João Manuel Freitas Xavier

Publication Activity (10 Years)

Years Active: 1998-2014
Publications (10 Years): 0

Top Topics

Temporal Dependencies

Convergence Rate

Distributed Learning

Top Venues

IEEE Trans. Signal Process.

Allerton Conference

Publications

Brian Swenson, Soummya Kar, João Manuel Freitas Xavier
Strong convergence to mixed equilibria in fictitious play. CISS (2014)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Fast Distributed Gradient Methods. IEEE Trans. Autom. Control. 59 (5) (2014)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Convergence Rates of Distributed Nesterov-Like Gradient Methods on Random Networks. IEEE Trans. Signal Process. 62 (4) (2014)
Brian Swenson, Soummya Kar, João Manuel Freitas Xavier
Empirical Centroid Fictitious Play: An Approach For Distributed Learning In Multi-Agent Games CoRR (2013)
Ricardo Ferreira, João Manuel Freitas Xavier, João Paulo Costeira, Victor A. N. Barroso
Newton Algorithms for Riemannian Distance Related Problems on Connected Locally Symmetric Manifolds. IEEE J. Sel. Top. Signal Process. 7 (4) (2013)
Dusan Jakovetic, José M. F. Moura, João Manuel Freitas Xavier
Linear Convergence Rate of a Class of Distributed Augmented Lagrangian Algorithms. CoRR (2013)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Convergence Rates of Distributed Nesterov-like Gradient Methods on Random Networks. CoRR (2013)
Augusto Santos, José M. F. Moura, João Manuel Freitas Xavier
Emergent Behavior in Multipartite Large Networks: Multi-virus Epidemics. CoRR (2013)
Augusto Santos, José M. F. Moura, João Manuel Freitas Xavier
Epidemics in Multipartite Networks: Emergent Dynamics. CoRR (2013)
Dragana Bajovic, João Manuel Freitas Xavier, José M. F. Moura, Bruno Sinopoli
Consensus and Products of Random Stochastic Matrices: Exact Rate for Convergence in Probability. IEEE Trans. Signal Process. 61 (10) (2013)
Dragana Bajovic, João Manuel Freitas Xavier, Bruno Sinopoli
Products of stochastic matrices: Large deviation rate for Markov chain temporal dependencies. Allerton Conference (2012)
Brian Swenson, Soummya Kar, João Manuel Freitas Xavier
Distributed learning in large-scale multi-agent games: A modified fictitious play approach. ACSCC (2012)
Dusan Jakovetic, José M. F. Moura, João Manuel Freitas Xavier
Consensus+innovations detection: Phase transition under communication noise. Allerton Conference (2012)
Dragana Bajovic, Dusan Jakovetic, José M. F. Moura, João Manuel Freitas Xavier, Bruno Sinopoli
Large Deviations Performance of Consensus+Innovations Distributed Detection With Non-Gaussian Observations. IEEE Trans. Signal Process. 60 (11) (2012)
Dusan Jakovetic, José M. F. Moura, João Manuel Freitas Xavier
Distributed Detection Over Noisy Networks: Large Deviations Analysis. IEEE Trans. Signal Process. 60 (8) (2012)
Dragana Bajovic, João Manuel Freitas Xavier, José M. F. Moura, Bruno Sinopoli
Consensus and Products of Random Stochastic Matrices: Exact Rate for Convergence in Probability CoRR (2012)
Dusan Jakovetic, José M. F. Moura, João Manuel Freitas Xavier
Distributed Nesterov-like gradient algorithms. CDC (2012)
Dragana Bajovic, João Manuel Freitas Xavier, José M. F. Moura, Bruno Sinopoli
Exact rate for convergence in probability of averaging processes via generalized min-cut. CDC (2012)
Dusan Jakovetic, José M. F. Moura, João Manuel Freitas Xavier
Fast cooperative distributed learning. ACSCC (2012)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Fast Distributed Gradient Methods CoRR (2011)
Dragana Bajovic, Dusan Jakovetic, José M. F. Moura, João Manuel Freitas Xavier, Bruno Sinopoli
Large deviations analysis of consensus+innovations detection in random networks. Allerton (2011)
Dragana Bajovic, Dusan Jakovetic, João Manuel Freitas Xavier, Bruno Sinopoli, José M. F. Moura
Asymptotic performance of distributed detection over random networks. ICASSP (2011)
Dragana Bajovic, Bruno Sinopoli, João Manuel Freitas Xavier
Sensor Selection for Event Detection in Wireless Sensor Networks. IEEE Trans. Signal Process. 59 (10) (2011)
Dragana Bajovic, Dusan Jakovetic, José M. F. Moura, João Manuel Freitas Xavier, Bruno Sinopoli
Large Deviations Performance of Consensus+Innovations Distributed Detection with Non-Gaussian Observations CoRR (2011)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Cooperative Convex Optimization in Networked Systems: Augmented Lagrangian Algorithms With Directed Gossip Communication. IEEE Trans. Signal Process. 59 (8) (2011)
Dragana Bajovic, Dusan Jakovetic, João Manuel Freitas Xavier, Bruno Sinopoli, José M. F. Moura
Distributed Detection via Gaussian Running Consensus: Large Deviations Asymptotic Analysis. IEEE Trans. Signal Process. 59 (9) (2011)
Dusan Jakovetic, José M. F. Moura, João Manuel Freitas Xavier
Distributed Detection over Noisy Networks: Large Deviations Analysis CoRR (2011)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Consensus in correlated random topologies: Weights for finite time horizon. ICASSP (2010)
Dragana Bajovic, Dusan Jakovetic, João Manuel Freitas Xavier, Bruno Sinopoli, José M. F. Moura
