Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

 
 
Session Overview
Date: Friday, 08/Sept/2023
9:00am
-
9:50am
Pl 9: Plenary lecture
Location: ZHG 011
Chair: Matti Lassas
 

Inverse problems for wave equations

Ali Feizmohammadi

9:50am
-
10:40am
Pl 10: Plenary lecture
Location: ZHG 011
Chair: William Rundell
 

On inverse problems for piezoelectric equations

Xiang Xu

10:40am
-
11:10am
C8: Coffee Break
Location: ZHG Foyer
11:10am
-
12:00pm
Pl 11: Plenary lecture
Location: ZHG 011
Chair: Lauri Oksanen
 

Reconstruction of spacetime structures in general relativity and Lorentzian geometry

Yiran Wang

12:00pm
-
1:30pm
LB4: Lunch Break
Location: Mensa
1:30pm
-
3:30pm
CT10: Contributed talks
Location: VG3.102
Chair: Gerlind Plonka
 

Exact Parameter Identification in PET Pharmacokinetic Modeling Using the Irreversible Two Tissue Compartment Model

Erion Morina, Martin Holler, Georg Schramm



Regularized Maximum Likelihood Estimation for the Random Coefficients Model

Fabian Dunker, Emil Mendoza, Marco Reale



Adaptive estimation of $\alpha-$generalized random fields for statistical linear inverse problems with repeated measurements

Mihaela Pricop-Jeckstadt



The Range of Projection Pair Operators

Richard Huber, Rolf Clackdoyle, Laurent Desbat

CT11: Contributed talks
Location: VG1.108
Chair: Housen Li
 

Extension and convergence of sixth order Jarratt-type method

Suma Panathale Bheemaiah



Optimal design for aeroacoustics with correlation data

Christian Aarset, Thorsten Hohage



Source separation for Electron Paramagnetic Resonance Imaging

Mehdi Boussâa, Rémy Abergel, Sylvain Durand, Yves Frapart

CT12: Contributed talks
Location: VG2.104
Chair: Frank Werner
 

Designing an algorithm for low-dose Poisson phase retrieval

Benedikt Diederichs, Frank Filbir, Patricia Römer



ADMM methods for Phase Retrieval and Ptychography

Albert Fannjiang



Phase retrieval in the wild: In situ optimized reconstruction for X-ray in-line holography

Johannes Dora, Johannes Hagemann, Silja Flenner, Christian Schroer, Tobias Knopp

MS06 4: Inverse Acoustic and Electromagnetic Scattering Theory - 30 years later
Location: VG3.103
Chair: Fioralba Cakoni
Chair: Houssem Haddar
 

Nonlinear integral equations for 3D inverse acoustic and electromagnetic scattering

Olha Ivanyshyn Yaman



Inverse scattering in a partially embedded waveguide

Laurent Bourgeois, Jean-François Fritsch, Arnaud Recoquillay



Revisiting the Hybrid method for the inverse scattering transmission problem

Pedro Serranho, João Paixão



Single Mode Multi-frequency Factorization Method for the Inverse Source Problem in Acoustic Waveguides

Shixu Meng

MS07 1: Regularization for Learning from Limited Data: From Theory to Medical Applications
Location: VG1.101
Chair: Markus Holzleitner
Chair: Sergei Pereverzyev
Chair: Werner Zellinger
 

Regularized Radon - Nikodym differentiation and some of its applications

Duc Hoan Nguyen, Sergei Pereverzyev, Werner Zellinger



Explicit error rate results in the context of domain generalization

Markus Holzleitner



Addressing Parameter Choice Issues in Unsupervised Domain Adaptation by Aggregation

Marius-Constantin Dinu



Convex regularization in statistical inverse learning problems

Luca Ratti, Tatiana A. Bubba, Martin Burger, Tapio Helin

MS08 1: Integral Operators in Potential Theory and Applications
Location: VG2.102
Chair: Doosung Choi
Chair: Mikyoung Lim
Chair: Stephen Shipman
 

On the identification of small anomaly via MUSIC algorithm without background information

Won-Kwang Park



Construction of inclusions with vanishing generalized polarization tensors by imperfect interfaces

