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

Konstantinos Themelis Konstantinos E. Themelis Konstantinos E. Themelis François Lanusse Niall Jeffrey Austin Peel Jean-Luc Starck Filipe B. Abdalla Modelling Data with both Sparsity and a Gaussian Random Field: Application to Dark Matter Mass Mapping in Cosmology. 376-379 2018 EUSIPCO https://doi.org/10.23919/EUSIPCO.2018.8553224 conf/eusipco/2018 db/conf/eusipco/eusipco2018.html#ThemelisLJPSA18

Paris V. Giampouras Athanasios A. Rontogiannis Konstantinos E. Themelis Konstantinos D. Koutroumbas Online sparse and low-rank subspace learning from incomplete data: A Bayesian view. 199-212 2017 137 Signal Process. https://doi.org/10.1016/j.sigpro.2017.02.003 db/journals/sigpro/sigpro137.html#GiampourasRTK17

Paris V. Giampouras Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos D. Koutroumbas Simultaneously Sparse and Low-Rank Abundance Matrix Estimation for Hyperspectral Image Unmixing. 4775-4789 2016 54 IEEE Trans. Geosci. Remote. Sens. 8 https://doi.org/10.1109/TGRS.2016.2551327 db/journals/tgrs/tgrs54.html#GiampourasTRK16

Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos D. Koutroumbas Variational Bayes Group Sparse Time-Adaptive Parameter Estimation With Either Known or Unknown Sparsity Pattern. 3194-3206 2016 64 IEEE Trans. Signal Process. 12 https://doi.org/10.1109/TSP.2016.2543204 db/journals/tsp/tsp64.html#ThemelisRK16

Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos Koutroumbas Online Bayesian group sparse parameter estimation using a generalized inverse Gaussian Markov chain. 1686-1690 2015 EUSIPCO https://doi.org/10.1109/EUSIPCO.2015.7362671 conf/eusipco/2015 db/conf/eusipco/eusipco2015.html#ThemelisRK15 Paris Giampouras Athanasios A. Rontogiannis Konstantinos E. Themelis Konstantinos Koutroumbas Online Bayesian low-rank subspace learning from partial observations. 2526-2530 2015 EUSIPCO https://doi.org/10.1109/EUSIPCO.2015.7362840 conf/eusipco/2015 db/conf/eusipco/eusipco2015.html#GiampourasRTK15 Paris V. Giampouras Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos D. Koutroumbas Hyperspectral image unmixing via simultaneously sparse and low rank abundance matrix estimation. 1-4 2015 WHISPERS https://doi.org/10.1109/WHISPERS.2015.8075392 conf/whispers/2015 db/conf/whispers/whispers2015.html#GiampourasTRK15

Paris Giampouras Konstantinos Themelis Athanasios A. Rontogiannis Konstantinos Koutroumbas Simultaneously sparse and low-rank abundance matrix estimation for hyperspectral image unmixing. 2015 abs/1504.01515 CoRR http://arxiv.org/abs/1504.01515 db/journals/corr/corr1504.html#GiampourasTRK15

Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos Koutroumbas A Variational Bayes Framework for Sparse Adaptive Estimation. 4723-4736 2014 62 IEEE Trans. Signal Process. 18 https://doi.org/10.1109/TSP.2014.2338839 db/journals/tsp/tsp62.html#ThemelisRK14

Georgios K. Papageorgiou Pantelis Bouboulis Sergios Theodoridis Konstantinos Themelis Robust linear regression analysis - The greedy way. 16-20 2014 EUSIPCO https://ieeexplore.ieee.org/document/6951962/ conf/eusipco/2014 db/conf/eusipco/eusipco2014.html#PapageorgiouBTT14 Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos Koutroumbas Group-sparse adaptive variational Bayes estimation. 1342-1346 2014 EUSIPCO https://ieeexplore.ieee.org/document/6952468/ conf/eusipco/2014 db/conf/eusipco/eusipco2014.html#ThemelisRK14 Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos Koutroumbas Adaptive variational sparse Bayesian estimation. 7679-7683 2014 ICASSP https://doi.org/10.1109/ICASSP.2014.6855094 conf/icassp/2014 db/conf/icassp/icassp2014.html#ThemelisRK14 Paris V. Giampouras Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos D. Koutroumbas A variational Bayes algorithm for joint-sparse abundance estimation. 1-4 2014 WHISPERS https://doi.org/10.1109/WHISPERS.2014.8077560 conf/whispers/2014 db/conf/whispers/whispers2014.html#GiampourasTRK14

Georgios K. Papageorgiou Pantelis Bouboulis Sergios Theodoridis Konstantinos Themelis Robust Linear Regression Analysis - A Greedy Approach. 2014 abs/1409.4279 CoRR http://arxiv.org/abs/1409.4279 db/journals/corr/corr1409.html#PapageorgiouBTT14

Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos Koutroumbas Variational Bayesian sparse adaptive filtering using a Gauss-Seidel recursive approach. 1-5 2013 EUSIPCO https://ieeexplore.ieee.org/document/6811549/ conf/eusipco/2013 db/conf/eusipco/eusipco2013.html#ThemelisRK13 Athanasios A. Rontogiannis Konstantinos Themelis Olga Sykioti Konstantinos Koutroumbas A fast variational Bayes algorithm for sparse semi-supervised unmixing of OMEGA/Mars express data. 1-4 2013 WHISPERS https://doi.org/10.1109/WHISPERS.2013.8080749 conf/whispers/2013 db/conf/whispers/whispers2013.html#RontogiannisTSK13

Konstantinos Themelis Athanasios A. Rontogiannis Konstantinos Koutroumbas A Novel Hierarchical Bayesian Approach for Sparse Semisupervised Hyperspectral Unmixing. 585-599 2012 60 IEEE Trans. Signal Process. 2 https://doi.org/10.1109/TSP.2011.2174052 db/journals/tsp/tsp60.html#ThemelisRK12

Athanasios A. Rontogiannis Konstantinos E. Themelis Konstantinos Koutroumbas A fast algorithm for the Bayesian adaptive lasso. 974-978 2012 EUSIPCO https://ieeexplore.ieee.org/document/6333961/ conf/eusipco/2012 db/conf/eusipco/eusipco2012.html#RontogiannisTK12 Konstantinos E. Themelis Athanasios A. Rontogiannis Konstantinos Koutroumbas Sparse semi-supervised hyperspectral unmixing using a novel iterative Bayesian inference algorithm. 1165-1169 2011 EUSIPCO https://ieeexplore.ieee.org/document/7074001/ conf/eusipco/2011 db/conf/eusipco/eusipco2011.html#ThemelisRK11 Konstantinos Themelis Athanasios A. Rontogiannis Konstantinos Koutroumbas Semi-Supervised Hyperspectral Unmixing via the Weighted Lasso. 1194-1197 2010 ICASSP conf/icassp/2010 db/conf/icassp/icassp2010.html#ThemelisRK10 Konstantinos Themelis Athanasios A. Rontogiannis A soft constrained MAP estimator for supervised hyperspectral signal unmixing. 1-5 2008 EUSIPCO https://ieeexplore.ieee.org/document/7080529/ conf/eusipco/2008 db/conf/eusipco/eusipco2008.html#ThemelisR08 Filipe B. Abdalla Pantelis Bouboulis Paris GiampourasParis V. Giampouras Niall Jeffrey Konstantinos KoutroumbasKonstantinos D. Koutroumbas François Lanusse Georgios K. Papageorgiou Austin Peel Athanasios A. Rontogiannis Jean-Luc Starck Olga Sykioti Sergios Theodoridis