[2]
Brian Swenson, S. Kar,
João Xavier "Computationally efficient learning in large-scale games: sampled fictitious play revisited", Proc. of ASILOMAR 2016 - 50th Annual Asilomar Conference on Signals, Systems, and Computers, pp. 1212-1215, Pacific Grove, CA, USA, 2017
[3]
Augusto Santos, S. Kar, J. M. F. Moura,
João Xavier "Thermodynamic limit of interacting particle systems over dynamical networks", Proc. of ASILOMAR 2016 - 50th Annual Asilomar Conference on Signals, Systems, and Computers, pp. 997-1000, Pacific Grove, CA, USA, 2017
[4]
Brian Swenson, S. Kar,
João Xavier "On robustness properties in empirical centroid fictitious play", Proc. of CDC 2015 - 54th IEEE Conference on Decision and Control, pp. 3324-3330, Osaka, Japan, 2015
[5]
Brian Swenson, S. Kar,
João Xavier "On asynchronous implementations of fictitious play for distributed learning", Proc. of ASILOMAR 2015 - 49th Annual Asilomar Conference on Signals, Systems, and Computers, pp. 1119-1124, Pacific Grove, CA, USA, 2015
[6]
Augusto Santos, J. M. F. Moura,
João Xavier "Sufficient condition for survival of the fittest in a bi-virus Epidemics", Proc. of ASILOMAR 2015 - 49th Annual Asilomar Conference on Signals, Systems, and Computers, pp. 1323-1327, Pacific Grove, CA, USA, 2015
[7]
Brian Swenson, S. Kar,
João Xavier "A computationally efficient implementation of fictitious play in a distributed setting", Proc. of EUPSICO 2015 - 23rd European Signal Processing Conference, pp. 1043-1047, Nice, France, 2015
[8]
João Xavier,
João Pedro Gomes, B. Sinopoli
"Selecting Observers for Source Localization via Error Exponents", Proc. of ISIT 2015 - IEEE International Symposium on Information Theory, Hong Kong, 2015
[9]
João Xavier "Massive MIMO Full-Duplex Relaying with Optimal Power Allocation for Independent Multipairs", Proc. of SPAWC 2015 - 16th IEEE International Workshop on Signal Processing Advances in Wireless Communications, Stockholm, Sweden , 2015 -
PDF[10]
Cláudia Soares,
João Xavier,
João Pedro Gomes "Distributed, simple and stable network localization", Proc. of GlobalSIP - IEEE Global Conference on Signal and Information Processing, Atlanta, Georgia, USA, 2014 -
PDF[11]
Brian Swenson,
João Xavier "Strong Convergence to Mixed Equilibria in Fictitious Play", (CISS) 48th annual conference on information sciences and systems, Princeton University, March, 2014 -
PDF[12]
João Mota,
João Xavier "D-ADMM Based Distributed MPC with input-output models", 2014 IEEE Conference on Control Applications (CCA) Part of 2014 IEEE Multi-conference on Systems and Control, Antibes, France, October , 2014 -
PDF[13]
Cláudia Soares,
João Xavier,
João Pedro Gomes "Distributed, simple and stable network localization", GlobalSIP 2014 - 2nd IEEE Global Conference on Signal and Information Processing, Atlanta, Georgia, USA, December , 2014 -
PDF[14]
João Mota,
João Xavier,
Pedro Aguiar, M. Puschel
"Distributed Compressed Sensing Algorithms: Completing the Puzzle", Proc. of GlobalSIP 2013 - IEEE Global Conference on Signal and Information Processing, Austin, USA, 2013
[15]
João Mota,
João Xavier,
Pedro Aguiar, M. Puschel
"A Unified Algorithmic Approach to Distributed Optimization", Proc. of GlobalSIP 2013 - IEEE Global Conference on Signal and Information Processing, Austin, USA, 2013
[16]
João Mota,
João Xavier,
Pedro Aguiar, M. Puschel
"Efficient Distributed Algorithms For Structured Optimization Problems", Proc. of SPAdeS-Nets 2013 - 1st IEEE/ACM Workshop on Signal Processing Advances in Sensor Networks, Philadelphia PA, USA, 2013
[19]
João Mota,
João Xavier,
Pedro Aguiar, M. Pueschel
"D-ADMM: A distributed algorithm for compressed sensing and other separable optimization problems", Proc. of ICASSP 2012 - IEEE International Conference on Acoustics, Speech and Signal Processing, Kyoto, Japan, pp. 28692872, 2012
[20]
Dragana Bajovic,
João Xavier, J. M. Moura, B. Sinopoli
