A geometric embedding approach to multiple games and multiple populations

B Boll, J Cassel, P Albers, S Petra… - arXiv preprint arXiv …, 2024 - arxiv.org
This paper studies a meta-simplex concept and geometric embedding framework for multi-
population replicator dynamics. Central results are two embedding theorems which …

Assignment flows

C Schnörr - Handbook of Variational Methods for Nonlinear …, 2020 - Springer
Assignment flows comprise basic dynamical systems for modeling data labeling and related
machine learning tasks in supervised and unsupervised scenarios. They provide adaptive …

Assignment flows for data labeling on graphs: convergence and stability

A Zern, A Zeilmann, C Schnörr - Information Geometry, 2022 - Springer
The assignment flow recently introduced in the J. Math. Imaging and Vision 58/2 (2017)
constitutes a high-dimensional dynamical system that evolves on a statistical product …

Continuous-domain assignment flows

F Savarino, C Schnörr - European Journal of Applied Mathematics, 2021 - cambridge.org
Assignment flows denote a class of dynamical models for contextual data labelling
(classification) on graphs. We derive a novel parametrisation of assignment flows that …

Self-assignment flows for unsupervised data labeling on graphs

M Zisler, A Zern, S Petra, C Schnörr - SIAM Journal on Imaging Sciences, 2020 - SIAM
This paper extends the recently introduced assignment flow approach for supervised image
labeling to unsupervised scenarios where no labels are given. The resulting self-assignment …

Assignment flow for order-constrained OCT segmentation

D Sitenko, B Boll, C Schnörr - International Journal of Computer Vision, 2021 - Springer
At the present time optical coherence tomography (OCT) is among the most commonly used
non-invasive imaging methods for the acquisition of large volumetric scans of human retinal …

Unsupervised assignment flow: Label learning on feature manifolds by spatially regularized geometric assignment

A Zern, M Zisler, S Petra, C Schnörr - Journal of Mathematical Imaging …, 2020 - Springer
This paper introduces the unsupervised assignment flow that couples the assignment flow
for supervised image labeling (Åström et al. in J Math Imaging Vis 58 (2): 211–238, 2017) …

Quantum state assignment flows

J Schwarz, J Cassel, B Boll, M Gärttner, P Albers… - Entropy, 2023 - mdpi.com
This paper introduces assignment flows for density matrices as state spaces for
representation and analysis of data associated with vertices of an underlying weighted …

A Nonlocal Graph-PDE and Higher-Order Geometric Integration for Image Labeling

D Sitenko, B Boll, C Schnörr - SIAM Journal on Imaging Sciences, 2023 - SIAM
This paper introduces a novel nonlocal partial difference equation (G-PDE) for labeling
metric data on graphs. The G-PDE is derived as a nonlocal reparametrization of the …

Sigma Flows for Image and Data Labeling and Learning Structured Prediction

J Cassel, B Boll, S Petra, P Albers… - arXiv preprint arXiv …, 2024 - arxiv.org
This paper introduces the sigma flow model for the prediction of structured labelings of data
observed on Riemannian manifolds, including Euclidean image domains as special case …