Publications

2008

Youzuo Lin and Brendt Wohlberg, "Application of the UPRE Method to Optimal Parameter Selection for Large Scale Regularization Problems", in IEEE Southwest Symposium on Image Analysis and Interpretation, (Santa Fe, NM, USA), pp. 89--92, Mar 2008
Brendt Wohlberg and Chris Brislawn, "Symmetric Extension for Lifted Filter Banks and Obstructions to Reversible Implementation", Signal Processing, vol. 88, no. 1, doi:10.1016/j.sigpro.2007.07.010, pp. 131--145, Jan 2008

2007

Brendt Wohlberg and Paul Rodríguez, "An Iteratively Reweighted Norm Algorithm for Minimization of Total Variation Functionals", IEEE Signal Processing Letters, vol. 14, no. 12, doi:10.1109/LSP.2007.906221, pp. 948--951, Dec 2007
Daniel M. Tartakovsky, Brendt Wohlberg and Alberto Guadagnini, "Nearest neighbor classification for facies delineation", Water Resources Research, vol. 43, no. 7, W07201, doi:10.1029/2007WR005968, Jul 2007
Chris Brislawn and Brendt Wohlberg, "Gain Normalization of Lifted Filter Banks", Signal Processing, vol. 87, no. 6, doi:10.1016/j.sigpro.2006.11.006, pp. 1281--1287, Jun 2007
Brendt Wohlberg and Kevin Vixie, "Invariant Template Matching with Tangent Vectors", Optical Engineering, vol. 46, no. 3, pp. 037006, Mar 2007
Rick Chartrand, Kevin R. Vixie, Brendt Wohlberg and Erik M. Bollt, "A gradient descent solution to the Monge-Kantorovich problem", Submitted, 2007

2006

Thomas J. Asaki, Patrick R. Campbell, Rick Chartrand, Collin E. Powell, Kevin R. Vixie and Brendt Wohlberg, "Abel inversion using total variation regularization: Applications", Inverse Problems in Science and Engineering, vol. 14, no. 8, pp. 873--885, Dec 2006
Chris Brislawn and Brendt Wohlberg, "Symmetry-Preserving Lattice Vector Quantization for Reversible Half Sample Symmetric FIR Filter Bands", in Proceedings of the 2006 Asilomar Conference on Signals, Systems, and Computers, (Pacific Grove, CA, USA), pp. 878--882, Oct 2006
Paul Rodríguez and Brendt Wohlberg, "An Iteratively Weighted Norm Algorithm for Total Variation Regularization", in Proceedings of the 2006 Asilomar Conference on Signals, Systems, and Computers, (Pacific Grove, CA, USA), pp. 892--896, Oct 2006
Chris Brislawn and Brendt Wohlberg, "The polyphase-with-advance representation and linear phase lifting factorizations", IEEE Transactions on Signal Processing, vol. 54, no. 6 part 1, pp. 2022--2034, Jun 2006
Alberto Guadagnini, Brendt Wohlberg, Daniel M. Tartakovsky and Michela de Simoni, "Support Vector Machines for delineation of geologic facies from poorly differentiated sedimentological data", in XVI International Conference on Computational Methods in Water Resources (CMWR XVI), (Copenhagen, Denmark), Jun 2006
Brendt Wohlberg, Daniel M. Tartakovsky and Alberto Guadagnini, "Subsurface characterization with support vector machines", IEEE Transactions on Geoscience and Remote Sensing, vol. 44, no. 1, pp. 47--57, Jan 2006
J. A. Green, C. Alexander, T. Asaki, J. Bacon, G. Blanpied, K. Borozdin, A. Canabal-Rey, M. Cannon, R. Chartrand, D. Clark, C. Espinoza, E. Figueroa, A. Fraser, M. Galassi, J. Gomez, J. Gonzales, A. Green, N. Hengartner, G. Hogan, A. Klimenko, P. McGaughey, G. McGregor, J. Medina, C. Morris, K. Mosher, C. Orum, F. Pazuchanics, W. Priedhorsky, A. Sanchez, A. Saunders, R. Schirato, L. Schultz, M. Sossong, M. Sottile, J. Tenbrink, R. Van de Water, K. Vixie and B. Wohlberg, "Optimizing the tracking efficiency for cosmic ray muon tomography", in 2006 IEEE Nuclear Science Symposium Conference Record, 2006

2005

T. J. Asaki, R. Chartrand, K. R. Vixie and B. Wohlberg, "Abel inversion using total-variation regularization", Inverse Problems, vol. 21, no. 6, pp. 1895--1903, 2005

