João Manuel de Freitas Xavier


AuthID: R-000-73Q

Confirmed Publications: 83



61
TITLE: Maximum likelihood attitude and position estimation from pseudo-range measurements using geometric descent optimization  Full Text
AUTHORS: Alcocer, A; Oliveira, P ; Pascoal, A ; Xavier, J ;
PUBLISHED: 2006, SOURCE: 45th IEEE Conference on Decision and Control in PROCEEDINGS OF THE 45TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-14
INDEXED IN: Scopus WOS CrossRef
IN MY: ORCID
62
TITLE: Newton method for Riemannian centroid computation in naturally reductive homogeneous spaces
AUTHORS: Ferreira, R; Xavier, J ; Costeira, JP; Barroso, V;
PUBLISHED: 2006, SOURCE: 31st IEEE International Conference on Acoustics, Speech and Signal Processing in 2006 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL III, PROCEEDINGS: SIGNAL PROCESSING THEORY AND METHODS, DESIGN AND IMPLEMENTATION OF SIGNAL PROCESSING SYSTEMS, INDUSTRY TECHNOLOGY TRACKS, VOLUME: 3
INDEXED IN: Scopus WOS CrossRef: 11
IN MY: ORCID
63
TITLE: Intrinsic Variance Lower Bound (IVLB): An extension of the Cramer-Rao bound to Riemannian manifolds
AUTHORS: Xavier, J ; Barroso, V ;
PUBLISHED: 2005, SOURCE: 30th IEEE International Conference on Acoustics, Speech, and Signal Processing in 2005 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1-5: SPEECH PROCESSING, VOLUME: V
INDEXED IN: Scopus WOS CrossRef
IN MY: ORCID
64
TITLE: Optimal point correspondence through the use of rank constraints  Full Text
AUTHORS: Oliveira, R; Costeira, J ; Xavier, J ;
PUBLISHED: 2005, SOURCE: Conference on Computer Vision and Pattern Recognition in 2005 IEEE COMPUTER SOCIETY CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION, VOL 2, PROCEEDINGS, VOLUME: 2
INDEXED IN: Scopus WOS CrossRef
IN MY: ORCID
65
TITLE: Geodesic lower bound for parametric estimation with constraints
AUTHORS: Xavier, J ; Barroso, V ;
PUBLISHED: 2004, SOURCE: 5th IEEE Workshop on Signal Processing Advances in Wireless Communications in 2004 IEEE 5TH WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS
INDEXED IN: Scopus WOS
IN MY: ORCID
66
TITLE: The Riemannian geometry of certain parameter estimation problems with singular fisher information matrices
AUTHORS: Xavier, J ; Barroso, V ;
PUBLISHED: 2004, SOURCE: IEEE International Conference on Acoustics, Speech, and Signal Processing in 2004 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL II, PROCEEDINGS: SENSOR ARRAY AND MULTICHANNEL SIGNAL PROCESSING SIGNAL PROCESSING THEORY AND METHODS, VOLUME: 2
INDEXED IN: Scopus WOS
IN MY: ORCID
67
TITLE: Blind symbol detection and channel acquisition in fast-fading wireless systems with space diversity
AUTHORS: Patrao, T; Xavier, J ; Barroso, V ;
PUBLISHED: 2003, SOURCE: IEEE International Conference on Acoustics, Speech, and Signal Processing in 2003 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL IV, PROCEEDINGS: SIGNAL PROCESSING FOR COMMUNICATIONS SPECIAL SESSIONS, VOLUME: 4
INDEXED IN: Scopus WOS
IN MY: ORCID
68
TITLE: Exploiting 2nd-order statistics in Bayesian signal reconstruction problems
AUTHORS: Lopes, P; Xavier, J ; Barroso, V ;
PUBLISHED: 2003, SOURCE: IEEE International Conference on Acoustics, Speech, and Signal Processing in 2003 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOL IV, PROCEEDINGS: SIGNAL PROCESSING FOR COMMUNICATIONS SPECIAL SESSIONS, VOLUME: 4
INDEXED IN: Scopus WOS
IN MY: ORCID
69
TITLE: Intrinsic distance lower bound for unbiased estimators on Riemannian manifolds
AUTHORS: Xavier, J ; Barroso, V ;
PUBLISHED: 2002, SOURCE: IEEE International Conference on Acoustics, Speech, and Signal Processing in 2002 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS I-IV, PROCEEDINGS, VOLUME: 2
INDEXED IN: Scopus WOS
IN MY: ORCID
70
TITLE: Prewhitening of mixing matrices: Impact on the contraction of their probability mass priors
AUTHORS: Xavier, J ; Barroso, V ; Lopes, P; Patrao, T;
PUBLISHED: 2002, SOURCE: IEEE International Symposium on Information Theory in ISIT: 2002 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, PROCEEDINGS
INDEXED IN: Scopus WOS
IN MY: ORCID
Page 7 of 9. Total results: 83.

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