proc SPIE - Conf. on Image and Signal Processing for Remote Sensing, Bruges, Belgium, Vol. SPIE-5982, pp. 191 - 198, September, 2005.
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- Nascimento, J. M. P.; Dias, J.; "Mixture of Dirichlet sources applied to hyperspectral unmixing", Proc EARSEL Symp., Oporto, Portugal, Vol. -, pp. 0 - 0, June, 2005.
Abstract
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- Valadão, G. ; Dias, J.; "Phase Unwrapping Via Graph Cuts", Proc EARSEL Symp., Porto, Portugal, Vol. 1, pp. 222 - 242, June, 2005.
| BibTex
- Nascimento, J. M. P.; Dias, J.; "Signal Subspace Identification in Hyperspectral Linear Mixtures ", Proc Iberian Conf. on Pattern Recognition and Image Analysis, Estoril, Portugal, Vol. 3523, pp. 207 - 214, June, 2005.
Abstract
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- Marques, P.; Dias, J.; "A UAV-Friendly Strategy for Moving Targets Processing using SAR", Proc NATO - Sensors Electronics Technology (SET) Panel, Lisbon, Portugal, Vol. CD-ROM, pp. . - ., May, 2005.
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- Marques, P.; Dias, J.; "Moving target trajectory parameter estimation using the signature curvature information", Proc European Conf. on Synthetic Aperture Radar, Ulm, Germany, Vol. 2, pp. 529 - 532, May, 2004.
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- Dias, J.; "Fast GEM Wavelet-Based Image Deconvolution Algorithm", Proc IEEE International Conf. on Image Processing - ICIP, Barcelona, Spain, Vol. 268, pp. 961 - 964, September, 2003.
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- Nascimento, J. M. P.; Dias, J.; "Fast Unsupervised Extraction of Endmembers spectra from Hyperspectral Data", Proc SPIE, Barcelona, Spain, Vol. 5239, pp. 314 - 321, September, 2003.
Abstract
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- Nascimento, J. M. P.; Dias, J.; "Independent Component Analysis Applied to Unmixing Hyperspectral Data", Proc SPIE, Barcelona, Spain, Vol. 5238, pp. 306 - 315, September, 2003.
Abstract
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- Dias, J.; "A Fast GEM Algorithm for Bayesian Wavelet-Based Image Restotation Using a Class of Heavy-Tailed Priors", Proc Energy Minimization Methods in Computer Vision and Pattern Recognition, Lisbon, Portugal, Vol. 1, pp. 407 - 420, July, 2003.
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- Nascimento, J. M. P.; Dias, J.; "Does Independent Component Analysis Play a Role in Unmixing Hyperspectral Data?", Proc Iberian Conf. on Pattern Recognition and Image Analysis, Puerto de Andratx, Spain, Vol. LNCS - 2652, pp. 616 - 625, June, 2003.
Abstract
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- Nascimento, J. M. P.; Dias, J.; "Fast Unsupervised Technique for Extraction of Endmembers Spectra from Hyperspectral Data", Proc Conf. on Telecommunications - ConfTele, Aveiro, Portugal, Vol. I, pp. 537 - 540, June, 2003.
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- Nascimento, J. M. P.; Dias, J.; "Vertex Component Analysis: A fast algorithm to extract endmembers spectra from Hyperspectral data", Proc Iberian Conf. on Pattern Recognition and Image Analysis, Puerto de Andratx, Spain, Vol. LNCS - 2652, pp. 626 - 635, June, 2003.
Abstract
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- Marques, P.; Dias, J.; "Moving Targets Velocity Estimation Using Aliased SAR Raw-Data from a Single Sensor", Proc European Conf. on Synthetic Aperture Radar, Cologne, Germany, Vol. 1, pp. 389 - 392, June, 2002.
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- Nascimento, J. M. P.; Dias, J.; "Classificação Não-Supervisionada de Dados Hiperespectrais Usando Análise em Componentes Independentes", Proc Conf. Científica e Tecnológica em Engenharia - CCTE, Lisbon, Portugal, Vol. on CD-rom, pp. 0 - 0, May, 2002.
Abstract
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- Marques, P.; Dias, J.; "Estimação de Velocidade de Alvos Móveis em Radar de Abertura Sintética usando Dados Sub-Amostrados", Proc Conf. Científica e Tecnológica em Engenharia - CCTE, Lisbon, Portugal, Vol. 0, pp. 0 - 0, May, 2002.
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- Dias, J.; Leitão, J.; "A Discrete/Continuous Minimization Method In Interferometric Image Processing", Proc Energy Minimization Methods in Computer Vision and Pattern Recognition, Sophia Antipolis, France, Vol. , pp. 375 - 390, November, 2001.
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- Marques, P.; Dias, J.; "Imaging of Fast Moving Targets Using Undersampled SAR Raw-Data", Proc IEEE International Conf. on Image Processing - ICIP, Thessanoliki, Greece, Vol. 1, pp. 624 - 627, October, 2001.
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- Marques, P.; Dias, J.; "Reducing the Number of SAR Sensors Needed to Retrieve the Complete Velocity Vector of Moving Targets", Proc ESA DSP, Sesimbra, Portugal, Vol. 1, pp. - - -, October, 2001.
