Esa Ollila

According to our database, Esa Ollila authored at least 87 papers between 2003 and 2024.

Collaborative distances:

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

2024

Graph Convolutional Neural Networks Sensitivity Under Probabilistic Error Model.

Xinjue Wang, Esa Ollila, Sergiy A. Vorobyov

IEEE Trans. Signal Inf. Process. over Networks, 2024

Greedy Capon Beamformer.

Esa Ollila

IEEE Signal Process. Lett., 2024

Robust and sparse M-estimation of DOA.

Christoph F. Mecklenbräuker, Peter Gerstoft, Esa Ollila, Yongsung Park

Signal Process., 2024

Matching Pursuit Covariance Learning.

Esa Ollila

Proceedings of the 32nd European Signal Processing Conference, 2024

2023

New Robust Sparse Convolutional Coding Inversion Algorithm for Ground Penetrating Radar Images.

Matthieu Gallet, Ammar Mian, Guillaume Ginolhac, Esa Ollila, Nickolas Stelzenmuller

IEEE Trans. Geosci. Remote. Sens., 2023

Affine Equivariant Tyler's M-Estimator Applied to Tail Parameter Learning of Elliptical Distributions.

Esa Ollila, Daniel P. Palomar, Frédéric Pascal

IEEE Signal Process. Lett., 2023

Regularized EM Algorithm.

Pierre Houdouin, Esa Ollila, Frédéric Pascal

Proceedings of the IEEE International Conference on Acoustics, 2023

Sparsity-Aware Block Diagonal Representation for Subspace Clustering.

Aylin Tastan, Michael Muma, Esa Ollila, Abdelhak M. Zoubir

Proceedings of the 31st European Signal Processing Conference, 2023

Correlation-Based Graph Smoothness Measures In Graph Signal Processing.

Jari Miettinen, Sergiy A. Vorobyov, Esa Ollila, Xinjue Wang

Proceedings of the 31st European Signal Processing Conference, 2023

Robust Sparse Bayesian Learning for DOA.

Christoph F. Mecklenbräuker, Peter Gerstoft, Esa Ollila, Yongsung Park

Proceedings of the 31st European Signal Processing Conference, 2023

Nonnegative Structured Kruskal Tensor Regression.

Xinjue Wang, Esa Ollila, Sergiy A. Vorobyov

Proceedings of the 9th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, 2023

2022

Linear Pooling of Sample Covariance Matrices.

Elias Raninen, David E. Tyler, Esa Ollila

IEEE Trans. Signal Process., 2022

Regularized Tapered Sample Covariance Matrix.

Esa Ollila, Arnaud Breloy

IEEE Trans. Signal Process., 2022

Bias Adjusted Sign Covariance Matrix.

Elias Raninen, Esa Ollila

IEEE Signal Process. Lett., 2022

Multimodal image fusion via coupled feature learning.

Farshad G. Veshki, Nora Ouzir, Sergiy A. Vorobyov, Esa Ollila

Signal Process., 2022

DOA M-Estimation Using Sparse Bayesian Learning.

Christoph F. Mecklenbräuker, Peter Gerstoft, Esa Ollila

Proceedings of the IEEE International Conference on Acoustics, 2022

Graph Neural Network Sensitivity Under Probabilistic Error Model.

Xinjue Wang, Esa Ollila, Sergiy A. Vorobyov

Proceedings of the 30th European Signal Processing Conference, 2022

Robust tensor regression with applications in imaging.

Esa Ollila, Hyon-Jung Kim

Proceedings of the 30th European Signal Processing Conference, 2022

2021

Coupled Regularized Sample Covariance Matrix Estimator for Multiple Classes.

Elias Raninen, Esa Ollila

IEEE Trans. Signal Process., 2021

Shrinking the Eigenvalues of M-Estimators of Covariance Matrix.

Esa Ollila, Daniel P. Palomar, Frédéric Pascal

IEEE Trans. Signal Process., 2021

Graph Signal Processing Meets Blind Source Separation.

Jari Miettinen, Eyal Nitzan, Sergiy A. Vorobyov, Esa Ollila

IEEE Trans. Signal Process., 2021

On the Variability of the Sample Covariance Matrix Under Complex Elliptical Distributions.

