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Thomas Hofmann

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#artificial intelligence Preprint Sep 2026

DR-net-Mamba: Selective State-Space Modeling for Long-Range ECG Time-Series Denoising

A Mamba-augmented model is proposed that inserts selective state-space blocks at the convolutional bottleneck, combining local feature extraction with long-range temporal modeling at linear complexity, and substantially improves ST/T-change diagnoses, which depend on broad, context-sensitive waveforms.

Basile Morel, Samuel Ruipérez-Campillo, Andreas P. Streich et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Cyclostationary Phase Conditioning for Medical Time Series Diffusion

Across modalities, the results show that explicitly encoding measurable cyclic structure improves physiological time-series restoration and proposes antithetic coupling of reverse trajectories to reduce sampling variance while achieving comparable performance with fivefold fewer network evaluations.

Samuel Ruipérez-Campillo, Michele Copetti, Jorge da Silva Goncalves et al. · 1 citation

What Does a Discrete Diffusion Model Learn?

This framework identifies which law each loss in the literature actually optimizes, recovering MDM, UDM, SEDD, and GIDD as special cases; explains why denoiser and cavity coincide for masked diffusion but not for uniform diffusion; proves that a denoiser parameterization makes the uniform ELBO diverge at initialization...

Rodrigo Casado Noguerales, B. Schölkopf, Thomas Hofmann et al. · 1 citation

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