"Exact rate for convergence in probability of averaging processes via generalized min-cut", Proc. of CDC 2012 - 51st IEEE Conference on Decision and Control, Maui, Hawaii, USA, pp. 27182725, 2012
[21]
Dusan Jakovetic,
João Xavier, J. M. Moura
"Convergence rate analysis of distributed gradient methods for smooth optimization", Proc. of TELFOR 2012 - 20th Telecommunications Forum Telfor, Belgrade, Serbia, pp. 867870, 2012
[22]
Dusan Jakovetic, J. M. Moura,
João Xavier "Distributed Nesterov-like gradient algorithms", Proc. of CDC 2012 - 51st IEEE Conference on Decision and Control, Maui, Hawaii, USA, pp. 54595464, 2012
[23]
João Mota,
João Xavier,
Pedro Aguiar, M. Pueschel
"ADMM for consensus on colored networks", Proc. of CDC 2012 - 51st IEEE Conference on Decision and Control, Maui, Hawaii, USA, pp. 51165121, 2012
[24]
João Mota,
João Xavier,
Pedro Aguiar, M. Pueschel
"Distributed ADMM for model predictive control and congestion control", Proc. of CDC 2012 - 51st IEEE Conference on Decision and Control, Maui, Hawaii, USA, pp. 51105115, 2012
[25]
Dragana Bajovic,
João Xavier, B. Sinopoli
"Products of stochastic matrices: Large deviation rate for Markov chain temporal dependencies", Proc. of Allerton 2012 - 50th Annual Allerton Conference on Communication, Control, and Computing, Monticello, IL, USA, pp. 724729, 2012
[26]
Dusan Jakovetic, J. M. Moura,
João Xavier "Consensus + innovations detection: Phase transition under communication noise", Proc. of Allerton 2012 - 50th Annual Allerton Conference on Communication, Control, and Computing, Monticello, IL, USA, pp. 15591563, 2012
[27]
Dusan Jakovetic, J. M. Moura,
João Xavier "Fast cooperative distributed learning", Proc. of ASILOMAR 2012 - 46th Annual Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, pp. 15131517, 2012
[28]
Dragana Bajovic,
Dusan Jakovetic, J. Moura,
João Xavier, B. Sinopoli
"Large deviations analysis of consensus+innovations detection in random networks", Proc. of ALLERTON 2011 - 49th Annual Allerton Conference on Communication, Control, and Computing, University of Illinois, Urbana-Champaign, USA, 2011
[29] H. Reboredo, M. Rodrigues, M. Ara,
João Xavier "Filter design with secrecy constraints: the degraded MIMO Gaussian wiretap channel", Proc. of VTC 2011 Spring - IEEE 73rd Vehicular Technology Conference, Budapest, Hungary, 2011
[30] H. Reboredo, V. Prabhu, M. Rodrigues,
João Xavier "Filter design with secrecy constraints: the MIMO Gaussian wiretap channel with zero-forcing receive filters", Proc. of ICASSP 2011 - IEEE International Conference on Acoustics, Speech and Signal Processing, Prague, Czech Republic, 2011
[31]
João Mota,
João Xavier,
Pedro Aguiar, M. Pueschel
"Basis pursuit in sensor networks", Proc. of ICASSP 2011 - IEEE International Conference on Acoustics, Speech and Signal Processing, Prague, Czech Republic, 2011
[32]
Dragana Bajovic,
Dusan Jakovetic,
João Xavier, B. Sinopoli, J. Moura
"Asymptotic performance of distributed detection over random networks", Proc. of ICASSP 2011 - IEEE International Conference on Acoustics, Speech and Signal Processing, Prague, Czech Republic, 2011
[33]
Dragana Bajovic,
Dusan Jakovetic,
João Xavier, B. Sinopoli, J. M. F. Moura
"Distributed detection over random networks: a large deviations analysis", Proc. of Allerton 2010 - 48th Allerton Conference on Communication, Control, and Computing, Illinois, USA, 2010
[34]
Alessio Del Bue,
João Xavier, L. Agapito, M. Paladini
"Bilinear factorization via Augmented Lagrange Multipliers", Proc. of ECCV 2010 - 11th European Conference on Computer Vision, Crete, Greece, 2010
[36]
Dusan Jakovetic,
João Xavier, J. M. F. Moura
"Consensus in correlated random topologies: weights for finite time horizon", Proc. of ICASSP 2010 - IEEE International Conference on Acoustics, Speech and Signal Processing, Dallas, Texas, USA, 2010
[37]
Alessio Del Bue,
João Xavier,
