Author

Vera Demberg

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#artificial intelligence Preprint Sep 2026

Do Motion Tokenizers for Co-Speech Gesture Generation Encode Gesture Semantics?

Discrete motion tokenizers encode motion as atomic units and are widely used for co-speech gesture generation. It remains unclear which motion properties, especially those relevant to gesture semantics, are recoverable from these codebooks. We probe a reconstruction-trained codebook using 19 co-speech gesture descripto...

Varsha Suresh, Divij Jain, Jia Liu et al. · 0 citations

Preprint Aug 2026

PragMatch: Separating Pragmatic Incongruity from Cross-Modal Mismatch in Large Vision-Language Models

The results show that LVLM predictions are sensitive to lexical, OCR-derived and stylistic cues, with injected surface signals causing substantial changes in model predictions despite unchanged underlying image-text relationships.

Zhanna Mukhametsharip, Vera Demberg, Varsha Suresh Saarland University et al. · 0 citations