Doosung Choi, Mikyoung Lim



Spectral theory of surface plasmons in the nonlocal hydrodynamic Drude model

Hyundae Lee, Matias Ruiz, Sanhyeon Yu



Numerical computation of Laplacian eigenvalues based on the layer potential formulation

Mikyoung Lim, Jiho Hong

MS09: Forward and inverse domain uncertainty quantification
Location: VG1.102
Chair: Vesa Kaarnioja
Chair: Claudia Schillings
 

Isogeometric multilevel quadrature for forward and inverse random acoustic scattering

Jürgen Dölz, Helmut Harbrecht, Carlos Jerez-Hanckes, Michael Multerer



Evolving surfaces driven by stochastic PDEs

Annika Lang



Multilevel domain UQ in computational electromagnetics

Jakob Zech, Ruben Aylwin, Carlos Jerez-Hanckes, Christoph Schwab



Advantages of locality in random field representations for shape uncertainty quantification

Laura Scarabosio, Wouter van Harten

MS10 3: Optimization in Inverse Scattering: from Acoustics to X-rays
Location: VG1.103
Chair: Radu Ioan Bot
Chair: Russell Luke
 

Automated tight Lyapunov analysis for first-order methods

Manu Upadhyaya, Sebastian Banert, Adrien Taylor, Pontus Giselsson



Learned SVD for limited data inversion in PAT and X-ray CT

Markus Haltmeier, Johannes Schwab, Stephan Antholzer



Multiscale hierarchical decomposition methods for ill-posed problems

Tobias Wolf, Elena Resmerita, Stefan Kindermann



Scalable moment relaxations for graph-structured problems with values in a manifold: An optimal transport approach

Robin Kenis, Emanuel Laude, Panagiotis Patrinos

MS13 1: Stochastic iterative methods for inverse problems
Location: VG0.111
Chair: Tim Jahn
 

Beating the Saturation of the Stochastic Gradient Descent for Linear Inverse Problems

Bangti Jin, Zehui Zhou, Jun Zou



Early stopping of untrained convolutional networks

Tim Jahn, Bangti Jin



Stochastic mirror descent method for linear ill-posed problems in Banach spaces

Qinian Jin



Early stopping for spectral filter estimators regularized by projection

Alain Celisse, Samy Clementz

MS31 1: Inverse Problems in Elastic Media
Location: VG3.104
Chair: Andrea Aspri
Chair: Ekaterina Sherina
 

Hybrid Inverse Problems for Nonlinear Elasticity

Alden Waters, Hugo Carrillo-Lincopi



Quantitative reconstruction of viscoelastic media with attenuation model uncertainty.

Florian Faucher, Otmar Scherzer



An Intensity-based Inversion Method for Quasi-Static Optical Coherence Elastography

Ekaterina Sherina, Lisa Krainz, Simon Hubmer, Wolfgang Drexler, Otmar Scherzer



On the identification of cavities and inclusions in linear elasticity with a phase-field approach

Elena Beretta, Andrea Aspri, Marco Verani, Elisabetta Rocca, Cecilia Cavaterra

MS41 1: Geomathematics
Location: VG3.101
Chair: Joonas Ilmavirta
 

Geodesic X-ray tomography on manifolds of low regularity

Antti Kaleva Kykkänen



Invariance of the elastic wave equation in the context of Finsler geometry

Hjørdis Amanda Schlüter



Geometrization of inverse problems in seismology

Joonas Ilmavirta



Reconstruction of anisotropic stiffness tensors using algebraic geometry

Maarten de Hoop, Joonas Ilmavirta, Matti Lassas, Anthony Varilly-Alvarado

MS46 2: Inverse problems for nonlinear equations
Location: VG1.104
Chair: Lauri Oksanen
Chair: Teemu Kristian Tyni
 

Inverse source problems for nonlinear equations

Yi-Hsuan Lin



Inverse problem for the minimal surface equation and nonlinear CGO calculus in dimension 2

Tony Liimatainen



Inverse scattering problems for semi-linear wave equations on manifolds

Teemu Tyni, Spyros Alexakis, Hiroshi Isozaki, Matti Lassas



Determining a Lorentzian metric from the source-to-solution map for the relativistic Boltzmann equation