Marco Stošić, M. Dodig, M. Paladini, L. Agapito
"Factorization for Non-Rigid and Articulated Structure using Metric Projections", Proc. of CVPR 2009 - IEEE Computer Science on Computer Vision and Pattern Recognition, Miami, USA, 2009
[38]
Alessio Del Bue,
Marco Stošić, Marija Dodig,
João Xavier "2D-3D Registration of Deformable Shapes with Manifold Projection", Proc. of ICIP 2009 - IEEE International Conference on Image Processing, Cairo, Egypt, 2009 -
PDF[39]
João Xavier,
Pedro Aguiar,
João Mota, M. Puschel
"Distributed algorithms for basis pursuit", Proc. of SPARS 2009 - International Workshop on Signal Processing with Adaptive Sparse Structured Representation, Saint-Malo, France, 2009
[47]
João Xavier,
Pedro Aguiar,
José Rodrigues "Classification of Unlabeled Point Sets using ANSIG", Proc. of ICIP 2008 - IEEE International Conference on Image Processing, San Diego, CA, USA, 2008
[48]
João Xavier,
João Sanches,
José Seabra "Convex Ultrasound Image Reconstruction with Log-Euclidean Priors", Proc. of EMBC 2008 - 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Vancouver, British Columbia, Canada, 2008 -
PDF[49]
João Xavier,
João Sanches,
Isabel Rodrigues "Fluorescence Confocal Microscopy Imaging Denoising with Photobleaching", Proc. of EMBC 2008 - 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Vancouver, British Columbia, Canada, 2008 -
PDF[50]
João Xavier,
Pedro Aguiar,
José Rodrigues "ANSIG – An Analytic Signature for Permutation-Invariant Two-Dimensional Shape Representation", Proc. of CVPR 2008 - IEEE Computer Society Conference on Computer Vision and Pattern Recognition, Anchorage, Alaska, 2008
[51]
João Xavier,
Pedro Aguiar,
Marco Stošić "Spectrally Optimal Factorization of Incomplete Matrices", Proc. of CVPR 2008 - IEEE Computer Society Conference on Computer Vision and Pattern Recognition, Anchorage, Alaska, 2008 -
PDF[53] N. Delgado, F. Nunes,
João Xavier "A geometrical approach for maximum likelihood estimation of multipath", Proc. of ION GNSS 2008 - The 21st International Technical Meeting of the Satellite Division of the Institute of Navigation, Savannah, Georgia, USA, 2008
[54] N. Delgado, F. Nunes,
João Xavier "GNSS satellite selection for multiple-constellations using convex geometry", Proc. of NAVITEC 2008 - 4th ESA Workshop on Satellite Navigation User Equipment Technologies, Noordwijk, The Netherlands, 2008
[55]
Marko Beko,
João Xavier,
Victor Barroso "Capacity and Error Probability Analysis of Non-Coherent MIMO Systems in the Low SNR Regime", Proc. ICASSP2007 - IEEE International Conference on Acoustics, Speech and Signal Processing, Honolulu, Hawaii, USA, 2007 -
PDF[58]
Ricardo Ferreira,
João Xavier "Hessian of the Riemannian squared-distance function on connected locally symmetric spaces with applications", Proc. Controlo2006 - 7th Portuguese Conference in Automatic Control, special session on control, optimization and computation, Lisbon, Portugal, 2006 -
PDF[59]
João Xavier, J. Manton
"On the Generalization of AR Processes to Riemannian Manifolds", Proc. ICASSP2006 - IEEE International Conference on Acoustics, Speech and Signal Processing, Toulouse, France, 2006 -
PDF[61]
Marko Beko,
João Xavier,
Victor Barroso "Codebook Design for the Non-Coherent GLRT Receiver and Low SNR MIMO Block Fading Channel", Proc. of SPAWC2006 - 7th IEEE Workshop on Signal Processing Advances in Wireless Communications, Cannes, France, 2006 -
PDF[62]
Marko Beko,
João Xavier,
Victor Barroso "Codebook Design for Non-Coherent Communication in Multiple-Antenna Systems", Proc. of ICASSP2006 - IEEE International Conference on Acoustics, Speech, and Signal Processing, Toulouse, France, 2006 -
PDF[64]
Ricardo Oliveira,
João Paulo Costeira,
João Xavier "Optimal Point Correspondence through the Use of Rank Constraints", Proc. of CVPR2005 - IEEE International Conference on Computer Vision and Pattern Recognition, San Diego, USA, 2005 -