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- Dias, J.; Leitão, J.; "InSAR Phase Unwrapping: A Bayesian Approach", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Sydney, Australia, Vol. I, pp. 396 - 400, September, 2001.
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- Marques, P.; Dias, J.; "Velocity Estimation of Fast Moving Targets Using Undersampled SAR Raw-Data", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Sidney, Austria, Vol. 4, pp. 1610 - 1613, July, 2001.
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- Marques, P.; Dias, J.; "Antenna Radiation Pattern Design for Moving Target Velocity Estimation on SAR Data", Proc Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. ? - ?, April, 2001.
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- Marques, P.; Dias, J.; "Moving Targets Detection Imaging and Full Velocity Vector Estimation Using a Single SAR Sensor", Proc Conf. on Telecommunications - ConfTele, Figueira da Foz, Portugal, Vol. 1, pp. - - -, April, 2001.
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- Marques, P.; Dias, J.; "Blind Angle Ambiguity Resolution in Parameter Estimation of Moving Targets Using a Single SAR Sensor ", Proc European Signal Processing Conf. - EUSIPCO, Tampere, Finland, Vol. CD ROM, pp. ? - ?, September, 2000.
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- Marques, P.; Dias, J.; "Moving Targets in Synthetic Aperture Images: A Bayesian Approach", Proc IEEE International Conf. on Image Processing - ICIP, Vancouver, Canada, Vol. VI, pp. 685 - 688, September, 2000.
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- Marques, P.; Dias, J.; "SAR moving objects trajectory estimation: solving the blind angle ambiguity with a single sensor", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Hawaii, United States, Vol. 1, pp. 77 - 88, July, 2000.
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- Marques, P.; Dias, J.; "Optimal detection and imaging of moving objects with unknown velocity", Proc European Conf. on Synthetic Aperture Radar, Munich, Germany, Vol. 1, pp. 561 - 564, May, 2000.
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- Marques, P.; Dias, J.; "Detecção e Estimação de Parâmetros de Alvos Móveis em Radar de Abertura Sintética", Proc Jornadas de Engenharia de Telecomunicações e Computadores, Lisbon, Portugal, Vol. I, pp. 14 - 19, October, 1999.
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- Dias, J.; "Bayesian Contour Estimation: A Subspace Representation Approach", Proc Energy Minimization Methods in Computer Vision and Pattern Recognition, York, United Kingdom, Vol. , pp. 157 - 172, July, 1999.
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- Marques, P.; Dias, J.; "Efficient Detection and Ground Mapping of Selected Moving Targets using SAR Raw-Data ", Proc IEEE International Geoscience and Remote Sensing Symp.- IGARSS, Hamburg, Germany, Vol. 1, pp. 542 - 546, June, 1999.
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- Marques, P.; Dias, J.; "Monitoring Moving Targets Using SAR Images", Proc Conf. on Telecommunications - ConfTele, Sesimbra, Portugal, Vol. 1, pp. 156 - 160, April, 1999.
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- Marques, P.; Dias, J.; "SAR Simulation of a Scene Containing Moving Targets", Proc Conf. on Telecommunications - ConfTele, Sesimbra, Portugal, Vol. 1, pp. 693 - 697, April, 1999.
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- Dias, J.; "Group Lapped Iterative Techniques for Fast Solution of Large Linear Systems", Proc IEEE International Conf. on Electronics, Circuits and Systems, Lisbon, Portugal, Vol. II, pp. 531 - 534, September, 1998.
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Theses
- J. Dias; "Estimação de momentos espectrais. Aspectos conceptuais e computacionais. Aplicações ao radar meteorológico e à ecografia.", Instituto de Telecomunicações, November, 1995 .
- J. Dias; "Aspectos de um sistema de radar meteorológico", Instituto Superior Técnico, November, 1992 .
Other Scientific Achievements
Awards
- Figueiredo, M. A. T.; Oliveira, J. Pedro; Dias, J.;
"Blind estimation of motion-blur parameters for image deconvolution", Best paper award, Iberian Conference on Pattern Recognition and Image Analysis, 01-06-2007.
- Dias, J.; Oliveira, J. Pedro; Figueiredo, M. A. T.;
"Blind estimation of motion blur parameters for image deconvolution", Best paper award, Iberian Conference on Pattern Recognition and Image Analysis , 01-06-2007 .
, .
Miscellaneous
- Dias, J.; Figueiredo, M. A. T.; "Invited Talks", Alternating Direction Optimization for Convex Inverse Problems. Application to Imaging and Hyperspectral Unmixing", 2012 SIAM Conference on Applied Linear Algebra, 01-06-2012.
- Dias, J.; "Invited Talks", Hyperspectral Image Processing", International Conference on Image Analysis and Recognition - ICIAR'2012, 01-06-2012.
- Dias, J.; "Invited Talks", Hyperspectral Unmixing Overview: Geometrical, Statistical, and Sparse Regression-Based Approaches", Chinese University of Hong Kong, 01-06-2012.
- Valadão, G. ; Dias, J.; "Seminars", Discontinuity Preserving Phase Unwrapping Using Graph Cuts", Workshop for Optimization in Medicine (Center for International Mathematics), 20-07-2005.
