[This page is no longer
being updated. Go to my
homepage for my current contact information or to my list of publications
to
download papers.  SCD]
Publications on Blind Source Separation, Deconvolution/Equalization,
and Subspace Analysis  Scott C. Douglas
Book Chapters

S.C. Douglas and S. Amari, ``Natural Gradient Adaptation,'' in Unsupervised
Adaptive Filtering, Vol. I: Blind Source Separation, S. Haykin,
ed. (New York: Wiley, 2000), pp. 1361.

S.C. Douglas and S. Haykin, ``Relationships Between Blind Deconvolution
and Blind Source Separation,'' in Unsupervised Adaptive Filtering, Vol
II: Blind Deconvolution,S. Haykin, ed. (New York: Wiley,
2000), pp. 113145.

S.C. Douglas, ````Adaptive Algorithms and Architectures for Blind Signal
Separation and Blind Deconvolution,'' to appear in The Neural Networks
for Signal Processing Handbook, Y.H. Hu and J.N. Hwang, eds. (Boca
Raton, FL: CRC/IEEE Press, 2001, to be published).
Technical Reports

S.C.
Douglas, A. Cichocki, and S. Amari, ``SelfWhitening Adaptive Equalization
and Deconvolution Algorithms,'' Technical Report No. EE99001, Dept. of
Electrical Engineering, Southern Methodist University, Dallas, TX, January
1999.(Postscript, 534K, 35 pages)

S. Amari, S.C. Douglas, and A. Cichocki, ``Multichannel Blind Deconvolution
and Source Separation with the Natural Gradient,'' Technical Report No.
EE99002, Dept. of Electrical Engineering, Southern Methodist University,
Dallas, TX, January 1999.

S.C.
Douglas, S. Amari, and S.Y. Kung, ``Gradient Adaptation With UnitNorm
Constraints,'' Technical Report No. EE99003, Dept. of Electrical Engineering,
Southern Methodist University, Dallas, TX, February 1999.(Postscript,
448K, 33 pages)
Journal Publications

S.C. Douglas,
A. Cichocki, and S. Amari, ``FastConvergence FilteredRegressor Algorithms
for Blind Equalisation,'' Electronics Letters, vol. 32, no. 23,
pp. 21142115, 7th November 1996.
(Postscript, 173K, 6 pages)

S.C.
Douglas and A. Cichocki, ``Neural Networks for Blind Decorrelation of Signals,''
IEEE
Trans. Signal Processing, vol. 45, no. 11, pp. 28292842, November
1997. (Postscript, 557K, 30 pages)

S.C. Douglas and A. Cichocki, ``OnLine Step Size Selection for Training
Adaptive Systems,'' IEEE Signal Processing Mag., vol. 14, no. 6, pp. 4546,
November 1997.

S.C.
Douglas, A. Cichocki, and S. Amari, ``A Bias Removal Technique for Blind
Source Separation with Noisy Measurements,'' Electronics Letters,
vol. 34, no. 14, pp. 13791380, July 1998.(Postscript, 141K, 6 pages)

A. Cichocki, S.C. Douglas, and S. Amari, ``Robust Techniques for Independent
Component Analysis (ICA) with Noisy Data,'' Neurocomputing, vol.
23, no. 13, pp. 113129, November 1998.

S.C.
Douglas, S.Y. Kung, and S. Amari, ``A SelfStabilized Minor Subspace Rule,''
IEEE Signal Processing Letters, vol. 5, no. 12, pp. 328330, December 1998.(Postscript,
161K, 6 pages)

S.C. Douglas,
A. Cichocki, and S. Amari, ``SelfWhitening Algorithms for Adaptive Equalization
and Deconvolution,'' IEEE Trans. Signal Processing, vol. 47,
no. 4, pp. 11611165, April 1999.(Postscript, 242K, 17 pages)

S.C.
Douglas, ``Equivariant Adaptive Selective Transmission,'' IEEE Trans.
Signal Processing, vol. 47, no. 5, pp. 12231231, May 1999.(Postscript,
292K, 24 pages)

S.C.
Douglas, S. Amari, and S.Y. Kung, ``On Gradient Adaptation With UnitNorm
Constraints,'' IEEE Trans. Signal Processing, to appear.(Postscript,
225K, 12 pages)

S.C.
Douglas, ``SelfStabilized Gradient Algorithms for Blind Source Separation
With Orthogonality Constraints,'' IEEE Trans. Neural Networks, to appear.(Postscript,
596K, 16 pages)

