Edinburgh EH14 4ASColin Maclaurin Building CMT.19A a.repetti@hw.ac.uk
Associate Professor Department of Actuarial Mathematics and Statistics School of Mathematical and Computer Sciences Institute of Sensors, Signals, and Systems School of Engineering and Physical Sciences Maxwell Institute for Mathematical Sciences - Edinburgh
Dissemination
Invited talks at international seminars and workshops
(Selected)
- A. Repetti (joint work with Matthieu Kowalski, Benoit Malezieux and Thomas Moreau). Analysis and synthesis approximated denoisers for forward-backward plug-and-play algorithms. Spring workshop on Optimization and Machine Learning, Toulouse, France, 1st April 2025. - A. Repetti (joint work with Matthieu Kowalski, Benoit Malezieux and Thomas Moreau). Analysis and synthesis approximated denoisers for forward-backward plug-and-play algorithms. 2025 MIA workshop, IHP Paris, France, 13-15 January 2025. - A. Repetti (joint work with Y. Belkouchi, J.-C. Pesquet, H. Talbot, M. Terris and Y. Wiaux). Learning approaches for solving monotone inclusion problems in imaging.2024 SIGMA workshop (Signal - Image - Geometry - Modelling - Approximation), CIRM, France, 28 October - 2 November 2024- A. Repetti (joint work with Y. Belkouchi, J.-C. Pesquet, H. Talbot, M. Terris and Y. Wiaux).Learning approaches for solving monotone inclusion problems in imaging. TraDE-OPT Final Conference, Sestri Levante, Italy, 25-28 September 2024- A. Repetti (joint work with C. S. Garcia, M. Larchevêque, Solal O’Sullivan, M. Van Waerebeke, R. R. Thomson, and J.-C. Pesquet).A primal-dual data-driven method for computational optical imaging with a photonic lantern. 4th IMA Conference on Inverse Problems from Theory to Application, University of Bath, UK, 11-13 Septembre 2024- A. Repetti (joint work with T. V. Le, J.-C. Pesquet, N. Pustelnik, M. Terris and Y. Wiaux).An optimisation view of learning robust and flexible denoisers for inverse imaging problems. LOL 2024 - Learning and Optimization in Luminy (Workshop CIRM), CIRM, France, 17-21 June 2024 - A. Repetti et al.. A primal-dual plug-and-play algorithm for computational optical imaging. ICMS workshop on Big Data Inverse Problems, Edinburgh, UK , 22 May 2024. - A. Repetti (joint work with T. V. Le, J.-C. Pesquet, N. Pustelnik, M. Terris and Y. Wiaux). An optimisation view of learning robust and flexible denoisers for inverse imaging problems. Stats seminar, Imperial College London, UK, 16 February 2024- A. Repetti (joint work with T. V. Le, J.-C. Pesquet, N. Pustelnik, M. Terris and Y. Wiaux).An optimisation view of learning robust and flexible denoisers for inverse imaging problems. Séminaire LS2N, Centrale Nantes, France, 20 December 2023. - A. Repetti et al.. A primal-dual plug-and-play algorithm for computational optical imaging. UCLWorkshop on Recent Advances in Iterative Reconstruction, UCL, London, UK , 23 May 2023. - A. Repetti (joint work with A. M. Rambojun, H. Komber, J. Rossdale, J. Suntharalingam, J. C. L. Rodrigues, M. J. Ehrhardt). Uncertainty Quantification in CT pulmonary angiography. Isaac Newton Institute, Cambridge, 27 March 2023. - A. Repetti (joint work with M. Terris, Y. Wiaux and J.-C. Pesquet). Dual Forward-Backward Unfolded Network for Flexible Plug-and-Play for Image Recovery. BASP Frontiers workshop, Edinburgh, UK, 3-5 February 2023. - A. Repetti (Invited poster - joint work with M. Terris, Y. Wiaux and J.-C. Pesquet). Dual Forward-Backward Unfolded Network for Flexible Plug-and-Play for Image Recovery. ICMS workshop on Interfacing Bayesian Statistics, machine learning, applied analysis, and blind and semi-blind imaging inverse problems, Edinburgh, UK, 24-26January 2023. - A. Repetti. Minimization of non-convex composite functions with a forward-backward algorithm. Inauguration de la Fédération de Mathématiques de CentraleSupélec, CentraleSupélec, Gif-sur-Yvettes, France, 2-4November 2022. - A. Repetti (joint work with M. Terris, Y. Wiaux and J.