20122023

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

  • 14 Article
  • 8 Conference contribution
2019

Deep learning as optimal control problems: models and numerical methods

Benning, M., Celledoni, E., Ehrhardt, M. J., Owren, B. & Schönlieb, C-B., 1 Dec 2019, In : Journal of Computational Dynamics. 6, 2, p. 171-198 28 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
34 Downloads (Pure)

Enhancing joint reconstruction and segmentation with non-convex Bregman iteration

Corona, V., Benning, M., Ehrhardt, M. J., Gladden, L. F., Mair, R., Reci, A., Sederman, A. J., Reichelt, S. & Schoenlieb, C-B., 26 Apr 2019, In : Inverse Problems. 35, 5, 34 p., 055001.

Research output: Contribution to journalArticle

Open Access
File
16 Downloads (Pure)

Faster PET reconstruction with non-smooth priors by randomization and preconditioning

Ehrhardt, M. J., Markiewicz, P. J. & Schönlieb, C-B., 21 Nov 2019, In : Physics in Medicine and Biology. 64, 22, p. 1-17 18 p., 225019.

Research output: Contribution to journalArticle

Open Access

Incorporating structural prior information and sparsity into EIT using parallel level sets

Kolehmainen, V., Ehrhardt, M. J. & Arridge, S. R., Apr 2019, In : Inverse Problems and Imaging. 13, 2, p. 285-307 23 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

SIRF: Synergistic Image Reconstruction Framework

Ovtchinnikov, E., Brown, R., Kolbitsch, C., Pasca, E., da Costa-Luis, C., Gillman, A. G., Thomas, B. A., Efthimiou, N., Mayer, J., Wadhwa, P., Ehrhardt, M. J., Ellis, S., Jørgensen, J. S., Matthews, J., Prieto, C., Reader, A. J., Tsoumpas, C., Turner, M., Atkinson, D. & Thielemans, K., 5 Dec 2019, In : Computer Physics Communications. 249, 1 p., 107087.

Research output: Contribution to journalArticle

Versatile regularisation toolkit for iterative image reconstruction with proximal splitting algorithms

Kazantsev, D., Pasca, E., Basham, M., Turner, M., Ehrhardt, M. J., Thielemans, K., Thomas, B. A., Ovtchinnikov, E., Withers, P. J. & Ashton, A. W., 28 May 2019, 15th International Meeting on Fully Three-Dimensional Image Reconstruction in Radiology and Nuclear Medicine. Matej, S. & Metzler, S. D. (eds.). U. S. A.: SPIE, p. 1-6 6 p. 110722D. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11072).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2018

Blind image fusion for hyperspectral imaging with the directional total variation

Bungert, L., Coomes, D. A., Ehrhardt, M. J., Rasch, J., Reisenhofer, R. & Schönlieb, C. B., 8 Mar 2018, In : Inverse Problems. 34, 4, 044003.

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)

Fast Quasi-Newton Algorithms for Penalized Reconstruction in Emission Tomography and Further Improvements via Preconditioning

Tsai, Y. J., Bousse, A., Ehrhardt, M. J., Stearns, C. W., Ahn, S., Hutton, B. F., Arridge, S. & Thielemans, K., 1 Apr 2018, In : IEEE Transactions on Medical Imaging. 37, 4, p. 1000-1010 11 p.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

NiftyPET: a High-throughput Software Platform for High Quantitative Accuracy and Precision PET Imaging and Analysis

Markiewicz, P. J., Ehrhardt, M. J., Erlandsson, K., Noonan, P. J., Barnes, A., Schott, J. M., Atkinson, D., Arridge, S. R., Hutton, B. F. & Ourselin, S., 1 Jan 2018, In : Neuroinformatics. 16, 1, p. 95-115 21 p.