S.C.
Douglas and S.Y. Kung, ``Gradient Adaptive Algorithms for ContrastBased
Blind Deconvolution,'' International Journal of VLSI Signal Processing
Systems, to appear.(Postscript, 660K, 24 pages)

S. Amari, S.C. Douglas, and A. Cichocki, ``Multichannel Blind Deconvolution
and Source Separation Using the Natural Gradient,'' submitted to IEEE
Trans. Signal Processing, September 1997.
Conference Publications

S.C.
Douglas and A. Cichocki, ``Convergence Analysis of Local Algorithms for
Blind Decorrelation,'' presented at Neural Information Processing Systems
Conf., Workshop on Blind Signal Processing, Denver, CO, December 27,
1996.(Postscript, 514K, 23 pages)

S.
Amari, S.C. Douglas, A. Cichocki, and H.H. Yang, ``Multichannel Blind Deconvolution
and Equalization Using the Natural Gradient,'' Proc. IEEE Workshop on
Signal Processing Advances in Wireless Communications, Paris, France,
pp. 101104, April 1997.(Postscript, 248K, 4 pages)

S.C.
Douglas, A. Cichocki, and S. Amari, ``QuasiNewton FilteredRegressor Algorithms
for Adaptive Equalization and Deconvolution,'' Proc. IEEE Workshop on
Signal Processing Advances in Wireless Communications, Paris, France,
pp. 109112, April 1997.
(Postscript, 430K, 4 pages)

S.
Amari, S.C. Douglas, A. Cichocki, and H.H. Yang, ``Novel OnLine Adaptive
Learning Algorithms for Blind Deconvolution Using the Natural Gradient
Approach,'' Proc. 11th IFAC Symposium on System Identification,
Kitakyushu City, Japan, vol. 3, pp. 10571062, July 1997.
(Postscript,
274K, 6 pages)

S.C.
Douglas, A. Cichocki, and S. Amari, ``Multichannel Blind Separation and
Deconvolution of Sources with Arbitrary Distributions,'' Proc. IEEE
Workshop on Neural Networks for Signal Processing, Almelia Island Plantation,
FL, pp. 436445, September 1997. (Postscript, 782K, 10 pages)

S.C.
Douglas and S. Haykin, ``On the Relationship Between Blind Deconvolution
and Blind Source Separation,'' Proc. 31st Asilomar Conf. on Signals,
Systems, and Computers, Pacific Grove, CA, vol. 2, pp. 15911595, November
1997. (Postscript, 130K, 5 pages)

A. Cichocki, S.C. Douglas, S. Amari, and P. Mierzejewski, ``Independent
Component Analysis for Noisy Data,'' Proc. International Symposium on
Engineering of Intelligent Systems, Tenerife, Spain, pp. 5258, February
1998.

S.
Amari and S.C. Douglas, ``Why Natural Gradient,'' Proc. IEEE International
Conf. Acoust., Speech, Signal Processing, Seattle, WA, vol. II, pp.
12131216, May 1998.(Postscript, 238K, 4 pages)

S.C.
Douglas, ``Equivariant Algorithms for Selective Transmission,'' Proc.
IEEE International Conf. Acoust., Speech, Signal Processing, Seattle,
WA, vol. II, pp. 11331136, May 1998.(Postscript, 138K, 4 pages)

S. Amari, S.C. Douglas, and A. Cichocki, ``Information Geometry of Blind
Source Deconvolution,'' presented at Mathematical Theory of Networks
and Systems, Padova, Italy, July 1998.

S.C.
Douglas and S.Y. Kung, ``KuicNet Algorithms for Blind Deconvolution,''
Proc.
IEEE Workshop on Neural Networks for Signal Processing, Cambridge,
UK, pp. 312, August 1998.(Postscript, 154K, 10 pages)

S.C.
Douglas, S. Amari, and S.Y. Kung, ``Gradient Adaptation Under Unit Norm
Constraints,'' Proc. 9th IEEE Signal Processing Workshop on Statistical
Signal and Array Processing, Portland, OR, pp. 144147, September 1998.(Postscript,
159K, 4 pages)

H.
Pan, D. Xia, S.C. Douglas, and K.F. Smith, ``A Scalable VLSI Architecture
for Multichannel Blind Deconvolution and Source Separation,'' Proc.
IEEE Workshop on Signal Processing Systems, Boston, MA, pp. 297306,
October 1998.(Postscript, 1177K, 10 pages)