PDF[65]
Ricardo Oliveira,
João Paulo Costeira,
João Xavier "Contour Point Tracking by Enforcement of Rigidity Constraints", Proc. 3DIM2005 - IEEE International Conference on 3D Digital Imaging and Modeling, Ottawa, Ontario, Canada, 2005 -
PDF[66]
João Xavier,
Victor Barroso "The Riemannian Geometry of Certain Parameter Estimation Problems with Singular Fisher Information Matrices", IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP'04, Vol. 2, pp. 1021-1024 , Montreal, Canada, 2004
[67]
João Xavier,
Victor Barroso "Geodesic Lower Bound for Parametric Estimation with Constraints", Proc. Workshop on IEEE Signal Processing Advances on Wireless Communications, SPAWC'04, Lisbon, Portugal, 2004
[68] P. Lopes,
João Xavier,
Victor Barroso "Exploiting 2nd Order Statistics in Bayesian Signal Reconstruction Problems", Proc. ICASSP2003 - IEEE International Conference on Acoustics, Speech and Signal Processing, Hong-Kong, 2003
[69] T. Patrao,
João Xavier,
Victor Barroso "An Interior Point Algorithm for Joint Symbol Detection and Multichannel Acquisition in Fast-Fading Narrowband Channels", Proc. SPAWC2003 - 4th IEEE International Workshop on Signal Processing Advances in Wireless Communications, Rome, Italy, 2003
[70]
João Xavier,
Victor Barroso "Intrinsic Variance Lower Bound for Inference Problems on Riemannian Manifolds", Proc. 10th Mediterranean Conference on Control and Automation - MED2002- Lisboa, Portugal, 2002
[72]
João Xavier,
Victor Barroso "Intrinsic Distance Lower Bound for Unbiased Estimators on Riemannian Manifolds", Proc. IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2002, Orlando, USA, 2002
[75] T. Patrao,
João Xavier,
Victor Barroso "Blind Symbol Detection and Channel Acquisition in Fast-Fading Wireless Systems with Space Diversity", To appear, IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2003, Hong Kong, 2002
[76]
João Xavier,
Victor Barroso "Blind Identification of MIMO Channels Based on Correlative Coding: Performance Analysis", Proc. IEEE International Workshop on Signal Processing Advances for Wireless Communications, SPAWC'01, Taoyuan, Taiwan, R.O.C., 2001
[79]
João Xavier,
Victor Barroso "A Semi Blind Maximum Likelihood Approach for Resolving Linear Convolutive Mixtures", IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP'2000, Istanbul, Turkey, 2000
[80]
João Xavier,
Victor Barroso "Semi-Blind Maximum Likelihood Separation of Linear Convolutive Mixtures", IEEE workshop on Statistical Signal and Array Processing, SSAP 2000, Pocono Maner, USA, 2000
[86]
João Xavier,
Victor Barroso "A Channel Order Independent Method for Blind Equalization of SIMO/MIMO Systems", Proc. IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP' 99, USA, 1999
[87]
João Xavier,
Victor Barroso "Correlative Coding Approach for Blind Identification of MIMO Systems", Proc. of the 2nd IEEE Signal Processing Workshop on Signal Processing Advances in Wireless Communications, SPAWC' 99, USA, 1999
[88]
Miloud Frikel,
Victor Barroso,
João Xavier "Blind Recursive Estimation of SIMO Channels", Proc. of the 2nd IEEE Signal Processing Workshop on Signal Processing Advances in Wireless Communications, SPAWC' 99, USA, 1999
[89]
João Xavier,
Victor Barroso "Blind Identification of MIMO Channels: A Closed Form Solution Based on Second Order Statistics", Invited paper, Proc. Asilomar Conference on Signals, Systems and Computers, Asilomar, Pacific Grove, California, USA, 1999
[91]
João Xavier,
Victor Barroso, J. Moura
"Closed-Form Blind Identification of MIMO Channels", Proc. IEEE International Conference on Acoustics, Speech and Signal processing, ICASSP'98, pp. 3165-3168, Seattle, USA, 1998
[93]
João Xavier,
Victor Barroso "Blind SDMA with a signal space geometry matched algorithm", in Proc. IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP'97, pp. 3437-3440, Munich, Germany, 1997
