A/ Papers in
international scientific journals with peer review practise
|
A18
|
On testing the extent of noncircularity
Mike Novey, Esa Ollila & Tulay Adali
IEEE Trans. on signal processing,
vol. 59, no. 11, pp. 5632 - 5637, 2011.
|
A17
|
Complex elliptically
symmetric random variables -- generation, characterization and
circularity tests
Esa Ollila, Jan Eriksson & Visa Koivunen
IEEE Trans. on signal processing,
vol. 59, no.1, pp. 58 - 69, 2011.
|
A16
|
Essential statistics
and tools for complex random variables
Jan
Eriksson, Esa Ollila & Visa Koivunen
IEEE Trans. on signal processing, vol.
58, no. 10, pp. 5400 - 5408, 2010
|
A15
|
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 Silven.
NeuroImage, vol.
56, no. 2, pp. 554-569, 2011
|
A14
|
The deflation-based
FastICA estimator: statistical analysis revisited
Esa Ollila
IEEE Transactions on Signal Processing, vol.
58, no. 3, pp. 1527-1541, 2010
|
A13
|
On
the circularity of a complex random variable
Esa Ollila
IEEE Signal Processing Letters, vol. 15, pp. 841-844, 2008.
|
A12
|
Complex-valued
ICA using generalized uncorrelating transformation
Esa
Ollila & Visa Koivunen
Signal Processing, vol. 89, no. 4, pp 365-377, 2009.
|
A11
|
Robust
independent component analysis based on two scatter matrices
Klaus Nordhausen, Hannu Oja & Esa Ollila
Austrian Journal of Statistics, vol. 37, no.
1, pp. 91-100, 2008.
|
A10
|
Influence
function
and asymptotic efficiency of scatter matrix based array processors:
Case
MVDR beamformer
Esa
Ollila & Visa Koivunen
IEEE Transactions on Signal Processing, vol. 57,
no. 1, pp. 247-259, 2009.
|
A9
|
Compact
Cramer-Rao bound expression for independent component analysis
Esa
Ollila, Hyon-Jung Kim & Visa
Koivunen
IEEE Transactions on Signal Processing, vol. 56,
no. 4, pp. 1421-1428, 2008.
|
A8
|
Complex-valued ICA
based on a pair of generalized covariance matrices
Esa Ollila, Hannu Oja & Visa Koivunen
Computational Statistics and Data Analysis,
vol. 52, no. 7, pp. 3789-3805, 2008.
|
A7
|
Stochastic
maximum-likelihood method for MIMO propagation parameter estimation
Cassio Ribeiro, Esa Ollila & Visa Koivunen
IEEE Transactions on Signal Processing, vol.
55, no. 1, pp. 46 - 55, 2007.
|
A6
|
Influence
functions and efficiencies of the canonical correlation and vector
estimates based on
scatter and shape matrices
Sara Taskinen, Christophe Croux, Annaliisa Kankainen, Esa Ollila &
Hannu Oja
Journal of Multivariate Analysis, vol. 97, no.
2, pp. 359 - 384, 2006.
|
A5
|
Influence
function and asymptotic efficiency of the affine equivariant rank
covariance matrix
Esa
Ollila, Christophe Croux & Hannu Oja
Statistica Sinica, vol. 14, no. 1, pp. 297 -
316, 2004.
|
A4
|
Estimates
of regression coefficients based on lift rank covariance matrix
Esa
Ollila, Hannu Oja & Visa Koivunen
Journal of the American Statistical Association,
vol. 99, no. 461, pp. 90 - 98, 2003.
SOFTWARE
|
| A3 |
Affine
equivariant multivariate rank methods
Samuli Visuri, Esa
Ollila, Visa Koivunen, Jyrki Möttönen
& Hannu Oja
Journal of Statistical Planning and Inference,
vol. 114, pp. 161 - 185, 2003.
|
A2
|
The affine
equivariant sign covariance matrix: asymptotic behavior and efficiencies
Esa
Ollila, Hannu Oja & Christophe
Croux
Journal of Multivariate Analysis, vol. 87, no. 2,
pp. 328 - 355, 2003.
|
A1
|
Estimates
of regression coefficients based on sign covariance matrix
Esa Ollila, Thomas P. Hettmansperger & Hannu Oja
Journal of the Royal Statistical Society, Ser. B,
vol. 64, no. 3, pp. 447 - 466, 2002.
|
|
B/ Chapters in
books with a referee practice
|
B5
|
Multivariate models and the first four
moments (15 pages)
Klaus Nordhausen, Hannu Oja &
Esa Ollila
Nonparametric
Statistics and Mixture Models: A Festschrift in Honor of Thomas
P.
Hettmansperger, Eds. D. Hunter, D. Richards, J. L. Rosenberger, pp.