S.C.
Douglas and A. Cichocki, ``Adaptive Step Size Techniques for Decorrelation
and Blind Source Separation,'' Proc. 32nd Asilomar Conf. on Signals,
Systems, and Computers, Pacific Grove, CA, vol. 2, pp. 11911195, November
1998.(Postscript, 181K, 5 pages)

S.C.
Douglas and S.Y. Kung, ``Design of Estimation/Deflation Approaches to
Independent Component Analysis,'' Proc. 32nd Asilomar Conf. on Signals,
Systems, and Computers, Pacific Grove, CA, vol. 1, pp. 707711, November
1998.(Postscript, 194K, 5 pages)

M.
Rupp and S.C. Douglas, ``A Posteriori Analysis of Adaptive Blind Equalizers,''
Proc.
32nd Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove,
CA, vol. 1, pp. 369373, November 1998.(Postscript, 144K, 5 pages)

S.C.
Douglas, S.Y. Kung, and S. Amari, ``On the Numerical Stabilities of Principal,
Minor, and Independent Component Analysis Algorithms,'' Proc. IEEE International
Conference on Independent Component Analysis and Signal Separation,
Aussois, France, pp. 419425, January 1999.(Postscript, 203K, 6 pages)

S.C.
Douglas and S.Y. Kung, ``An OrderedRotation KuicNet Algorithm for Separating
ArbitrarilyDistributed Sources,'' Proc. IEEE International Conference
on Independent Component Analysis and Signal Separation, Aussois, France,
pp. 419425, January 1999.(Postscript, 163K, 6 pages)

S.C.
Douglas, S. Amari, and S.Y. Kung, ``Adaptive Paraunitary Filter Banks
for SpatioTemporal Principal and Minor Subspace Analysis,'' Proc. IEEE
International Conf. Acoust., Speech, Signal Processing, Phoenix, AZ,
vol. 2, pp. 10891092, March 1999.(Postscript, 150K, 4 pages)

S.C.
Douglas and S.Y. Kung, ``AllPass vs. UnitNorm Constraints in ContrastBased
Blind Deconvolution,'' Proc. IEEEWorkshop on Neural Networks for Signal
Processing, Madison, WI, August 1999.(Postscript, 364K, 10
pages)

S.C.
Douglas, ``Blind Source Separation: An Overview of DensityBased Methods,''
Proc.
International Workshop on Acoustic Echo and Noise Control, Pocono Manor,
PA, pp. 811, September 1999 (plenary paper).(Postscript, 484K,
4 pages)

X.
Sun and S.C. Douglas, ``Adaptive Time Delay Estimation With Allpass Constraints,''
presented at 33rd Annual Asilomar Conf. on Signals, Systems, and Computers,
Pacific Grove, CA, October 2427, 1999.(Postscript, 331K, 5 pages)

S.C.
Douglas, ``Prewhitened Blind Source Separation With Orthogonality Constraints,''
presented at 33rd Annual Asilomar Conf. on Signals, Systems, and Computers,
Pacific Grove, CA, October 2427, 1999.(Postscript, 341K, 5 pages)

S.C.
Douglas, ``NumericallyRobust Adaptive Subspace Tracking Using Householder
Transformations,''to be presented at First IEEE Sensor Array and Multichannel
Signal Processing Workshop, Boston, MA, March 1617, 2000.(Postscript,
340K, 5 pages)

S.C.
Douglas, ``NumericallyStable O(N^2) Algorithms for RLS Adaptive Filtering
Using LeastSquares Prewhitening,'' to be presented at
IEEE
International Conf. Acoust., Speech, Signal Processing,
Istanbul, Turkey, June 2000.(Postscript, 345K, 4 pages)

G.C.
Orsak and S.C. Douglas, ``CodeLengthBased Universal Extraction for Blind
Signal Separation,'' to be presented at IEEE International Conf. Acoust.,
Speech, Signal Processing, Istanbul, Turkey, June 2000.(Postscript,
3064K, 4 pages)

X.
Sun and S.C. Douglas, ``Phase Estimation Using Adaptive Allpass Filters,''
to be presented at IEEE International Conf. Acoust., Speech, Signal
Processing, Istanbul, Turkey, June 2000.(Postscript, 198K, 4 pages)