Some Selected Publications
[A BibTex file citing these works is here.]

Sparse Inverse Problems and Basis Selection

A General Framework for Component Estimation.
J. A. Palmer and K. Kreutz-Delgado. 4th International Symposium on Independent Component Analysis and Blind Signal Separation (ICA2003). Nara, Japan. April 1-4, 2003. [Palmer2003.pdf]

Dictionary Learning Algorithms for Sparse Representation
K. Kreutz-Delgado, J. F. Murray, B. D. Rao, K. E.,T.-W. Lee and T. J. Sejnowski. Neural Computation, vol. 15, no. 2. February 2003, pp. 349-396. [Kreutz2003.pdf]

Subset Selection in Noise Based on Diversity Measure Minimization
B. D. Rao, K. Engan, S. F. Cotter, J. Palmer and K. Kreutz-Delgado. IEEE Transactions on Signal Processing, vol. 51, no. 3. March 2003, pp. 760-770. [Rao2003.pdf]

A Globally Convergent Algorithm for MAP Estimation in the Linear Model with Non-Gaussian Priors.
J. A. Palmer and K. Kreutz-Delgado. Conference Record of the 36rd Asilomar Conference on Signals, Systems and Computers (IEEE). November 2002. [Palmer2002.pdf]

Efficient Backward Elimination Algorithm for Sparse Signal Representation Using Overcomplete Dictionaries.
S. F. Cotter, K. Kreutz-Delgado and B. D. Rao. IEEE Signal Processing Letters, vol. 9, no. 5. May 2002, pp. 145-147. [Cotter2002.pdf]

An Improved FOCUSS-Based Learning Algorithm for Solving Sparse Linear Inverse Problems.
J. F. Murray and K. Kreutz-Delgado. Conference Record of the 35rd Asilomar Conference on Signals, Systems and Computers (IEEE). November 2001. [Murray2001b.pdf]

FOCUSS-Based Dictionary Learning Algorithms.
Kreutz-Delgado, K.; Rao, B.D. Proceedings of the SPIE Volume 4119: Wavelet Applications in Signal and Image Processing VIII, vol. 4119-53, July-August, 2000. [Kreutz2000.pdf]

Regularized FOCUSS for subset selection in noise.
Engan, K.; Rao, B.D.; Kreutz-Delgado, K. NORSIG2000. Nordic Signal Processing Symposium, (Vildmarkshotellet Kolmarden, Sweden, 13-15 June 2000.) Linkoping, Sweden: Linkoping Univ, 2000. p.247-50. [Engan2000b.pdf]

Frame design using FOCUSS with method of optimal directions (MOD).
Engan, K.; Rao, B.D.; Kreutz-Delgado, K. NORSIG-99. Norwegian Signal Processing Symposium, (Asker, Norway, 9-11 Sept. 1999.) Tronheim, Norway: NORSIG, 1999. p.65-9. [Engan1999.pdf]

Novel algorithms for learning overcomplete dictionaries.
Kreutz-Delgado, K.; Rao, B.D.; Engan, K. Conference Record of the Thirty-Third Asilomar Conference on Signals, Systems, and Computers (vol.2), (Pacific Grove, CA, USA, 24-27 Oct. 1999.) Piscataway, NJ, USA: IEEE, 1999. p.971-5 vol.2. [Kreutz1999.pdf]

Convex/Schur-Convex (CSC) Log-Priors and Sparse Coding
Kreutz-Delgado K.; Rao B. D.; Engan K.; Lee T.-W.; Sejnowski T. J.. Proc. 6th Joint Symposium on Neural Computation. Caltech, Pasadena, California. May 1999. [Kreutz1999c.pdf]

Learning Overcomplete Dictionaries: Convex/Schur-Convex (CSC) Log-Priors, Factorial Codes and Independent/Dependent Component Analysis
Kreutz-Delgado K.; Rao B. D.; Engan K.; Lee T.-W.; Sejnowski T. J.. Proc. 6th Joint Symposium on Neural Computation. Caltech, Pasadena, California. May 1999. [Kreutz1999d.pdf]

Forward sequential algorithms for best basis selection.
Cotter, S.F.; Adler, R.; Rao, R.D.; Kreutz-Delgado, K. IEE Proceedings-Vision, Image and Signal Processing, vol.146, (no.5), IEE, Oct. 1999. p.235-44. [Cotter1999.pdf]

Sparse basis selection, ICA, and majorization: towards a unified perspective.
Kreutz-Delgado, K.; Rao, B.D. 1999 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings. ICASSP99 (Phoenix, AZ, USA, 15-19 March 1999.) p.1081-4 vol.2. [Kreutz1999b.pdf]

Application of concave/Schur-concave functions to the learning of overcomplete dictionaries and sparse representations.
Kreutz-Delgado, K.; Rao, B.D. Conference Record of Thirty-Second Asilomar Conference on Signals, Systems and Computers. IEEE, 1998. p.546-50 vol.1. [Kreutz1998.pdf]

Basis selection in the presence of noise.
Rao, B.D.; Kreutz-Delgado, K. Conference Record of Thirty-Second Asilomar Conference on Signals, Systems and Computers. IEEE, 1998. p.752-6 vol.1. [Rao1998.pdf]

An affine scaling methodology for best basis selection.
Rao, B.D.; Kreutz-Delgado, K. IEEE Transactions on Signal Processing, vol.47, (no.1), IEEE, Jan. 1999. p.187-200. [Rao1999.pdf]

Deriving algorithms for computing sparse solutions to linear inverse problems.
Rao, B.D.; Kreutz-Delgado, K. Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers. IEEE Comput. Soc, 1998. p.955-9 vol.1. [Rao1997.pdf]

Improving spectral resolution using basis selection.
Rao, B.D.; Kreutz-Delgado, K.; Dharanipragada, S. Ninth IEEE Signal Processing Workshop on Statistical Signal and Array Processing. IEEE, 1998. p.336-9. [Rao1998b.pdf]

Measures and algorithms for best basis selection.
Kreutz-Delgado, K.; Rao, B.D. Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '98. IEEE, 1998. p.1881-4 vol.3. [Kreutz1998b.pdf]

Comparison of basis selection methods.
Adler, J.; Rao, B.D.; Kreutz-Delgado, K. Conference Record of Thirtieth Asilomar Conference on Signals, Systems and Computers. IEEE Comput. Soc. Press, 1997. p.252-7 vol.1. [Adler1996.pdf]

Robotics and Control

Numerical solution of nonlinear H_2 and H_infin control problems with application to jet engine compressors.
Hardt, M.; Helton, J.W.; Kreutz-Delgado, K. IEEE Transactions on Control Systems Technology. vol 8, no. 1, Jan. 2000, p. 98-111. [Hardt2000.pdf]

Canonical parameterization of excess motor degrees of freedom with
self-organizing maps.
DeMers, D.; Kreutz-Delgado, K. IEEE Transactions on Neural Networks. vol 7, no. 1, Jan. 1996, p. 43-55. [DeMers1996.pdf]

Reports and Preprints

Recognizing Rotated and Occluded Shapes Using Cortronic Neural Networks and Biologically Motivated Feature Extractors.
Murray, J. F. UCSD ECE Department Technical Report. UCSD-CIE-99-8-1. August 1999. [Murray1999.pdf]

A General Approach to Sparse Basis Selection: Majorization, Concavity, and Affine Scaling.
Kreutz-Delgado, K.; Rao, B.D. UCSD ECE Department Technical Report, UCSD-CIE-97-7-1. July 15, 1997. [Kreutz1997.pdf]

Last update: March 28, 2003