Publications per year
Publications per year
- 38 results
Search results
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2022
Iterative image reconstruction for CT with unmatched projection matrices using the generalized minimal residual algorithm
Sidky, E. Y., Hansen, P. C., Jørgensen, J. S. & Pan, X., 2022, Proceedings of the 7th International Conference on Image Formation in X-Ray Computed Tomography. SPIE, Vol. 12304. 7 p. 1230406Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Open AccessFile75 Downloads (Pure) -
Stopping Rules for Algebraic Iterative Reconstruction Methods in Computed Tomography
Hansen, P. C., Jørgensen, J. S. & Rasmussen, P. W., 2022, Proceedings of 21st International Conference on Computational Science and Its Applications (ICCSA). IEEE, p. 60-70 9732394Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Open AccessFile81 Downloads (Pure) -
2019
Reconstructing the fast-ion velocity distribution in the DIII-D tokamak during Alfvén eigenmode activity
Madsen, B., Salewski, M., Heidbrink, W. W., Stagner, L., Podestá, M., Lin, D., Garcia, A. V., Hansen, P. C. & Huang, J., 2019, Proceedings of 46th EPS Conference on Plasma Physics. Riconda, C., Brezinsek, S., McCarty, K., Burgess, D., Brault, P. & Farina, D. (eds.). European Physical Society, Vol. 43C. 4 p. P1.1026Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Open AccessFile96 Downloads (Pure) -
2017
User-friendly simultaneous tomographic reconstruction and segmentation with class priors
Kjer, H. M., Dong, Y. & Hansen, P. C., 2017, Proceedings of 6th International Conference on Scale Space and Variational Methods in Computer Vision. Springer, Vol. 10302. p. 260-270 (Lecture Notes in Computer Science, Vol. 10302).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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2016
A Spectral Geometrical Model for Compton Scatter Tomography Based on the SSS Approximation
Kazantsev, I. G., Olsen, U. L., Poulsen, H. F. & Hansen, P. C., 2016, Proceedings of the The 4th International Conference on Image Formation in X-Ray Computed Tomography. p. 577-580Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Open AccessFile277 Downloads (Pure) -
2015
Analysis of Electrically Large Antennas using Fast Physical Optics
Borries, O. P., Viskum, H.-H., Meincke, P., Jørgensen, E., Hansen, P. C. & Schmidt, C. H., 2015, Proceedings of the 9th European Conference on Antennas and Propagation (EuCAP 2015). IEEE, p. 1-5Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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2014
Gaussian translation operator for Multi-Level Fast Multipole Method
Borries, O. P., Hansen, P. C., Sorensen, S. B., Meincke, P. & Jorgensen, E., 2014, Proceedings of the 2014 IEEE Antennas and Propagation Society International Symposium. IEEE, p. 2152-2153 (I E E E Antennas and Propagation Society. International Symposium).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Improved Multilevel Fast Multipole Method for Higher-Order discretizations
Borries, O. P., Meincke, P., Jorgensen, E., Sorensen, S. B. & Hansen, P. C., 2014, Proceedings of the 8th European Conference on Antennas and Propagation (EuCAP 2014). IEEE, p. 3610-3614Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Reflector antenna analysis using physical optics on Graphics Processing Units
Borries, O. P., Sørensen, H. H. B., Dammann, B., Jorgensen, E., Meincke, P., Sorensen, S. B. & Hansen, P. C., 2014, Proceedings of the 8th European Conference on Antennas and Propagation (EuCAP 2014). IEEE, p. 254-258Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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2011
Accelerated gradient methods for total-variation-based CT image reconstruction
Jørgensen, J. H., Jensen, T. L., Hansen, P. C., Jensen, S. H., Sidky, E. Y. & Pan, X., 2011, Proceedings of 11th Fully 3D Meeting.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Image Deblurring with Krylov Subspace Methods
Hansen, P. C. (Invited author), 2011, Proceedings of WSC 2011.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Total Variation and Tomographic Imaging from Projections
Hansen, P. C. (Invited author) & Jørgensen, J. H. (Invited author), 2011, Proceedings of WSC 2011.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Toward optimal X-ray flux utilization in breast CT
Jørgensen, J. H., Hansen, P. C., Sidky, E. Y., Reiser, I. S. & Pan, X., 2011, Proceedings of 11th Fully 3D Meeting.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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2007
A convex programming approach to anisotropic smoothing
Dahl, J., Jansen, S. H. & Hansen, P. C., 2007, IEEE International Conference on Image Processing (ICIP). San Antonio, TX: IEEE, Vol. II. p. 104-104Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Large-scale methods in image deblurring
Hansen, P. C. (Invited author), 2007, Applied Parallel Computing: State of the Art in Scientific Computing. Kågström, B., Elmroth, E., Dongarra, J. J. & Wasniewski, J. (eds.). Springer, p. 24-35 (Lecture Notes in Computer Science; No. 4699).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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2002
Recent Developments in Rank Revealing and Lanczos Methods for TLS-Related Problems
Fierro, R. D. & Hansen, P. C., 2002, Total Least Squares and Errors-in-Variables Modeling. van Huffel, S. (ed.). Kluwer Academic, p. 47-56Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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2001
Rank-Revealing Decompositions of Symmetric Toeplitz Matrices
Hansen, P. C. & Yalamov, P. Y., 2001, Structured Matrices in Mathematics, Computer Science, and Engineering II. Olshevsky, V. (ed.). American Mathematical Society, p. 163-171Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Sound source reconstruction using inverse BEM
Schuhmacher, A. P. & Hansen, P. C., 2001, InterNoise 2001, The Hague, Holland. Boone, R. (ed.). p. 2109-2112Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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2000
