Publications: Dr Konstantinos Papafitsoros

Dong G, Flaschel M, Hintermüller M, Papafitsoros K, Sirotenko C, Tabelow K ( 2024 ) . Data‐driven methods for quantitative imaging . GAMM-Mitteilungen

Dong G, Hintermüller M, Papafitsoros K ( 2024 ) . A Descent Algorithm for the Optimal Control of ReLU Neural Network Informed PDEs Based on Approximate Directional Derivatives . SIAM Journal on Optimization vol. 34 , ( 3 ) 2314 - 2349 .

Čermák V, Adam L, Papafitsoros K, Picek L ( 2024 ) . WildlifeDatasets: An open-source toolkit for animal re-identification . Conference: 2024 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV 2024)

Adam L, Čermák V, Papafitsoros K, Picek L ( 2024 ) . SeaTurtleID2022: A long-span dataset for reliable sea turtle re-identification . Conference: 2024 IEEE/CVF Winter Conference on Applications of Computer Vision (WACV) vol. 00 , 7131 - 7141 .

Kofler A, Altekrüger F, Antarou Ba F, Kolbitsch C, Papoutsellis E, Schote D, Sirotenko C, Zimmermann FF et al. ( 2023 ) . Learning Regularization Parameter-Maps for Variational Image Reconstruction Using Deep Neural Networks and Algorithm Unrolling . SIAM Journal on Imaging Sciences vol. 16 , ( 4 ) 2202 - 2246 .

Papafitsoros K, Adam L, Schofield G ( 2022 ) . A social media-based framework for quantifying temporal changes to wildlife viewing intensity . Ecological Modelling vol. 476 , 110223 - 110223 .

Pagliari V, Papafitsoros K, Raib̧tă B, Vikelis A ( 2022 ) . Bilevel Training Schemes in Imaging for Total Variation--Type Functionals with Convex Integrands . SIAM Journal on Imaging Sciences vol. 15 , ( 4 ) 1690 - 1728 .

Schofield G, Papafitsoros K, Chapman C, Shah A, Westover L, Dickson LCD, Katselidis KA ( 2022 ) . More aggressive sea turtles win fights over foraging resources independent of body size and years of presence . Animal Behaviour vol. 190 , 209 - 219 .

Hintermüller M, Papafitsoros K, Rautenberg CN, Sun H ( 2022 ) . Dualization and Automatic Distributed Parameter Selection of Total Generalized Variation via Bilevel Optimization . Numerical Functional Analysis and Optimization vol. 43 , ( 8 ) 887 - 932 .

Papafitsoros K, Dimitriadis C, Mazaris AD, Schofield G ( 2022 ) . Photo-identification confirms polyandry in loggerhead sea turtles . Marine Ecology

Dong G, Hintermüller M, Papafitsoros K ( 2022 ) . Optimization with learning-informed differential equation constraints and its applications . ESAIM: Control, Optimisation and Calculus of Variations vol. 28 ,

Hintermüller M, Papafitsoros K, Rautenberg CN ( 2020 ) . Variable Step Mollifiers and Applications . Integral Equations and Operator Theory vol. 92 , ( 6 )

Schofield G ( 2020 ) . Social media reveals consistently disproportionate tourism pressure on a threatened marine vertebrate . Animal Conservation

Schofield G, Klaassen M, Papafitsoros K, Lilley MKS, Katselidis KA, Hays GC ( 2020 ) . Long‐term photo‐id and satellite tracking reveal sex‐biased survival linked to movements in an endangered species . Ecology vol. 101 , ( 7 )

Polzehl J, Papafitsoros K, Tabelow K ( 2020 ) . Patch-Wise Adaptive Weights Smoothing in R . Journal of Statistical Software vol. 95 , ( 6 )

Calatroni L, Papafitsoros K ( 2019 ) . Analysis and automatic parameter selection of a variational model for mixed Gaussian and salt-and-pepper noise removal . Inverse Problems vol. 35 , ( 11 )

Dong G, Hintermüller M, Papafitsoros K ( 2019 ) . Quantitative Magnetic Resonance Imaging: From Fingerprinting to Integrated Physics-Based Models . SIAM Journal on Imaging Sciences vol. 12 , ( 2 ) 927 - 971 .

Hintermüller M, Papafitsoros K ( 2019 ) . Chapter 11 Generating structured nonsmooth priors and associated primal-dual methods . Processing, Analyzing and Learning of Images, Shapes, and Forms: Part 2 , vol. 20 , Elsevier

Hintermüller M, Holler M, Papafitsoros K ( 2018 ) . A function space framework for structural total variation regularization with applications in inverse problems . Inverse Problems vol. 34 , ( 6 )

Dujon AM, Schofield G, Lester RE, Papafitsoros K, Hays GC ( 2018 ) . Complex movement patterns by foraging loggerhead sea turtles outside the breeding season identified using Argos-linked Fastloc-Global Positioning System . Marine Ecology vol. 39 , ( 1 ) e12489 - e12489 .

Hintermüller M, Papafitsoros K, Rautenberg CN ( 2017 ) . Analytical aspects of spatially adapted total variation regularisation . Journal of Mathematical Analysis and Applications vol. 454 , ( 2 ) 891 - 935 .

Schofield G, Papafitsoros K, Haughey R, Katselidis K ( 2017 ) . Aerial and underwater surveys reveal temporal variation in cleaning-station use by sea turtles at a temperate breeding area . Marine Ecology Progress Series vol. 575 , 153 - 164 .

Burger M, Papafitsoros K, Papoutsellis E, Schönlieb C-B ( 2016 ) . Infimal Convolution Regularisation Functionals of and Spaces. The Case . IFIP Advances in Information and Communication Technology . vol. 494 , 169 - 179 .

Burger M, Papafitsoros K, Papoutsellis E, Schönlieb C-B ( 2016 ) . Infimal Convolution Regularisation Functionals of BV and Lp Spaces . Journal of Mathematical Imaging and Vision vol. 55 , ( 3 ) 343 - 369 .

Lellmann J, Papafitsoros K, Schönlieb C, Spector D ( 2015 ) . Analysis and Application of a Nonlocal Hessian . SIAM Journal on Imaging Sciences vol. 8 , ( 4 ) 2161 - 2202 .

Papafitsoros K, Valkonen T ( 2015 ) . Asymptotic Behaviour of Total Generalised Variation . Lecture Notes in Computer Science . vol. 9087 , 702 - 714 .

Papafitsoros K, Bredies K ( 2015 ) . A study of the one dimensional total generalised variation regularisation problem . Inverse Problems and Imaging vol. 9 , ( 2 ) 511 - 550 .

Papafitsoros K, Schönlieb CB ( 2013 ) . A Combined First and Second Order Variational Approach for Image Reconstruction . Journal of Mathematical Imaging and Vision vol. 48 , ( 2 ) 308 - 338 .

Kofler A, Zimmermann FF, Papafitsoros K ( 2012 ) . Machine Learning for Quantitative Magnetic Resonance Image Reconstruction . Quantification of Biophysical Parameters in Medical Imaging , Springer Nature