Tracey Balehowsky, Antti Kujanpaa, Matti Lassas, Tony Liimatainen



Determining Lorentzian manifold from non-linear wave observation at a single point

Medet Nursultanov

MS50 1: Mathematics and Magnetic Resonance Imaging
Location: VG1.105
Chair: Kristian Bredies
Chair: Christian Clason
Chair: Martin Uecker
 

Deep learning MR image reconstruction and task-based evaluation

Florian Knoll, Jinho Kim, Marc Vornehm, Vanya Saksena, Zhengguo Tan, Bernhard Kainz



Learning Fourier sampling schemes for MRI by density optimization

Alban Gossard, Frédéric de Gournay, Pierre Weiss



Acceleration strategies for Magnetic Resonance Spin Tomography in Time-Domain (MR‐STAT) reconstructions

Hongyan Liu, Oscar van der Heide, Mandija Stefano, Versteeg Edwin, Fuderer Miha, Cornelis A.T. van den Berg, Alessandro Sbrizzi



Learning Spatio-Temporal Regularization Parameter-Maps for Total Variation-Minimization Reconstruction in Dynamic Cardiac MRI

Andreas Kofler, Fabian Altekrüger, Fatima Antarou Ba, Christoph Kolbitsch, Evangelos Papoutsellis, David Schote, Clemens Sirotenko, Felix Frederik Zimmermann, Kostas Papafitsoros

MS59 1: Advanced Reconstruction and Phase Retrieval in Nano X-ray Tomography
Location: VG2.103
Chair: Tim Salditt
Chair: Anne Wald
 

Resolution of reconstruction from discrete Radon transform data

Alexander Katsevich



Deep Learning for Reconstruction in Nano CT

Alice Oberacker, Anne Wald, Bernadette Hahn-Rigaud, Tobias Kluth, Johannes Leuschner, Maximilian Schmidt, Thomas Schuster



Learned post-processing approaches for nano-CT reconstruction

Tom Lütjen, Fabian Schönfeld, Alice Oberacker, Maximilian Schmidt, Johannes Leuschner, Tobias Kluth, Anne Wald



X-ray phase and dark-field retrieval from propagation-based images, via the Fokker-Planck Equation

Kaye Susannah Morgan, Thomas Leatham, Mario Beltran, Jannis Ahlers, Samantha Alloo, Marcus Kitchen, Konstantin Pavlov, David Paganin

3:30pm
-
4:00pm
C9: Coffee Break
Location: ZHG Foyer
4:00pm
-
6:00pm
CT13: Contributed talks
Location: VG2.105
Chair: Martin Halla
 

Joint Born Inversion of Acoustic and Electromagnetic Wave fields

Anne V. de Wit, Tristan van Leeuwen, Felix Lucka, Dirk J. Verschuur, Koen W.A. van Dongen



Imaging of Gravity Dam-Foundation contact by a shape optimization method using non-destructive seismic waves

Mohamed Aziz Boukraa, Lorenzo Audibert, Marcella Bonazzoli, Houssem Haddar, Denis Vautrin



Structure inversions for sound speed differences in solar-like stars

Lynn Buchele, Earl Bellinger, Sarbani Basu, Saskia Hekker



Detection of geophysical structures using optical flow methodologies for potential data

Jose Antonio Ramoz León, Emilia Fregoso Becerra, Abel Palafox González

CT14: Contributed talks
Location: VG2.106
Chair: Housen Li
 

On accuracy and existence of approximate decoders for ill-posed inverse problems

Nina Maria Gottschling, Paolo Campodonico, Vegard Antun, Anders C. Hansen



Inverse problems and deep learning in epidemiology and social processes

Olga Krivorotko, Sergey Kabanikhin, Viktoriya Petrakova, Nikolay Zyatkov



Approximation with neural networks in Sobolev setting

Ahmed Abdeljawad

MS07 2: Regularization for Learning from Limited Data: From Theory to Medical Applications
Location: VG1.101
Chair: Markus Holzleitner
Chair: Sergei Pereverzyev
Chair: Werner Zellinger
 

Imbalanced data sets in a magnetic resonance imaging case study of preterm neonates: a strategy for identifying informative variables

Sergiy Pereverzyev Jr.



