Esa Ollila
20022022

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  • 2021

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

    Pascal, F., Ollila, E. & Palomar, D. P., 27 Aug 2021, 2021 29th European Signal Processing Conference (EUSIPCO). IEEE, p. 860-864 5 p. 9616162

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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

    Mecklenbräuker, C. F., Gerstoft, P. & Ollila, E., 2021, WSA 2021 - 25th International ITG Workshop on Smart Antennas. VDE Verlag, p. 179-184 6 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  • 2020

    A comparative study of supervised learning algorithms for symmetric positive definite features

    Mian, A., Raninen, E. & Ollila, E., 2020, 28th European Signal Processing Conference, EUSIPCO 2020 - Proceedings. EURASIP, p. 950-954 5 p. 9287531. (European Signal Processing Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    Open Access
    File
    67 Downloads (Pure)
  • Blind source separation of graph signals

    Miettinen, J., Vorobyov, S. A. & Ollila, E., May 2020, 2020 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2020 - Proceedings. IEEE, p. 5645-5649 5 p. 9054575. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    4 Citations (Scopus)
  • Block-wise minimization-majorization algorithm for huber's criterion: Sparse learning and applications

    Ollila, E. & Mian, A., Sep 2020, Proceedings of the 2020 IEEE 30th International Workshop on Machine Learning for Signal Processing, MLSP 2020. IEEE, 6 p. 9231538. (IEEE International Workshop on Machine Learning for Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    Open Access
    File
    1 Citation (Scopus)
    52 Downloads (Pure)
  • M-estimators of scatter with eigenvalue shrinkage

    Ollila, E., Palomar, D. P. & Pascal, F., May 2020, 2020 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2020 - Proceedings. IEEE, p. 5305-5309 5 p. 9054555. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    Open Access
    File
    1 Citation (Scopus)
    70 Downloads (Pure)
  • Robust Registration of Multi-modal Medical Images Using Huber's Criterion

    Ouzir, N., Ollila, E. & Vorobyov, S. A., 1 Nov 2020, Conference Record of the 54th Asilomar Conference on Signals, Systems and Computers, ACSSC 2020. Matthews, M. B. (ed.). IEEE, p. 773-777 5 p. 9443321. (Asilomar Conference on Signals, Systems, and Computers proceedings; vol. 2020-November).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    Open Access
  • 2019

    Fusing Eigenvalues

    Basiri, S., Ollila, E., Drašković, G. & Pascal, F., 1 May 2019, 44th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2019; Brighton; United Kingdom; 12-17 May 2019 : Proceedings. IEEE, p. 4968-4972 5 p. 8682906. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    1 Citation (Scopus)
  • ML-based Motion Estimation in Ultrasound Images Using Heavy-tailed Noise Distributions

    Ouzir, N., Ollila, E. & Vorobyov, S. A., 1 Dec 2019, 2019 IEEE 8th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2019 - Proceedings. IEEE, p. 366-370 5 p. 9022664

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  • Robust Least Mean Squares Estimation of Graph Signals

    Miettinen, J., Vorobyov, S. & Ollila, E., 1 May 2019, 44th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2019; Brighton; United Kingdom; 12-17 May 2019 : Proceedings. IEEE, p. 5416-5420 5 p. 8683193. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    Open Access
    File
    2 Citations (Scopus)
    65 Downloads (Pure)
  • Spectral Shrinkage of Tyler's M-Estimator of Covariance Matrix

    Breloy, A., Ollila, E. & Pascal, F., 1 Dec 2019, 2019 IEEE 8th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2019 - Proceedings. IEEE, p. 535-538 4 p. 9022652

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    Open Access
    File
    56 Downloads (Pure)
  • 2018

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

    Tabassum, M. N. & Ollila, E., 10 Sep 2018, 2018 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2018 - Proceedings. IEEE, Vol. 2018-April. p. 4204-4208 5 p. 8462328. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    3 Citations (Scopus)
  • Graph Error Effect in Graph Signal Processing

    Miettinen, J., Vorobyov, S. A. & Ollila, E., 2018, 2018 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP). IEEE, p. 4164-4168 5 p. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  • Optimal Pooling of Covariance Matrix Estimates Across Multiple Classes

    Raninen, E. & Ollila, E., 10 Sep 2018, 2018 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2018 - Proceedings. IEEE, Vol. 2018-April. p. 4224-4228 5 p. 8461327. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    Open Access
    File
    2 Citations (Scopus)
    184 Downloads (Pure)
  • Simultaneous signal subspace rank and model selection with an application to single-snapshot source localization

    Tabassum, M. N. & Ollila, E., 29 Nov 2018, 2018 26th European Signal Processing Conference, EUSIPCO 2018. IEEE, Vol. 2018-September. p. 1592-1596 5 p. 8553171. (European Signal Processing Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    Open Access
  • 2017

    Optimal high-dimensional shrinkage covariance estimation for elliptical distributions

    Ollila, E., Oct 2017, 2017 25th European Signal Processing Conference (EUSIPCO). IEEE, p. 1639 - 1643 5 p. (European Signal Processing Conference ).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    4 Citations (Scopus)
  • Pathwise Least Angle Regression and a Significance Test for the Elastic Net

