Author

Udo Schlegel

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Preprint Aug 2026

IMFACT: Counterfactual Explanations for Time Series via Intrinsic Mode Function Substitution

Oscillatory signals, such as vibration, carry class-discriminative information in specific frequency bands; perturbing them in raw feature space for counterfactual analysis easily destroys their temporal structure and produces physically implausible results. In this work, we introduce IMFACT (IMF-based counterfACTuals)...

Udo Schlegel, Julian Rakuschek, Thomas Seidl et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Vision-Language-Guided Pseudo-Labels for Unsupervised Domain Adaptation in Semantic Segmentation for Waste Sorting

It is demonstrated that pseudo-label quality, not quantity, is a decisive factor in self-training under domain shift, and that cross-modal language grounding offers a practical path to reliable automatic annotation in deployment-critical applications.

Udo Schlegel, Shubhangi, Gabriel Dax et al. · 0 citations