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F. Krause

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#machine learning Preprint Sep 2026

Improved Distributional Diffusion Models

A stochastic few-step generator whose FID does not degrade as the sampling budget grows from 4 to 50 NFE, and the same recipe transfers to text-to-image generation.

Tommaso Martorella, Alexandre Galashov, F. Krause et al. · 1 citation
#artificial intelligence Preprint Sep 2026

Logit Refiner: Improving Visual Autoregressive Models via Intra-Scale Dependency Modeling

The Logit Refiner is introduced, a lightweight autoregressive module that restores intra-scale dependencies by sequentially sampling tokens conditioned on frozen backbone features and generalizes to text-to-image generation, confirming that the mean-field bottleneck persists across VAR variants and is effectively allev...

Meimingwei Li, S. Baumann, F. Krause et al. · 0 citations
Preprint Aug 2026

Concept Guidance: Precise, Training-Free Latent Control for Text-to-Image Generation

A novel notion of concept-wise mutual information is introduced and large, concept-dependent differences between individual layers are found, demonstrating that the generation of specific structures is localized in distinct parts of the network.

Nikolai Röhrich, Isabell Hans, F. Krause et al. · 0 citations

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