Elias Raninen, Esa Ollila, David E. Tyler

IEEE Signal Process. Lett., 2021

Special issue on statistical signal processing solutions and advances for data science: Complex, dynamic and large-scale settings.

Michael Muma, Esa Ollila, Frédéric Pascal

Signal Process., 2021

Modelling and studying the effect of graph errors in graph signal processing.

Jari Miettinen, Sergiy A. Vorobyov, Esa Ollila

Signal Process., 2021

Coupled Feature Learning for Multimodal Medical Image Fusion.

Farshad G. Veshki, Nora Ouzir, Sergiy A. Vorobyov, Esa Ollila

CoRR, 2021

Qualitatively Robust Bayesian Learning for DOA from Array Data using M-Estimation of the Scatter Matrix.

Christoph F. Mecklenbräuker, Peter Gerstoft, Esa Ollila

Proceedings of the 25th International ITG Workshop on Smart Antennas, 2021

Improved estimation of the degree of freedom parameter of multivariate $t$-distribution.

Frédéric Pascal, Esa Ollila, Daniel P. Palomar

Proceedings of the 29th European Signal Processing Conference, 2021

2020

Data-Adaptive Similarity Measures for B-mode Ultrasound Images Using Robust Noise Models.

Nora Ouzir, Esa Ollila, Sergiy A. Vorobyov

IEEE J. Sel. Top. Signal Process., 2020

A Compressive Classification Framework for High-Dimensional Data.

Muhammad Naveed Tabassum, Esa Ollila

CoRR, 2020

Block-Wise Minimization-Majorization Algorithm for Huber'S Criterion: Sparse Learning and Applications.

Esa Ollila, Ammar Mian

Proceedings of the 30th IEEE International Workshop on Machine Learning for Signal Processing, 2020

M-Estimators of Scatter with Eigenvalue Shrinkage.

Esa Ollila, Daniel P. Palomar, Frédéric Pascal

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Blind Source Separation of Graph Signals.

Jari Miettinen, Sergiy A. Vorobyov, Esa Ollila

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

A Comparative Study of Supervised Learning Algorithms for Symmetric Positive Definite Features.

Ammar Mian, Elias Raninen, Esa Ollila

Proceedings of the 28th European Signal Processing Conference, 2020

Robust Registration of Multi-modal Medical Images Using Huber's Criterion.

Nora Ouzir, Esa Ollila, Sergiy A. Vorobyov

Proceedings of the 54th Asilomar Conference on Signals, Systems, and Computers, 2020

2019

Optimal Shrinkage Covariance Matrix Estimation Under Random Sampling From Elliptical Distributions.

Esa Ollila, Elias Raninen

IEEE Trans. Signal Process., 2019

Modelling Graph Errors: Towards Robust Graph Signal Processing.

Jari Miettinen, Sergiy A. Vorobyov, Esa Ollila

CoRR, 2019

Robust Least Mean Squares Estimation of Graph Signals.

Jari Miettinen, Sergiy A. Vorobyov, Esa Ollila

Proceedings of the IEEE International Conference on Acoustics, 2019

Fusing Eigenvalues.

Shahab Basiri, Esa Ollila, Gordana Draskovic, Frédéric Pascal

Proceedings of the IEEE International Conference on Acoustics, 2019

ML-based Motion Estimation in Ultrasound Images Using Heavy-tailed Noise Distributions.

Nora Ouzir, Esa Ollila, Sergiy A. Vorobyov

Proceedings of the 8th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, 2019

Spectral Shrinkage of Tyler's $M$-Estimator of Covariance Matrix.

Arnaud Breloy, Esa Ollila, Frédéric Pascal

Proceedings of the 8th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, 2019

2018

Sequential adaptive elastic net approach for single-snapshot source localization.

Muhammad Naveed Tabassum, Esa Ollila

CoRR, 2018

Compressive Regularized Discriminant Analysis of High-Dimensional Data with Applications to Microarray Studies.

Muhammad Naveed Tabassum, Esa Ollila

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

Optimal Pooling of Covariance Matrix Estimates Across Multiple Classes.

