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  • 2025

    Bilevel Learning with Inexact Stochastic Gradients

    Salehi, M. S., Mukherjee, S., Roberts, L. & Ehrhardt, M. J., 17 May 2025, Scale Space and Variational Methods in Computer Vision - 10th International Conference, SSVM 2025, Proceedings. Bubba, T. A., Gaburro, R., Gazzola, S., Papafitsoros, K., Pereyra, M. & Schönlieb, C.-B. (eds.). Cham, Switzerland: Springer, p. 347-359 13 p. (Lecture Notes in Computer Science; vol. 15667 LNCS).

    Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

  • Stochastic Primal-Dual Three Operator Splitting Algorithm with Extension to Equivariant Regularization-by-Denoising

    Tang, J., Ehrhardt, M. J. & Schönlieb, C. B., 17 May 2025, Scale Space and Variational Methods in Computer Vision - 10th International Conference, SSVM 2025, Proceedings. Bubba, T. A., Gaburro, R., Gazzola, S., Papafitsoros, K., Pereyra, M. & Schönlieb, C.-B. (eds.). Cham, Switzerland: Springer, p. 30-41 12 p. (Lecture Notes in Computer Science; vol. 15668 LNCS).

    Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

    Open Access
  • 2021

    Convergence Properties of a Randomized Primal-Dual Algorithm with Applications to Parallel MRI

    Gutiérrez, E. B., Delplancke, C. & Ehrhardt, M. J., 29 Apr 2021, Scale Space and Variational Methods in Computer Vision - 8th International Conference, SSVM 2021, Proceedings. Elmoataz, A., Fadili, J., Quéau, Y., Rabin, J. & Simon, L. (eds.). Germany: Springer Science and Business Media Deutschland GmbH, p. 254-266 13 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12679 LNCS).

    Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

    Open Access
    File
    2 Citations (SciVal)
    79 Downloads (Pure)
  • Improving a Stochastic Algorithm for Regularized PET Image Reconstruction

    Delplancke, C., Gurnell, M., Latz, J., Markiewicz, P. J., Schönlieb, C. B. & Ehrhardt, M. J., 12 Aug 2021, 2020 IEEE Nuclear Science Symposium and Medical Imaging Conference. IEEE, 9508013. (2020 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2020).

    Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

    1 Citation (SciVal)
  • 2019

    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 or section in a book/report/conference proceedingChapter in a published conference proceeding

    1 Citation (SciVal)
  • 2018

    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 or section in a book/report/conference proceedingChapter in a published conference proceeding

  • 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 or section in a book/report/conference proceedingChapter in a published conference proceeding

    10 Citations (SciVal)
  • 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 or section in a book/report/conference proceedingChapter in a published conference proceeding

    File
    63 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 or section in a book/report/conference proceedingChapter in a published conference proceeding

    1 Citation (SciVal)
  • 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 or section in a book/report/conference proceedingChapter in a published conference proceeding

    11 Citations (SciVal)
  • 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 or section in a book/report/conference proceedingChapter in a published conference proceeding

    5 Citations (SciVal)
  • 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 or section in a book/report/conference proceedingChapter in a published conference proceeding

    5 Citations (SciVal)