The L-curve and its use in the numerical treatment of inverse problems
Hansen, P. C., 2000, InviteComputational Inverse Problems in Electrocardiology. WIT PressResearch output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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The LINPACK benchmark in Co-Array Fortran
Reid, J. K., Rasmussen, J. M. & Hansen, P. C., 2000, Proc. 6th European SGI/Cray MPP Workshop. Jesson, B. J. (ed.).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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The PP-TSVD Algorithm for Image Reconstruction Problems
Hansen, P. C., Jacobsen, M., Rasmussen, J. M. & Sørensen, H., 2000, Methods and Applications of Inversion. Springer, p. 171-186Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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1999
Constrained Linear Regularization
Berglund, E. A.-C., Hansen, P. C. & Jacobsen, B. H. (Editor), 1999, Proceedings of the Interdisciplinary Inversion Workshop 6. Dept. of Earth Science, p. 46-53Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Experimental Comparison of Signal Subspace Based Noise Reduction Methods
Hansen, P. S. K., Hansen, P. C., Hansen, S. D. & Sørensen, J. A., 1999, Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing. Vol. 1. p. 101-104Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Open AccessFile595 Downloads (Pure) -
1998
On Speech Enhancement Algorithms Based on Signal Subspace Methods
Hansen, P. S. K., Hansen, P. C., Hansen, S. D. & Sørensen, J. A., 1998, IEEE Nordic Signal Processing Symposium, NORSIG-98. p. 221-224Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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1997
Return of the TLS Regularization
Golub, G. H., Hansen, P. C. & O'Leary, D. P., 1997, Proceedings of the Interdisciplinary Inversion Workshop 5. Jacobsen, B. H. (ed.). Dept. of Earth Science, p. 112-122Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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ULV-Based Signal Subspace Method for Speech Enhancement
Hansen, P. S. K., Hansen, P. C., Hansen, S. D. & Sørensen, J. A., 1997, International Workshop on Acoustic Echo and Noise Control, IWAENC'97. London: Imperial Collega, p. 9-12Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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ULV-based signal subspace methods for speech enhancement
Hansen, P. C., Hansen, P. S. K., Hansen, S. D. & Soerensen, J. A., 1997, Proceedings of International Workshop on Acoustic Echo and Noise Control. Imperial College London, p. 9-12Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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1996
A Parallel sparse QR-factorization algorith
Hansen, P. C., Ostromsky, T. & Zlatev, Z., 1996, Applied Parallel Computing, Proceedings. Berlin: Springer, p. 462-472Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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A Parallel Sparse QR-Factorization Algorithm
Ostromsky, T., Hansen, P. C., Zlatev, Z., Dongarra, J. (Editor), Madsen, K. (Editor) & Wasniewski, J. (Editor), 1996, Applied Parallel Computing. Springer, p. 462-472Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Filter Model of Redeuced-Rank Noise Reduction
Hansen, P. C., Jensen, S. H., Wasniewski, J. (Editor), Dongarra, J. (Editor), Madsen, K. (Editor) & Olesen, D. (Editor), 1996, Applied Parallel Computing. Springer, p. 379-387Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Noise Reduction of Speech Signals using the Rank-Revealing ULLV Decomposition
Hansen, P. S. K., Hansen, P. C., Hansen, S. D., Sørensen, J. A. & Carrato, S. (Editor), 1996, Signal Processing VIII. Theories and Applications, EUSIPCO-96. Ramponi, G., Sicuranza, G. L., Carrato, S. & Marsi, S. (eds.). p. 967-970Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Performance of air pollution models on
Hansen, P. C., Brown, J., Wasniewski, J. & Zlatev, Z., 1996, Control and Cybernetics 25. p. 1113-1130Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Piecewise polynomial solutions to linear inverse problems
Hansen, P. C. & Mosegaard, K., 1996, Inverse Methods. Berlin: SpringerResearch output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Proceedings of the Interdisciplinary Inversion Workshop 4, Lyngby 1996
Hansen, P. C. (Editor), 1996, Proceedings of the Interdisciplinary Inversion Workshop 4, Lyngby 1996. Department of Mathematical Modelling, Technical University of Denmark, 120 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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Reduced-Rank Noise Reduction: A Filter-Bank Interpretation
Jensen, S. H. & Hansen, P. C., 1996, Signal Processing VIII. Theories and Applications, EUSIPCO-96. Ramponi, G., Sicuranza, G. L., Carrato, S. & Marsi, S. (eds.). p. 479-482Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Regularization algorithms based on total least squares
Hansen, P. C. & O'Leary, D. P., 1996, Recent Advances in Total Least Squares Techniques and Errors-in-Variables. Van Huffel, S. (ed.). Philadelphia: Society for Industrial and Applied Mathematics, p. 127-137Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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1995
Reduction of General Broad-band Noise in Speech by Truncated QSVD: Implementation Aspects
Jensen, S. H., Hansen, P. C., Hansen, S. D. & Sørensen, J. A., 1995, Proceedings of 3rd International Workshop on SVD and Signal Processing., M. M. (ed.). Elsevier, 8 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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1994
A Signal Subspace Approach for Noise Reduction of Speech Signals
Jensen, S. H., Hansen, P. C., Hansen, S. D. & Sørensen, J. A., 1994, Signal Processing VII: Theories and Applications., M. H., , C. C., , P. G. & , W. S. (eds.). European Association for Signal Processing (EURASIP), p. 1174-1177 4 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review