267-287,
World Scientific, January 2011.
|
B4
|
Robust
estimation techniques for complex-valued random vectors
Esa Ollila & Visa Koivunen
Adaptive
Signal Processing: Next Generation Solutions, Eds. T. Adali
& S. Haykin, Wiley, pp. 89-141 (chapter 2), March 2010.
|
| B3 |
Direction-of-arrival
estimation under uncertainty
Visa Koivunen & Esa Ollila
Advances
in Direction-of-Arrival Estimation, Ed. S. Chandran, Boston:
Artech house, pp. 241-256, 2006.
|
B2
|
Robust ML-estimation
of the transmitter location
Esa
Ollila & Visa Koivunen
Theory
and Applications of Recent Robust Methods, Eds. M. Hubert, G.
Pison, A. Struyf & S. Van Aelst, Series: Statistics for
Industry and Technology, Basel: Birkhäuser, pp. 247 - 258, 2004.
|
B1
|
Sign and rank
covariance matrices: statistical properties and application to
principal components analysis
Christophe Croux, Esa Ollila & Hannu Oja
Statistical
Data Analysis Based on the L_1-norm and Related Methods, Ed. Y.
Dodge, Basel: Birkhäuser, pp. 257 - 271, 2002.
|
|
C/ Refereed
international conference publications
|
C19
|
Distribution-free detection under complex
elliptically symmetric clutter distribution
Esa Ollila & David E. Tyler
The 7th IEEE Sensor Array
and Multichannel Signal Processing Workshop (SAM'12), Hoboken, NJ, USA , June 17-20,
2012.
|
C18
|
Deflation-based
FastICA reloaded
Klaus Nordhausen, Pauliina Ilmonen, Abhijit Mandal, Hannu Oja & Esa
Ollila
19th European Signal
Processing Conference (EUSIPCO'11), pp. 1854 - 1858, Barcelona,
Spain, Aug 29 - Sep 2, 2011.
|
C17
|
On the performance
indices of ICA and blind source separation
Klaus Nordhausen, Esa Ollila & Hannu Oja
12th IEEE Int. Workshop on Signal
Processing Advances for Wireless Communications (SPAWC'11),
pp. 461 - 465, San Fransisco, CA, June 26-29, 2011.
|
C16
|
A robust estimator and detector of
circularity of complex signals
Esa Ollila, Visa Koivunen & H. Vincent Poor
IEEE International
Conference on Acoustics, Speech and Signal Processing
(ICASSP'11),
pp. 3620 - 3623, Prague, Czech republic, May 22 - 27, 2011.
|
C15
|
On testing hypotheses of mixing vectors in
the ICA model using FastICA
Esa Ollila &
Hyon-Jung Kim
IEEE International Symposium on Biomedical Imaging (ISBI'11),
pp. 325 - 328, Chicago, USA, Mar. 30 - Apr. 2, 2011.
|
C14
|
Complex-valued signal processing -
essential models,
tools and statistics
Esa Ollila, Visa Koivunen & H. Vincent Poor
2011 Information Theory
and Applications Workshop, San Diego, CA, USA, Feb
6 - 11, 2011.
|
C13
|
A new
performance
index for ICA: properties, computation and asymptotic analysis
Pauliina Ilmonen, Klaus Nordhausen, Hannu Oja & Esa Ollila
In Vigneron, V., Zarzoso, V., Moreau,
E., Gribonval, R. and Vincent, E. (editors) ,
Latent Variable Analysis
and Signal Separation, pp. 229-236, Springer, Heidelberg,
2010.
|
C12
|
On the robustness of
the deflation-based FastICA estimator
Esa Ollila
IEEE
Workshop on Statistical Signal Processing (SSP'09), pp.
673–676, Cardiff, Wales UK, Aug. 31 - Sept. 3, 2009
|
C11
|
Adjusting the
generalized likelihood ratio test of circularity robust to non-normality
Esa Ollila & Visa Koivunen
10th IEEE Int.
Workshop on Signal Processing Advances for Wireless Communications (SPAWC'09),
pp. 558 -- 562, Perugia, Italy, June 21-24, 2009.
SOFTWARE
|
C10
|
Statistics for complex random variables
revisited
Jan
Eriksson, Esa Ollila & Visa Koivunen
IEEE Int. Conf. Acoustics,
Speech and Signal Processing (ICASSP'09), pp. 3565 --
3568, Taipei, Taiwan, April 19-24, 2009.
|
C9
|
On the Cramer-Rao
bound for the constrained and unconstrained complex parameters
Esa
Ollila, Visa Koivunen & Jan Eriksson
IEEE Sensor Array and Multichannel Signal Processing
Workshop (SAM'08) , pp. 414 -- 418, Darmstadt, Germany,
July 21-23, 2008.
|
| C8 |
Robust ICA based on
two scatter matrices
Klaus Nordhausen, Hannu Oja & Esa Ollila
8th Int. Conference on Computer Data Analysis and
Modeling (CDAM'07), pp. 84 - 91, Minsk, Belarus, Sept. 11-15, 2007.
|
| C7 |
Propagation
parameter estimation in MIMO systems using mixture of angular
distributions model
Cassio Ribeiro, Esa Ollila & Visa Koivunen
IEEE Int. Conf. on Acoustics, Speech, and Signal
Processing (ICASSP'05), vol. 4, pp. 885 -- 888, Philadelphia,
USA, March 18-23, 2005.
|
C6
|
Generalized
complex elliptical distributions
Esa
Ollila & Visa Koivunen
3rd IEEE Sensor Array and Multichannel Signal Processing
Workshop (SAM'04), pp. 460 -- 464, Sitges, Spain, July 18-21,
2004.
