Lars Kai Hansen
Department of
DK-2800 Lyngby,
email: lkhansen@imm.dtu.dk
http://www.imm.dtu.dk/~lkh
Independent Component Analysis (ICA) is a new signal processing research field
for unsupervised learning of independent effects in
multivariate signals.
There
are a number of comprehensive Web presentations of
(See
eg.:
Terry Sejnowskis
/ Te-Won Lee's page)
I
first became interested in
during a
The ISP-group’s
and in
text-analysis. We offer two Matlab toolboxes
·
‘lyngby’ for neuroimaging (with
·
DTU:Toolbox (Infomax, dynamic
decorrelation, ‘mean field
(Note: You can access many of the pdf/ps files
through the publication pages or
via citeseer):
F. Calamante, M. Mørup, L. K.
Hansen:
Defining a Local Arterial Input Function for Perfusion
MRI
Using Independent Component Analysis.
Accepted
Magnetic Resonance in Medicine (2004).
M. McKeown, L.K. Hansen, and T.J. Sejnowski:
Independent Component Analysis for fMRI: What is
Signal and What is Noise?
Current Opinion in
Neurobiology 13(5): 620-629 (2003).
Pedro A.d.F.R. Højen-Sørensen, Ole Winther
and Lars Kai Hansen
Mean Field Approaches to Independent Component Analysis
Neural Computation 14:889-918
(2002).
P.A.d.F.R. Højen-Sørensen, O. Winther and L. K. Hansen
Analysis of Functional Neuroimages Using
Neurocomputing
49: 213-225
(2002).
N. Lange, S.C.
Strother, J.R. Anderson, F.Å. Nielsen, A.P. Holmes, T. Kolenda, R. Savoy, L.K. Hansen:
Plurality and Resemblance in fMRI Data Analysis.
NeuroImage, 10(3): 282-303 (1999)
L.K. Hansen, J. Larsen and T. Kolenda
On Independent Component Analysis for Multimedia Signals
in L. Guan, S.Y. Kung and J. Larsen (eds.) Multimedia Image and Video
Processing, CRC Press, Ch. 7, pp. 175-199, 2000.
T. Kolenda, L. K.
Hansen, S. Sigurdsson
Independent Components in Text
M. Girolami (ed.) Advances in Independent Component
Analysis, Springer-Verlag, 2000.
Olsson R. K., Hansen L. K.,
A harmonic
excitation state-space approach to blind separation of speech.
Advances in Neural Information Processing Systems
2004. [pdf]
Olsson R. K., Hansen L. K.,
Probabilistic blind deconvolution of non-stationary sources.
European signal processing conference 2004 [pdf]
Olsson R. K., Hansen L. K.,
Estimating the
number of sources in a noisy convolutive mixture
using BIC.
International conference on independent component analysis 2004 [pdf]
Dyrholm,
M., Hansen, L. K., Wang, L., Arendt-Nielsen, L.,
Chen, A. C.,
Convolutive
10th annual meeting of the organization for human brain mapping, 2004 (abstract)
[pdf]
Dyrholm,
M., Hansen, L. K.,
CICAAR: Convolutive
To appear at the 5th International Conference
on Independent Component Analysis
and Blind Signal Separation,
Michael Syskind
Pedersen, Lars Kai Hansen, Ulrik Kjems and Karsten Bo
Rasmussen,
Semi-blind Source Separation Using Head-Related Transfer Functions,
ICASSP2004, vol. V, pp. 713-716, 2004 [pdf]
V. D. Calhourn,
T. Adali, L.K. Hansen, J. Larsen and J.J. Pekar:
ICA of Functional
MRI Data: An Overview,
Fourth International Symposium on Independent Component Analysis and
Blind
Source Separation,
Nara, Japan, April 1-4, pp.
281-288, 2003 [pdf]
J. Larsen, L.K. Hansen, T. Kolenda and F.A. Nielsen:
Independent Component Analysis in Multimedia Modeling,
Fourth International Symposium on Independent Component Analysis and
Blind
Source Separation,
Nara, Japan, April 1-4, pp.
687-696, 2003. [pdf]
Hansen, L. K., Dyrholm, M.,
A
prediction matrix approach to convolutive ICA,
Proceedings of IEEE Workshop on Neural Networks for Signal Processing
XIII Toulouse, France,
Lars Kai Hansen and Kaare Brandt Petersen,
Monaural separetion of White Noise Mixtures is Hard,
Conference Proceedings of ICA2003, Nara,
Japan.
T. Kolenda, L.K.
Hansen, J. Larsen and O. Winther
Independent Component Analysis for Understanding Multimedia Content
in H. Bourlard, T. Adali,
S. Bengio, J. Larsen, and S. Douglas (eds.)
Proceedings of IEEE Workshop on Neural Networks
for Signal Processing XII
Matigny,
P.A.d.F.R. Højen-Sørensen, L. K. Hansen
and O. Winther
Mean Field Implementation of Bayesian
In proceedings of 3rd International Conference
on Independent Component
Analysis and Blind Signal Separation (ICA2001),
Institute of Neural Computation (2001).
T. Kolenda, L.K.
Hansen and J. Larsen
Signal Detection using ICA: Application to Chat Room Topic Spotting
in proceedings of ICA'2001, San Diego, USA, December 9-13, 2001, pp. 540-545.
L.K. Hansen, J. Larsen, T. Kolenda
Blind Detection of Independent Dynamic Components
in Proceddings IEEE ICASSP'2001, Salt
Lake City, Utah, USA, vol. 5, pp. 3197--3200, 2001.
L.K. Hansen, S. Sigurdsson,
T. Kolenda, F.Å. Nielsen, U. Kjems and J. Larsen
Modeling Text with Generalizable Gaussian Mixtures
in proceedings of IEEE ICASSP'2000, Istanbul, Turkey, June 5-9, 2000,
vol. VI, pp. 3494-3497.
K.S. Petersen, L.K. Hansen, T. Kolenda, and E. Rostrup
in proceedings of ICA'2000,
L.K. Hansen & J. Larsen
Source Separation in Short Image Sequences using Delayed Correlation
in Proceedings of NORSIG'98,
ISBN-87-985750-8-2, June 1998.