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math.OC2025
Unsupervised Ground Metric Learning
Janis Auffenberg, Jonas Bresch, Oleh Melnyk +1
Data classification without access to labeled samples remains a challenging problem. It usually depends on an appropriately chosen distance between features, a topic addressed in m…
math.OC2025
Denoising Multi-Color QR Codes and Stiefel-Valued Data by Relaxed Regularizations
Robert Beinert, Jonas Bresch
The handling of manifold-valued data, for instance, plays a central role in color restoration tasks relying on circle- or sphere-valued color models, in the study of rotational or…