    Tabassum, M. & Ollila, E., Oct 2017, 2017 25th European Signal Processing Conference (EUSIPCO). IEEE, p. 1309 - 1313 5 p. (European Signaal Processing Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    4 Citations (Scopus)
  • Scaled and square-root elastic net

    Raninen, E. & Ollila, E., 16 Jun 2017, 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2017 - Proceedings. IEEE, p. 4336-4340 5 p. 7952975. (Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    3 Citations (Scopus)
  • 2016

    Adaptive Lasso based on joint M-estimation of regression and scale

    Ollila, E., 28 Nov 2016, Proceedings of the 24th European Signal Processing Conference, EUSIPCO 2016. IEEE, Vol. 2016-November. p. 2191-2195 5 p. 7760637. (European Signal Processing Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    6 Citations (Scopus)
  • Direction of arrival estimation using robust complex Lasso

    Ollila, E., 31 May 2016, 2016 10th European Conference on Antennas and Propagation, EuCAP 2016. IEEE, 7481141. (Proceedings of the European Conference on Antennas and Propagation).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    8 Citations (Scopus)
  • Single-snapshot DoA estimation using adaptive elastic net in the complex domain

    Tabassum, M. N. & Ollila, E., 15 Nov 2016, 4th International Workshop on Compressed Sensing Theory and its Applications to Radar, Sonar and Remote Sensing, CoSeRa 2016. IEEE, p. 197-201 5 p. 7745728

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    3 Citations (Scopus)
  • 2015

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

    Ollila, E., 2015, 3rd International Workshop on on Compressed Sensing Theory and its Applications to Radar, Sonar and Remote Sensing (CoSeRa'15), Pisa, Italy, June 16-19, 2015. p. 26-30

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    18 Citations (Scopus)
  • New robust LASSO method based on ranks

    Kim, H-J., Ollila, E. & Koivunen, V., 2015, 23rd European Signal Processing Conference (EUSIPCO'15), Nice, France, Aug 31-Sep 4, 2015. p. 704-708

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    5 Citations (Scopus)
  • Nonparametric Simultaneous Sparse Recovery: an Application to Source Localization

    Ollila, E., 2015, 23rd European Signal Processing Conference (EUSIPCO'15), Nice, France, Aug 31- Sep 4, 2015. p. 509-513

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    4 Citations (Scopus)
  • Randomized Simultaneous Orthogonal Matching Pursuit

    Ejaz, A., Ollila, E. & Koivunen, V., 2015, 23rd European Signal Processing Conference (EUSIPCO'15), Nice, France, Aug 31- Sep 4, 2015. p. 709-713

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    2 Citations (Scopus)
  • 2014

    FAST AND ROBUST BOOTSTRAP IN ANALYSING LARGE MULTIVARIATE DATASETS

    Basiri, S., Ollila, E. & Koivunen, V., 2014, CONFERENCE RECORD OF THE 2014 FORTY-EIGHTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS. Matthews, M. B. (ed.). IEEE Computer Society, p. 8-13 6 p. (Conference Record of the Asilomar Conference on Signals Systems and Computers).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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

    Basiri, S., Ollila, E. & Koivunen, V., 2014, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP'14), Florence, Italy, May 4-9, 2014. p. 6-10

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    5 Citations (Scopus)
  • Robust iterative hard thresholding for compressed sensing

    Ollila, E., Kim, H-J. & Koivunen, V., 2014, International Symposium on Communications, Control, and Signal Processing (ISCCSP'14), Athens, Greece, May 21-23, 2014. p. 226-229

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    14 Citations (Scopus)
  • Robust iteratively reweighted LASSO estimation for sparse tensor factorizations

    Kim, H-J., Ollila, E., Koivunen, V. & Poor, H. V., 2014, IEEE Workshop on Statistical Signal Processing (SSP'14), Cold Coast, Australia, June 29 - July 2, 2014. p. 452-455

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  • 2013

    Robust and sparse estimation of tensor decompositions

    Kim, H-J., Ollila, E., Koivunen, V. & Croux, C., 2013, IEEE Global Conference on Signal and Information Processing; Austin, USA; December 3 - 5, 2013. p. 965

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    5 Citations (Scopus)
  • Robust regularized M-estimators of regression parameters and covariance matrix

    Ollila, E., Kim, H-J. & Koivunen, V., 2013, nternational Workshop on Advances in Regularization, Optimization, Kernel Methods and Support Vector Machines; Leuven, Belgium; July 8-10, 2013. p. 67-68

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  • Sparse regularization of tensor decompositions

    Kim, H-J., Ollila, E. & Koivunen, V., 2013, IEEE International Conference on Acoustics, Speech and Signal Processing; Vancouver, Canada; May 26 - 31, 2013. p. 3836-3840

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    5 Citations (Scopus)
  • 2012

    Distribution-free detection under complex elliptically symmetric clutter distribution

    Ollila, E. & Tyler, D. E., 2012, SAM The 7th IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM'12), Hoboken, NJ, USA , June 17-20, 2012.. p. 413