-C. Pesquet). Dual Forward-Backward Unfolded Network for Flexible Plug-and-Play for Image Recovery. SIAM Conference on Mathematics of Data Science, (hybrid) San Diego, California, US, 26-30 September 2022. - A. Repetti. Minimization of non-convex composite functions with a forward-backward algorithm. SIAM Conference on Imaging Science, (online) Berlin, Germany, 21-25 March 2022. [abstract] - A. Repetti. Optimisation methods for radio-interferometric imaging: From theory to real data. 2019 SARAO PG bursary conference, Durban, South Africa, December 2-7 2019. (Keynote speaker) - A. Repetti, M. Pereyra and Y. Wiaux. Uncertainty quantification by optimization for radio-astronomical imaging. Applied Inverse Problems (AIP 2019), Grenoble, France, 8-12 July 2019. - A. Repetti, P. A. Thouvenin, A. Dabbech and Y. Wiaux. A time-regularized blind deconvolution method via non- convex optimisation. SIAM Conference on Imaging Science, Bologna, Italy, 5-8 June 2018. [abstract] - A. Repetti and Y. Wiaux. Joint imaging and calibration using non-convex optimization. Workshop on Variational methods, new optimisation techniques and new fast numerical algorithms, Isaac Newton Institute, Cambridge, UK, 4-8 Sept. 2017. [abstract] - A. Repetti, J. Birdi, A. Dabbech, and Y. Wiaux. Non-convex optimization for self-calibration of direction-dependent effects in radio interferometric imaging. Radio Imaging in the 21st Century 2017 workshop, La Valetta, Malta, 22-26 May 2017. - A. Repetti, and Y. Wiaux. Tutorial: Compressive sensing and convex optimization. 3GC4 workshop, Port Alfred, South Africa, 24th October-4th November 2016. - A. Repetti, J. Birdi and Y. Wiaux. Joint imaging and DDE calibration for RI. 3GC4 workshop, Port Alfred, South Africa, 24th October-4th November 2016. [abstract] - A. Repetti, M. Q. Pham, L. Duval, E. Chouzenoux et J.-C. Pesquet. Sparse Deconvolution of Seismic Data with A Regularized Norm Ratio. International Congress on Industrial and Applied Mathematics (ICIAM 2015), Beijing, China, 10-14 Août 2015. [abstract] - A. Repetti, F. Abboud et J.-C. Pesquet. Solving Convex Constrained Problems using Random Distributed Algorithms. International Symposium in Mathematical Programming (ISMP 2015), Pittsburgh, PA, 12-17 Juillet 2015. [abstract] - A. Repetti, E. Chouzenoux et J.-C. Pesquet. Convergence Analysis of Block-Coordinate Primal-Dual Algorithms with Arbitrary Random Sampling. International Symposium in Mathematical Programming (ISMP 2015), Pittsburgh, PA, 12-17 Juillet 2015. [abstract] - A. Repetti, P. L. Combettes and J.-C. Pesquet. Randomized primal-dual methods based on stochastic quasi-Fejér monotonicity property. European Conference on Stochastic Programming and Energy Applications (ECSP 2014), Paris, IHP, France, 24 - 26 septembre 2014. [abstract]
Seminars
(Selected)
- A. Repetti (joint work with Trieu-Vy Le, Marion Foare and Nelly Pustelnik). Unfolded Proximal Neural Networks for Computational Imaging. DIBRIS & MaLGa seminar, Genoa, Italy, 8 May 2025. - A. Repetti et al.. An optimisation view of learning robust and flexible denoisers for inverse imaging problems. Stats seminar, Imperial College London, London, UK, 16Feb. 2024. - A. Repetti et al.. An optimisation view of learning robust and flexible denoisers for inverse imaging problems. Séminaire LS2N, Centrale Nantes, France , 20 Dec. 2023. - A. Repetti (joint work with M. Terris, Jean-Christophe Pesquet, and Y. Wiaux). Learning Maximally Monotone Operators for Image Recovery. ERGO seminar, University of Edinburgh, UK , 1 March 2023. - A. Repetti. Proximal methods for computational imaging with application in medicine. CREATIS seminar, Lyon, France, 1 December 2022. - A. Repetti (joint work with M. Terris, Jean-Christophe Pesquet, and Y. Wiaux). Learning Maximally Monotone Operators for Image Recovery.Journée Approches vatiationnelles en signal et image, ENS Lyon, France, 18November 2022. - A. Repetti (Invited poster - joint work with M. Terris, Y. Wiaux and J.