Elias Raninen, Esa Ollila

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

Graph Error Effect in Graph Signal Processing.

Jari Miettinen, Sergiy A. Vorobyov, Esa Ollila

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

Simultaneous Signal Subspace Rank and Model Selection with an Application to Single-snapshot Source Localization.

Muhammad Naveed Tabassum, Esa Ollila

Proceedings of the 26th European Signal Processing Conference, 2018

2017

Alternative Derivation of FastICA With Novel Power Iteration Algorithm.

Shahab Basiri, Esa Ollila, Visa Koivunen

IEEE Signal Process. Lett., 2017

Enhanced bootstrap method for statistical inference in the ICA model.

Shahab Basiri, Esa Ollila, Visa Koivunen

Signal Process., 2017

Scaled and square-root elastic net.

Elias Raninen, Esa Ollila

Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

Pathwise least angle regression and a significance test for the elastic net.

Muhammad Naveed Tabassum, Esa Ollila

Proceedings of the 25th European Signal Processing Conference, 2017

Optimal high-dimensional shrinkage covariance estimation for elliptical distributions.

Esa Ollila

Proceedings of the 25th European Signal Processing Conference, 2017

2016

Robust, Scalable, and Fast Bootstrap Method for Analyzing Large Scale Data.

Shahab Basiri, Esa Ollila, Visa Koivunen

IEEE Trans. Signal Process., 2016

Adaptive LASSO based on joint M-estimation of regression and scale.

Esa Ollila

Proceedings of the 24th European Signal Processing Conference, 2016

2015

Multichannel sparse recovery of complex-valued signals using Huber's criterion.

Esa Ollila

CoRR, 2015

Nonparametric simultaneous sparse recovery: An application to source localization.

Esa Ollila

Proceedings of the 23rd European Signal Processing Conference, 2015

New robust LASSO method based on ranks.

Hyon-Jung Kim, Esa Ollila, Visa Koivunen

Proceedings of the 23rd European Signal Processing Conference, 2015

Randomized simultaneous orthogonal matching pursuit.

Aqib Ejaz, Esa Ollila, Visa Koivunen

Proceedings of the 23rd European Signal Processing Conference, 2015

2014

Regularized M-Estimators of Scatter Matrix.

Esa Ollila, David E. Tyler

IEEE Trans. Signal Process., 2014

Robust iteratively reweighted Lasso for sparse tensor factorizations.

Hyon-Jung Kim, Esa Ollila, Visa Koivunen, H. Vincent Poor

Proceedings of the IEEE Workshop on Statistical Signal Processing, 2014

Robust iterative hard thresholding for compressed sensing.

Esa Ollila, Hyon-Jung Kim, Visa Koivunen

Proceedings of the 6th International Symposium on Communications, 2014

Fast and robust bootstrap method for testing hypotheses in the ICA model.

Shahab Basiri, Esa Ollila, Visa Koivunen

Proceedings of the IEEE International Conference on Acoustics, 2014

Fast and robust bootstrap in analysing large multivariate datasets.

Shahab Basiri, Esa Ollila, Visa Koivunen

Proceedings of the 48th Asilomar Conference on Signals, Systems and Computers, 2014

2013

Sparse regularization of tensor decompositions.

Hyon-Jung Kim, Esa Ollila, Visa Koivunen

Proceedings of the IEEE International Conference on Acoustics, 2013

Robust and sparse estimation of tensor decompositions.

Hyon-Jung Kim, Esa Ollila, Visa Koivunen, Christophe Croux

Proceedings of the IEEE Global Conference on Signal and Information Processing, 2013

2012

Complex Elliptically Symmetric Distributions: Survey, New Results and Applications.

Esa Ollila, David E. Tyler, Visa Koivunen, H. Vincent Poor

IEEE Trans. Signal Process., 2012

Compound-Gaussian Clutter Modeling With an Inverse Gaussian Texture Distribution.

Esa Ollila, David E. Tyler, Visa Koivunen, H. Vincent Poor

IEEE Signal Process. Lett., 2012

Distribution-free detection under complex elliptically symmetric clutter distribution.