2004

Chris Brislawn and Brendt Wohlberg, "Lifted linear phase filter banks and the polyphase-with-advance representation", in Proceedings of the 11th IEEE Digital Signal Processing Workshop, (Taos, NM, USA), pp. 29--33, Aug 2004
D. M. Tartakovsky and B. E. Wohlberg, "Delineation of geologic facies with statistical learning theory", Geophys. Res. Lett., vol. 31, no. 18, L18502, doi:10.1029/2004GL020864, 2004
K. Borozdin, T. Asaki, R. Chartrand, N. Hengartner, G. Hogan, C. Morris, W. Priedhorsky, R. Schirato, L. Schultz, M. Sottile, K. Vixie, B. Wohlberg and G. Blanpied, "Information extraction from muon radiography data", in ISAS/CITSA 2004: International Conference on Cybernetics and Information Technologies, Systems and Applications and 10th International Conference on Information Systems Analysis and Synthesis, Vol 2, Proceedings: Communications, Information and Control Systems, Technologies and Applications, pp. 27--30, 2004

2003

Brendt Wohlberg, "Noise Sensitivity of Sparse Signal Representations: Reconstruction Error Bounds for the Inverse Problem", IEEE Transactions on Signal Processing, vol. 51, no. 12, doi:10.1109/TSP.2003.819006, pp. 3053--3060, Dec 2003
Andy Fraser, Nick Hengartner, Kevin Vixie and Brendt Wohlberg, "Classification modulo invariance, with application to face recognition", Journal of Computational and Graphical Statistics, vol. 12, no. 4, pp. 829--852, Dec 2003
Chris Brislawn, Brendt Wohlberg and Allon Percus, "Resolution scalability for arbitrary wavelet transforms in the JPEG-2000 standard", in Proceedings of Visual Communication and Image Processing (VCIP) 2003, (Lugano, Switzerland), pp. 774--784, Jul 2003
Brendt Wohlberg and Chris Brislawn, "Reversible integer-to-integer transforms and symmetric extension of even-length filter banks", in Proceedings of Visual Communication and Image Processing (VCIP) 2003, (Lugano, Switzerland), pp. 1709--1714, Jul 2003
Andy Fraser, Nick Hengartner, Kevin Vixie and Brendt Wohlberg, "Incorporating invariants in Mahalanobis distance based classifiers: Application to Face Recognition", in International Joint Conference on Neural Networks (IJCNN), (Portland, OR, USA), Jul 2003

2000

George Zweig and Brendt Wohlberg, "Application of a super-resolution Fast Fourier Transform to ISAR imaging and EXAFS crystal-structure determination", in Proceedings of the Tenth IEEE Workshop on Statistical Signal and Array Processing, (Pocono Manor, PA, USA), pp. 458--462, Aug 2000

1999

Brendt Wohlberg and Gerhard de Jager, "A review of the fractal image coding literature", IEEE Transactions on Image Processing, vol. 8, no. 12, pp. 1716--1729, Dec 1999
Brendt Wohlberg and Gerhard de Jager, "A Class of Multiresolution Stochastic Models Generating Self-Affine Images", IEEE Transactions on Signal Processing, vol. 47, no. 6, pp. 1739--1742, Jun 1999

1996

Brendt Wohlberg and Gerhard de Jager, "Fractal coding performance for first-order Gauss-Markov models", Electronics Letters, vol. 32, no. 5, pp. 441--442, Feb 1996
Brendt Wohlberg, Fractal Image Compression and the Self-Affinity Assumption: A Stochastic Signal Modelling Perspective, PhD thesis, University of Cape Town, 1996

1995

Brendt Wohlberg and Gerhard de Jager, "Fast image domain fractal compression by DCT domain block matching", Electronics Letters, vol. 31, no. 11, pp. 869--870, May 1995

1994

Brendt Wohlberg and Gerhard de Jager, "On the reduction of fractal image compression encoding time", in IEEE South African Symposium on Communications and Signal Processing (COMSIG '94), (Stellenbosch, South Africa), pp. 158--161, Oct 1994

1993

Brendt Wohlberg, Investigations in Sequence Matching Techniques Applied to On-line Signature Verification, MSc thesis, University of Cape Town, 1993

1992

Brendt Wohlberg and John R. Greene, "Automatic on-line signature verification using Dynamic Time-Warping", in Proceedings of the Third South African Workshop on Pattern Recognition, (Pretoria, South Africa), pp. 185--192, Nov 1992