Research output: Contribution to journalArticle

Open Access
10 Citations (Scopus)

Robust Blind Image Fusion for Misaligned Hyperspectral Imaging Data

Bungert, L., Ehrhardt, M. J. & Reisenhofer, R., 17 Dec 2018, Proceedings in Applied Mathematics & Mechanics. Wiley, Vol. 18. 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Stochastic Primal-Dual Hybrid Gradient Algorithm with Arbitrary Sampling and Imaging Applications

Chambolle, A., Ehrhardt, M. J., Richtárik, P. & Schönlieb, C-B., 31 Dec 2018, In : SIAM Journal on Optimization. 28, 4, p. 2783-2808 26 p.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)
2017

Faster PET reconstruction with a stochastic primal-dual hybrid gradient method

Ehrhardt, M. J., Markiewicz, P., Chambolle, A., Richtárik, P., Schott, J. & Schönlieb, C. B., 1 Jan 2017, Wavelets and Sparsity XVII. SPIE, 103941O. (Proceedings of SPIE; vol. 10394).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Gradient descent in a generalised Bregman distance framework

Benning, M., Betcke, M. M., Ehrhardt, M. J. & Schönlieb, C. B., 31 Mar 2017, MI Lecture Notes series of Kyushu University. Quispel, G. R. W., Bader, P., David I., M. & Tagami, D. (eds.). Vol. 74. p. 40-45 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

File
17 Downloads (Pure)

Uniform acquisition modelling across PET imaging systems: Unified scatter modelling

Markiewicz, P. J., Ehrhardt, M. J., Atkinson, D., Arridge, S. R., Hutton, B. F. & Ourselin, S., 16 Oct 2017, 2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop, NSS/MIC/RTSD 2016. IEEE, Vol. 2017-January. 8069584

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
2016

High throughput CUDA implementation of accurate geometric modelling for iterative reconstruction of PET data

Markiewicz, P. J., Thielemans, K., Ehrhardt, M. J., Jiao, J., Burgos, N., Atkinson, D., Arridge, S. R., Hutton, B. F. & Ourselin, S., 14 Mar 2016, 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC . U. S. A.: IEEE, 7430963

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Joint reconstruction of PET-MRI by parallel level sets

Ehrhardt, M. J., Thielemans, K., Pizarro, L., Markiewicz, P., Atkinson, D., Ourselin, S., Hutton, B. F. & Arridge, S. R., 10 Mar 2016, 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC . U. S. A.: IEEE, 7430895

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Multicontrast MRI reconstruction with structure-guided total variation

Ehrhardt, M. J. & Betcke, M. M., 4 Aug 2016, In : SIAM Journal on Imaging Sciences. 9, 3, p. 1084-1106 23 p.

Research output: Contribution to journalArticle

Open Access
37 Citations (Scopus)

Performance evaluation of MAP algorithms with different penalties, object geometries and noise levels

Tsai, Y. J., Bousse, A., Ehrhardt, M. J., Hutton, B. F., Arridge, S. & Thielemans, K., 3 Oct 2016, 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC. U. S. A.: IEEE, 7582101

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

PET Reconstruction with an Anatomical MRI Prior Using Parallel Level Sets

Ehrhardt, M. J., Markiewicz, P., Liljeroth, M., Barnes, A., Kolehmainen, V., Duncan, J. S., Pizarro, L., Atkinson, D., Hutton, B. F., Ourselin, S., Thielemans, K. & Arridge, S. R., 1 Sep 2016, In : IEEE Transactions on Medical Imaging. 35, 9, p. 2189-2199 11 p., 7452643.

Research output: Contribution to journalArticle

Open Access
33 Citations (Scopus)
2014

Joint reconstruction of PET-MRI by exploiting structural similarity

Ehrhardt, M. J., Thielemans, K., Pizarro, L., Atkinson, D., Ourselin, S., Hutton, B. F. & Arridge, S. R., 10 Dec 2014, In : Inverse Problems. 31, 1, 015001.

Research output: Contribution to journalArticle

Open Access
62 Citations (Scopus)

Vector-valued image processing by parallel level sets

Ehrhardt, M. J. & Arridge, S. R., 1 Jan 2014, In : IEEE Transactions on Image Processing. 23, 1, p. 9-18 10 p., 6576903.

Research output: Contribution to journalArticle

Open Access
37 Citations (Scopus)
2012

Evaluation of decomposition tools for sea floor pressure data. A practical comparison of modern and classical approaches.

Ehrhardt, M. J., Villinger, H. & Schiffler, S., 1 Aug 2012, In : Computers and Geosciences. 45, p. 4-12 9 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)