Esa Ollila, David E. Tyler

Proceedings of the IEEE 7th Sensor Array and Multichannel Signal Processing Workshop, 2012

Robust greedy algorithms for compressed sensing.

Seyed Alireza Razavi, Esa Ollila, Visa Koivunen

Proceedings of the 20th European Signal Processing Conference, 2012

2011

Complex Elliptically Symmetric Random Variables - Generation, Characterization, and Circularity Tests.

Esa Ollila, Jan Eriksson, Visa Koivunen

IEEE Trans. Signal Process., 2011

On Testing the Extent of Noncircularity.

Mike Novey, Esa Ollila, Tülay Adali

IEEE Trans. Signal Process., 2011

Effects of repeatability measures on results of fMRI sICA: A study on simulated and real resting-state effects.

Jukka J. Remes, Tuomo Starck, Juha Nikkinen, Esa Ollila, Christian F. Beckmann, Osmo Tervonen, Vesa Kiviniemi, Olli Silvén

NeuroImage, 2011

Complex-valued signal processing - essential models, tools and statistics.

Esa Ollila, Visa Koivunen, H. Vincent Poor

Proceedings of the Information Theory and Applications Workshop, 2011

On testing hypotheses of mixing vectors in the ICA model using fastica.

Esa Ollila, Hyon-Jung Kim

Proceedings of the 8th IEEE International Symposium on Biomedical Imaging: From Nano to Macro, 2011

A robust estimator and detector of circularity of complex signals.

Esa Ollila, Visa Koivunen, H. Vincent Poor

Proceedings of the IEEE International Conference on Acoustics, 2011

Deflation-based FastICA reloaded.

Klaus Nordhausen, Pauliina Ilmonen, Abhijit Mandal, Hannu Oja, Esa Ollila

Proceedings of the 19th European Signal Processing Conference, 2011

2010

The deflation-based FastICA estimator: statistical analysis revisited.

Esa Ollila

IEEE Trans. Signal Process., 2010

Essential statistics and tools for complex random variables.

Jan Eriksson, Esa Ollila, Visa Koivunen

IEEE Trans. Signal Process., 2010

A New Performance Index for ICA: Properties, Computation and Asymptotic Analysis.

Pauliina Ilmonen, Klaus Nordhausen, Hannu Oja, Esa Ollila

Proceedings of the Latent Variable Analysis and Signal Separation, 2010

2009

Influence Function and Asymptotic Efficiency of Scatter Matrix Based Array Processors: Case MVDR Beamformer.

Esa Ollila, Visa Koivunen

IEEE Trans. Signal Process., 2009

Complex ICA using generalized uncorrelating transform.

Esa Ollila, Visa Koivunen

Signal Process., 2009

Statistics for complex random variables revisited.

Jan Eriksson, Esa Ollila, Visa Koivunen

Proceedings of the IEEE International Conference on Acoustics, 2009

2008

Compact Cramér-Rao Bound Expression for Independent Component Analysis.

Esa Ollila, Hyon-Jung Kim, Visa Koivunen

IEEE Trans. Signal Process., 2008

On the Circularity of a Complex Random Variable.

Esa Ollila

IEEE Signal Process. Lett., 2008

Complex-valued ICA based on a pair of generalized covariance matrices.

Esa Ollila, Hannu Oja, Visa Koivunen

Comput. Stat. Data Anal., 2008

2007

Stochastic Maximum-Likelihood Method for MIMO Propagation Parameter Estimation.

Cássio B. Ribeiro, Esa Ollila, Visa Koivunen

IEEE Trans. Signal Process., 2007

2005

Propagation parameter estimation in MIMO systems using mixture of angular distributions model.

Cássio B. Ribeiro, Esa Ollila, Visa Koivunen

Proceedings of the 2005 IEEE International Conference on Acoustics, 2005

2004

Stochastic maximum likelihood method for propagation parameter estimation.

Cássio B. Ribeiro, Esa Ollila, Visa Koivunen

Proceedings of the IEEE 15th International Symposium on Personal, 2004

2003

Robust antenna array processing using M-estimators of pseudo-covariance.

Esa Ollila, Visa Koivunen

Proceedings of the IEEE 14th International Symposium on Personal, 2003