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    23 Citations (Scopus)
  • Robust Greedy Algorithms for Compressed Sensing

    Razavi, S. A., Ollila, E. & Koivunen, V., 2012, EUSIPCO The 20th European Signal Processing Conference (EUSIPCO'12), Bucharest, Romania, Aug 28-31, 2012. p. 969-973

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    23 Citations (Scopus)
  • 2011

    A robust estimator and detector of circularity of complex signals

    Ollila, E., Koivunen, V. & Poor, H. V., 2011, ICASSP IEEE International Conference on Acoustics, Speech and Signal Processing(ICASSP'11), Prague, Czech republic, May 22 - 27, 2011.. p. 3620

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    8 Citations (Scopus)
  • Complex-valued signal processing - essential models, tools and statistics

    Ollila, E., Koivunen, V. & Poor, H. V., 2011, 2011 Information Theory and Applications Workshop, San Diego, CA, USA, Feb 6 - 11, 2011..

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    9 Citations (Scopus)
  • Deflation-based FastICA reloaded

    Nordhausen, K., Ilmonen, P., Mandal, A., Oja, H. & Ollila, E., 2011, EUSIPCO 19th European Signal Processing Conference (EUSIPCO'11), Barcelona, Spain, Aug 29 - Sep 2, 2011. p. 1854

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    18 Citations (Scopus)
  • On testing hypotheses of mixing vectors in the ICA model using FastICA

    Ollila, E. & Kim, H-J., 2011, IEEE International Symposium on Biomedical Imaging (ISBI'11), Chicago, USA, Mar. 30 - Apr. 2, 2011. p. 325

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    6 Citations (Scopus)
  • On the performance indices of ICA and blind source separation

    Nordhausen, K., Ollila, E. & Oja, H., 2011, SPAWC 12th IEEE International Workshop on Signal Processing Advances for Wireless Communications (SPAWC'11), San Fransisco, CA, June 26-29, 2011. p. 486-490

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    23 Citations (Scopus)
  • 2009

    On the robustness of the deflation-based FastICA estimator

    Ollila, E., 2009, IEEE Statistical Signal Processing Workshop, SSP, Cardiff, UK, August 31 - September 3, 2009. p. 673-676

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    8 Citations (Scopus)
  • Statistics for complex randon variables revisited

    Eriksson, J., Ollila, E. & Koivunen, V., 2009, IEEE International Conference on Acoustics, Speech, and Signal Processing, Taipei Taiwan, April 19-24,2009.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    19 Citations (Scopus)
  • 2008

    On the Cramer-Rao bound for the constrained and unconstrained complex parameters

    Ollila, E., Koivunen, V. & Eriksson, J., 2008, The Fifth IEEE Sensor Array and Multichannel Signal Processing Workshop, SAM 2008, Dramstadt, Germany, July 21-22, 2008. p. 414-418

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  • 2007

    Robust ICA based on two scatter matrices

    Nordhausen, K., Oja, H. & Ollila, E., 2007, 8th International Conference on Computer Data Analysis and Modeling (CDAM'07), Minsk, Belarus, Sept. 11-15, 2007. p. 84-91

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  • 2005

    Cramér-Rao Bound for Angular Propagation Parameter Estimation in MIMO Systems

    Ribeiro, C., Ollila, E. & Koivunen, V., 2005, Thirty-Eight Asilomar Conference on Signals, Systems & Computers, CA USA,November 7-10 2004. p. 1785-1789

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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

    Ribeirio, C., Ollila, E. & Koivunen, V., 2005, 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing ICASSP 2005, Philadelphia, PA, USA, March 18-23.2005. p. 885-888

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    17 Citations (Scopus)
  • 2004

    Generalized Complex Elliptical Distributions

    Ollila, E. & Koivunen, V., 2004, IEEE 3rd Sensor Array and Multichannel Signal Processing Workshop, SAM´04, Sitges Spain, 18-21 July 2004.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    38 Citations (Scopus)
  • Stochastic maximum likelihood method for propagation parameter estimation

    Ribeiro, C., Ollila, E. & Koivunen, V., 2004, 2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications PIMRC2004, Baarcelona Spain, 5-8 September 2004.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    16 Citations (Scopus)
  • Unitary invariant random Hermitian matrices and complex elliptical distributions

    Ollila, E., 2004, The thirteent international workshop on matrices and statistics, IWMS´04, Bedlewo Poland, 18-21 August 2004.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  • 2003

    Influence functions for array covariance matrix estimators

    Ollila, E. & Koivunen, V., 2003, IEEE Workshop on Statistical Signal Processing SSP´03, St.Louis USA, Sept.28- Oct.1.2003. p. 445-448

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    30 Citations (Scopus)
  • Robust Antenna Array Processing Using M-estimators of Pseudo-Covariance

    Ollila, E. & Koivunen, V., 2003, The 14th IEEE2003 International Symposium on Personal, Indoor and Mobile Radio Communications PIMRC2003, Beijing China, September 7-10.2003. p. 2659-2663

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    58 Citations (Scopus)
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