Konstantinos Themelis

According to our database, Konstantinos Themelis authored at least 20 papers between 2008 and 2018.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2018

Modelling Data with both Sparsity and a Gaussian Random Field: Application to Dark Matter Mass Mapping in Cosmology.

Konstantinos E. Themelis, François Lanusse, Niall Jeffrey, Austin Peel, Jean-Luc Starck, Filipe B. Abdalla

Proceedings of the 26th European Signal Processing Conference, 2018

2017

Online sparse and low-rank subspace learning from incomplete data: A Bayesian view.

Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos E. Themelis, Konstantinos D. Koutroumbas

Signal Process., 2017

2016

Variational Bayes Group Sparse Time-Adaptive Parameter Estimation With Either Known or Unknown Sparsity Pattern.

Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas

IEEE Trans. Signal Process., 2016

Simultaneously Sparse and Low-Rank Abundance Matrix Estimation for Hyperspectral Image Unmixing.

Paris V. Giampouras, Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas

IEEE Trans. Geosci. Remote. Sens., 2016

2015

Hyperspectral image unmixing via simultaneously sparse and low rank abundance matrix estimation.

Paris V. Giampouras, Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas

Proceedings of the 7th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, 2015

Online Bayesian group sparse parameter estimation using a generalized inverse Gaussian Markov chain.

Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas

Proceedings of the 23rd European Signal Processing Conference, 2015

Online Bayesian low-rank subspace learning from partial observations.

Paris Giampouras, Athanasios A. Rontogiannis, Konstantinos E. Themelis, Konstantinos Koutroumbas

Proceedings of the 23rd European Signal Processing Conference, 2015

2014

A Variational Bayes Framework for Sparse Adaptive Estimation.

Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas

IEEE Trans. Signal Process., 2014

Robust Linear Regression Analysis - A Greedy Approach.

Georgios K. Papageorgiou, Pantelis Bouboulis, Sergios Theodoridis, Konstantinos Themelis

CoRR, 2014

A variational Bayes algorithm for joint-sparse abundance estimation.

Paris V. Giampouras, Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas

Proceedings of the 6th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, 2014

Adaptive variational sparse Bayesian estimation.

Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas

Proceedings of the IEEE International Conference on Acoustics, 2014

Group-sparse adaptive variational Bayes estimation.

Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas

Proceedings of the 22nd European Signal Processing Conference, 2014

Robust linear regression analysis - The greedy way.

Georgios K. Papageorgiou, Pantelis Bouboulis, Sergios Theodoridis, Konstantinos Themelis

Proceedings of the 22nd European Signal Processing Conference, 2014

2013

A fast variational Bayes algorithm for sparse semi-supervised unmixing of OMEGA/Mars express data.

Athanasios A. Rontogiannis, Konstantinos Themelis, Olga Sykioti, Konstantinos Koutroumbas

Proceedings of the 5th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing, 2013

Variational Bayesian sparse adaptive filtering using a Gauss-Seidel recursive approach.

Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas

Proceedings of the 21st European Signal Processing Conference, 2013

2012

A Novel Hierarchical Bayesian Approach for Sparse Semisupervised Hyperspectral Unmixing.

Konstantinos Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas

IEEE Trans. Signal Process., 2012

A fast algorithm for the Bayesian adaptive lasso.

Athanasios A. Rontogiannis, Konstantinos E. Themelis, Konstantinos Koutroumbas

Proceedings of the 20th European Signal Processing Conference, 2012

2011

Sparse semi-supervised hyperspectral unmixing using a novel iterative Bayesian inference algorithm.

Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas

Proceedings of the 19th European Signal Processing Conference, 2011

2010

Semi-Supervised Hyperspectral Unmixing via the Weighted Lasso.

Konstantinos Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas

Proceedings of the IEEE International Conference on Acoustics, 2010

2008

A soft constrained MAP estimator for supervised hyperspectral signal unmixing.

Konstantinos Themelis, Athanasios A. Rontogiannis

Proceedings of the 2008 16th European Signal Processing Conference, 2008