SOFTWARE
|
| C5 |
Cramer-Rao
bound for angular propagation parameter estimation in MIMO systems
Cassio Ribeiro, Esa Ollila & Visa Koivunen
38th Asilomar Conference on Signals, Systems, and
Computers, vol. 2, pp. 1785 --1789, Pacific Grove, USA,
Nov. 7-10, 2004.
|
| C4 |
Stochastic
maximum likelihood method for propagation parameter estimation
Cassio Ribeiro, Esa Ollila & Visa
Koivunen
15th IEEE Int. Symp. Personal, Indoor and Mobile Radio
Communications (PIMRC'04), vol. 3, pp. 1839 --1843,
Barcelona, Spain, Sept. 5-8, 2004.
|
| C3 |
Robust
space-time scatter matrix estimator for broadband antenna arrays
Esa
Ollila & Visa Koivunen
58th IEEE Vehicular Technology Conference (VTC
2003-Fall), vol. 1, pp. 55 -- 59, Orlando, USA, Oct. 6-9, 2003.
|
C2
|
Influence
functions for array covariance matrix estimators
Esa
Ollila & Visa Koivunen
IEEE Workshop on Statistical Signal Processing
(SSP'03), pp. 445 -- 448, St. Louis, USA, Sept. 28- Oct. 1,
2003.
|
C1
|
Robust
antenna array processing using M-estimators of pseudo-covariance
Esa
Ollila & Visa Koivunen
14th IEEE Int. Symp. Personal, Indoor and Mobile Radio
Communications (PIMRC'03), vol. 3, pp. 2659 -- 2663, Beijing,
China, Sept. 7-10, 2003.
|
|
|
Independent
component (IC) functionals and a new performance index
Pauliina Ilmonen, Klaus Nordhausen,
Hannu Oja & Esa Ollila
|
E1
|
Matlab package for complex
M-estimators of scatter
here
you can find the Matlab programs to compute the complex M-estimators of
scatter introduced in Publication C1. Complex M-estimators of
scatter can be used e.g. in constructing robust array processors.
|
E2
|
Matlab package for GLRT and the
adjusted
GLRT of circularity
Here you can
find the Matlab programs to compute circularity detectors introduced in
Publications C6 and C11.
|
E3
|
Matlab package for CES distribution
and related circularity detectors
Here you can find the
Matlab programs to generate random variables from CES distribution and
compute circularity detectors introduced in Publication A17
|
E4
|
C and R progams
for computation of Oja lift ranks, rank covariance matrix and
regression estimates
Here are the programs and the
method is explained in Publication A4.
|
Feb 10
2011
|
``Complex-valued
Signal Processing - essential models, tools and statistics'',
ITA'11, USA: San Diego, 2011.
|
Nov. 29
2010
|
``On testing
hypotheses of mixing matrix and mixing vectors in the ICA model'',
University of Maryland, Nov 29, 2010.
|
Sept.
3
2009
|
``On the robustness of
deflation-based FastICA estimator", IEEE Workshop on Statistical Signal
Processing (SSP'09), Wales: Cardiff, Aug. 31- Sept. 3, 2009
|
May 23
2008
|
``Nonparametric
Tests of
Circularity of Complex-Valued Random Vectors", Nonparametric
statistics and mixture models: past, present, and future, USA: Penn
State University, May 23-24, 2008.
|
Feb 4
2008 |
``Riippumattomien komponenttien analyysi", University of Oulu,
Department of
Mathematical Sciences (dosenttiluento)
|
Dec 18
2007 |
``Generalized Uncorrelating
Transformations with Applications in ICA and Wireless Communications", Mini-Workshop on Robust Statistics,
Catholic University of Leuven, Belgium.
|
Jun 2
2007 |
``ICA of non-circular sources based on
generalized uncorrelating transformation'', 16th International Workshop on Matrices
and Statistics (IWMS'07), Canada: Windsor, Jun 1-3, 2007.
|
Jul 18
2006 |
``Robust complex independent component
analysis'', International Conference
on Robust Statistics (ICORS'06), Portugal: Lisbon, 16-21
July 2006. |
|
esa DOT ollila
AT oulu DOT fi 