-C. Pesquet). Dual Forward-Backward Unfolded Network for Flexible Plug-and-Play for Image Recovery. 3rd IMA conference on Inverse Problems from Theory to Applications, Edinburgh, UK, 3-5Mai 2022. - A. Repetti (joint work with M. Terris, Jean-Christophe Pesquet, and Y. Wiaux). Learning Maximally Monotone Operators for Image Recovery. Institut für Mathematik TU Berlin (online), 15July 2021. - A. Repetti and Y. Wiaux. A forward-backward algorithm for reweighted procedures: Application to astro-imaging. Maxwell Institute Applied and Computational Mathematics Seminars, Edinburgh, UK (online), 10 Feb. 2021. - A. Repetti and Y. Wiaux. A forward-backward algorithm for reweighted procedures: Application to astro-imaging. SigMA seminar (University of Lille), Lille, France (online), 29 June 2020. - A. Repetti and Y. Wiaux. A forward-backward algorithm for reweighted procedures: Application to astro-imaging. University of Bath, Bath, UK, 8 November 2019. - A. Repetti, M. Pereyra and Y. Wiaux. Optimization methods for Bayesian inference: Application to Astro-Imaging. Statistics seminar (University of Edinburgh), Edinburgh, UK, 10 May 2019. - A. Repetti, M. Pereyra and Y. Wiaux. Optimization methods for Bayesian inference: Application to Astro-Imaging. LMS workshop, Edinburgh, UK, 10 April 2019. - A. Repetti, M. Pereyra and Y. Wiaux. Optimisation methods for Bayesian inference: Application to high dimensional inverse problems. CMIH seminar, Cambridge, UK, 1 June 2018. - A. Repetti and Y. Wiaux. Non-convex blind deconvolution approach for sparse image processing. Workshop on New mathematical methods in computational imaging, Heriot-Watt University, Edinburgh, UK, 29th June 2017. - A. Repetti, E. Chouzenoux et J.-C. Pesquet. Solving large-scale inverse problems using forward-backward based methods. Séminaire Scube - Supelec, Gif-sur-Yvette, France, 11 March 2016. [abstract] - A. Repetti, E. Chouzenoux et J.-C. Pesquet. Adaptations de l’algorithme explicite-implicite pour la résolution de problèmes inverses de grande dimension. Séminaire SPOC - Université de Bourgogne, Dijon, France, 9 March 2016. [abstract] - A. Repetti, E. Chouzenoux et J.-C. Pesquet. Large scale optimization : accelerations using preconditioned and randomized techniques. Séminaire OGre - Université Grenoble Alpes, Grenoble, France, 2 February 2016. - A. Repetti, E. Chouzenoux et J.-C. Pesquet. Méthodes proximales primales-duales pour l'optimisation convexe. Séminaire de Probabilités et Statistiques, Université de Lille, France, 17 June 2015. [abstract] - A. Repetti, E. Chouzenoux, M. Q. Pham, L. Duval et J.-C. Pesquet. Algorithme préconditionné explicite-implicite et application à la résolution de problèmes inverses en traitement du signal. GdR ISIS - Optimisation non-convexe, Paris, France, 16 October 2014. [abstract] - A. Repetti, E. Chouzenoux and J.-C. Pesquet. Proximal methods: tools for solving inverse problems on a large scale. BioImage Informatics and Modeling at the Cellular Scale, Toulouse, France, 30 June - 2 July 2014 - A. Repetti, E. Chouzenoux and J.-C. Pesquet. Une nouvelle approche régularisée pour la reconstruction de phase. 9ème édition des Journées d'imagerie optique non conventionnelle (JIONC), Paris, France, 19-20 March 2014. [abstract] - A. Repetti, E. Chouzenoux and J.-C. Pesquet. Variable metric forward-backward algorithm for minimizing the sum of a differentiable function and a convex function. Advances in Mathematical Image Processing (AIP), Annweiler, Allemagne, 30 September - 2 October 2013.