On Approximation for Multi-Source Domain Adaptation in the Space of Copulas

Priyanka Roy, Bernhard Moser, Werner Zellinger, Susanne Saminger-Platz



Learning segmentation on unlabeled MRI data using labeled CT data

Leon Frischauf



Parameter choice in distance-regularized domain adaptation

Werner Zellinger, Sergei V. Pereverzyev

MS08 2: Integral Operators in Potential Theory and Applications
Location: VG2.102
Chair: Doosung Choi
Chair: Mikyoung Lim
Chair: Stephen Shipman
 

Recovering an elastic inclusion using the shape derivative of the elastic moment tensors

Daehee Cho, Mikyoung Lim



Some aspects of the spectrum of the Neumann-Poincaré operator

Stephen Shipman



Spectrum of the Neumann-Poincaré operator on thin domains

Kazunori Ando, Hyeonbae Kang, Miyanishi Yoshihisa

MS10 4: Optimization in Inverse Scattering: from Acoustics to X-rays
Location: VG1.103
Chair: Radu Ioan Bot
Chair: Russell Luke
 

Phase retrieval from overexposed PSFs: theory and practice

Oleg Alexandrovich Soloviev



Tensor-free algorithms for lifted quadratic and bilinear inverse problems

Robert Beinert, Kristian Bredies



Implicit regularization via re-parametrization

Cesare Molinari

MS13 2: Stochastic iterative methods for inverse problems
Location: VG0.111
Chair: Tim Jahn
 

From inexact optimization to learning via gradient concentration

Bernhard Stankewitz, Nicole Mücke, Lorenzo Rosasco



Principal component analysis in infinite dimensions

Martin Wahl



Learning Linear Operators

Nicole Mücke



SGD for select inverse problems in Banach spaces

Zeljko Kereta, Bangti Jin

MS31 2: Inverse Problems in Elastic Media
Location: VG3.104
Chair: Andrea Aspri
Chair: Ekaterina Sherina
 

An inverse problem for the porous medium equation

Catalin Ion Carstea, Tuhin Ghosh, Gen Nakamura



Comparison of variational formulations for the direct solution of an inverse problem in linear elasticity

Paul E. Barbone, Olalekan Babaniyi

MS41 2: Geomathematics
Location: VG3.101
Chair: Joonas Ilmavirta
 

Inverse scattering: Regularized Lanczos method for the Lippmann-Schwinger equation

Justin Baker, Elena Cherkaev, Vladimir Druskin, Shari Moskow, Mikhail Zaslavsky



Travel Time Tomography in Transversely Isotropic Elasticity via Microlocal Analysis

Yuzhou Zou



An inverse source problem for the elasto-gravitational equations

Lorenzo Baldassari, Maarten V. de Hoop, Elisa Francini, Sergio Vessella

MS46 3: Inverse problems for nonlinear equations
Location: VG1.104
Chair: Lauri Oksanen
Chair: Teemu Kristian Tyni
MS50 2: Mathematics and Magnetic Resonance Imaging
Location: VG1.105
Chair: Kristian Bredies
Chair: Christian Clason
Chair: Martin Uecker
 

MRI Pulse Design via discrete-valued optimal control

Christian Clason



Null Space Networks for undersampled Fourier data

Markus Haltmeier



Deep Learning Approaches for Non-Linear Inverse Problems in MRI Reconstruction

Moritz Blumenthal, Guanxiong Luo, Martin Schilling, Martin Uecker



Mathematical Methods in Parallel MRI

Benjamin Kocurov

MS59 2: Advanced Reconstruction and Phase Retrieval in Nano X-ray Tomography
Location: VG2.103
Chair: Tim Salditt
Chair: Anne Wald
 

Multi-stage Deep Learning Artifact Reduction for Computed Tomography

Jiayang Shi, Daan Pelt, Joost Batenburg



Deep learning for phase retrieval from Fresnel diffraction patterns

Max Langer, Kannara Mom, Bruno Sixou



Time resolved and multi-resolution tomographic reconstruction strategies in practice.

Rajmund Mokso, Viktor Nikitin



Tomographic Reconstruction in X-ray Near-field Diffractive Imaging: from Laboratory $\mu$CT to Synchrotron Nano-Imaging

Tim Salditt

     

 
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