{"id":1230,"date":"2024-06-11T14:01:03","date_gmt":"2024-06-11T12:01:03","guid":{"rendered":"https:\/\/www.unioviedo.es\/fgs2024\/?page_id=1230"},"modified":"2024-06-11T14:01:11","modified_gmt":"2024-06-11T12:01:11","slug":"ms09-optimization-methods-for-inverse-problems-and-beyond","status":"publish","type":"page","link":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/scientific-program\/ms09-optimization-methods-for-inverse-problems-and-beyond\/","title":{"rendered":"MS09: Optimization methods for inverse problems and beyond"},"content":{"rendered":"\nOptimization plays an important role in the solution of ill-posed inverse problems.\nOptimization formulations of said problems are often nonlinear, nonconvex, and high-dimensional.\nMoreover, popular regularization techniques for enforcing the well-posedness of ill-posed inverse problems\nintroduce a further challenge: nonsmoothness. This minisymposium aims to facilitate the exchange\nof ideas and varied viewpoints on optimisation challenges in the solution of inverse problems.<br>\n\n<strong>Mini symposium organizers:<\/strong><br>\nNeil Dizon (University of Helsinky)<br>\nTuomo Valkonen (University of Helsinki &#038; Escuela Polit\u00e9cnica Nacional)<br>\n<\/p>\n<p>\n<strong>Session 4. Room A5, Thursday 11:30-13:00.<\/strong><br>\n <strong>Chair:<\/strong> Neil Dizon (University of Helsinky)<\/strong><br>\n<strong>Speakers:<\/strong><br>\nMarcello Carioni (University of Twente) <em>Exact sparse representation recovery in convex optimization<\/em><br>\nRaphael Kuess (Humboldt-Universit\u00e4t zu Berlin) <em>Modeling, analysis and solution of parameter identification problems in thermo-piezoelectricity<\/em><br>\nRossen Nenov (Acoustics Research Institute) <em>Accelerated Griffin-Lim: A fast and provably converging method for phase retrieval<\/em><br>\n<\/p>\n<p>\n<strong>Session 5. Room A5, Thursday 17:30-19:30.<\/strong><br>\n <strong>Chair:<\/strong> Tuomo Valkonen (University of Helsinki &#038; Escuela Polit\u00e9cnica Nacional)<\/strong><br>\n<strong>Speakers:<\/strong><br>\nNeil Dizon (University of Helsinky) <em>Online optimization for electrical impedance tomography<\/em><br>\nFelix Schneppe (Technische Universit\u00e4t Braunschweig) <em>The impact of adjoint mismatches in the primal-dual Douglas-Rachford method \u2013 Existence of stationary points and convergence.<\/em><br>\nKostas Papafitsoros (Queen Mary University of London) <em>Learning data-driven priors for image reconstruction via neural network-based unrolled algorithmic schemes<\/em><br>\nTuomo Valkonen (University of Helsinki &#038; Escuela Polit\u00e9cnica Nacional) <em>Interweaved first-order methods for PDE-constrained and bilevel optimisation<\/em><br>\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Optimization plays an important role in the solution of ill-posed inverse problems. Optimization formulations of said problems are often nonlinear,&hellip; <\/p>\n","protected":false},"author":3,"featured_media":0,"parent":618,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1230","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/wp-json\/wp\/v2\/pages\/1230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/wp-json\/wp\/v2\/comments?post=1230"}],"version-history":[{"count":1,"href":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/wp-json\/wp\/v2\/pages\/1230\/revisions"}],"predecessor-version":[{"id":1232,"href":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/wp-json\/wp\/v2\/pages\/1230\/revisions\/1232"}],"up":[{"embeddable":true,"href":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/wp-json\/wp\/v2\/pages\/618"}],"wp:attachment":[{"href":"https:\/\/www.unioviedo.es\/fgs2024\/index.php\/wp-json\/wp\/v2\/media?parent=1230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}