Distributed Detection over Time Varying Networks: Large Deviations Analysis CoRR (2010)
Dragana Bajovic, Dusan Jakovetic, João Manuel Freitas Xavier, Bruno Sinopoli, José M. F. Moura
Distributed Detection over Random Networks: Large Deviations Performance Analysis CoRR (2010)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Weight optimization for consensus algorithms with correlated switching topology. IEEE Trans. Signal Process. 58 (7) (2010)
Dragana Bajovic, Bruno Sinopoli, João Manuel Freitas Xavier
Sensor Selection for Event Detection in Wireless Sensor Networks CoRR (2010)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Cooperative Convex Optimization in Networked Systems: Augmented Lagrangian Algorithms with Directed Gossip Communication CoRR (2010)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Consensus in Correlated Random Topologies: Weights for Finite Time Horizon CoRR (2009)
Ricardo Ferreira, João Manuel Freitas Xavier, João Paulo Costeira
Shape From Motion of Nonrigid Objects: The Case of Isometrically Deformable Flat Surfaces. BMVC (2009)
Dragana Bajovic, Bruno Sinopoli, João Manuel Freitas Xavier
Sensor selection for hypothesis testing in wireless sensor networks: a Kullback-Leibler based approach. CDC (2009)
Dusan Jakovetic, João Manuel Freitas Xavier, José M. F. Moura
Weight Optimization for Consensus Algorithms with Correlated Switching Topology CoRR (2009)
Ricardo Ferreira, João Manuel Freitas Xavier, João Paulo Costeira
Reconstruction of isometrically deformable flat surfaces in 3D from multiple camera images. ICASSP (2009)
Marko Beko, João Manuel Freitas Xavier, Victor A. N. Barroso
Further Results on the Capacity and Error Probability Analysis of Noncoherent MIMO Systems in the Low SNR Regime. IEEE Trans. Signal Process. 56 (7-1) (2008)
Bernardo Rodrigues Pires, José M. F. Moura, João Manuel Freitas Xavier
LASIC: A model invariant framework for correspondence. ICIP (2008)
Marko Beko, João Manuel Freitas Xavier, Victor A. N. Barroso
Noncoherent Communication in Multiple-Antenna Systems: Receiver Design and Codebook Construction. IEEE Trans. Signal Process. 55 (12) (2007)
Marko Beko, João Manuel Freitas Xavier, Victor A. N. Barroso
Capacity and Error Probability Analysis of Non-Coherent MIMO Systems in the Low SNR Regime. ICASSP (3) (2007)
Ricardo Oliveira, João Manuel Freitas Xavier, João Paulo Costeira
Multi-view correspondence by enforcement of rigidity constraints. Image Vis. Comput. 25 (6) (2007)
Ricardo Ferreira, João Manuel Freitas Xavier, João Paulo Costeira, Victor A. N. Barroso
Newton Method for Riemannian Centroid Computation in Naturally Reductive Homogeneous Spaces. ICASSP (3) (2006)
Marko Beko, João Manuel Freitas Xavier, Victor A. N. Barroso
Codebook Design for Non-Coherent Communication in Multiple-Antenna Systems. ICASSP (4) (2006)
João Manuel Freitas Xavier, Victor A. N. Barroso
Intrinsic variance lower bound (IVLB): an extension of the Cramer-Rao bound to Riemannian manifolds. ICASSP (5) (2005)
Ricardo Oliveira, João Paulo Costeira, João Manuel Freitas Xavier
Contour Point Tracking by Enforcement of Rigidity Constraints. 3DIM (2005)
Ricardo Oliveira, João Paulo Costeira, João Manuel Freitas Xavier
Optimal Point Correspondence through the Use of Rank Constraints. CVPR (2) (2005)
João Manuel Freitas Xavier, Victor A. N. Barroso
The Riemannian geometry of certain parameter estimation problems with singular Fisher information matrices. ICASSP (2) (2004)
Tiago Patrão, João Manuel Freitas Xavier, Victor A. N. Barroso
Blind symbol detection and channel acquisition in fast-fading wireless systems with space diversity. ICASSP (4) (2003)
Paulo Lopes, João Manuel Freitas Xavier, Victor A. N. Barroso
Exploiting 2nd-order statistics in Bayesian signal reconstruction problems. ICASSP (4) (2003)
João Manuel Freitas Xavier, Victor A. N. Barroso
Intrinsic distance lower bound for unbiased estimators on Riemannian manifolds. ICASSP (2002)
João Manuel Freitas Xavier, Victor A. N. Barroso
Performance analysis of a second order statistics based solution for the MIMO channel identification problem. ICASSP (2001)
João Manuel Freitas Xavier, Victor A. N. Barroso, José M. F. Moura
) blind identification of MIMO channels: isometry fitting to second order statistics. IEEE Trans. Signal Process. 49 (5) (2001)
João Manuel Freitas Xavier, Victor A. N. Barroso
A semi-blind maximum likelihood approach for resolving linear convolutive mixtures. ICASSP (2000)
João Manuel Freitas Xavier, Victor A. N. Barroso
Blind Source Separation, ISI Cancellation and Carrier Phase Recovery in SDMA Systems for Mobile Communications. Wirel. Pers. Commun. 10 (1) (1999)
João Manuel Freitas Xavier, Victor A. N. Barroso, José M. F. Moura
Closed-form blind channel identification and source separation in SDMA systems through correlative coding. IEEE J. Sel. Areas Commun. 16 (8) (1998)
Victor A. N. Barroso, José M. F. Moura, João Manuel Freitas Xavier
Blind array channel division multiple access (AChDMA) for mobile communications. IEEE Trans. Signal Process. 46 (3) (1998)