Author

Lars Ullrich

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Preprint Aug 2026

Inference-Time Attention Steering for Vision-Language-Action Driving Models

Vision-language-action (VLA) driving models couple a reasoning stage with a diffusion-based trajectory decoder, but do not give a direct way to redirect attention toward safety-critical actors at inference time without retraining. We studied a bounded additive pre-softmax attention bias on the visual tokens of detector...

D. Prasad, Lars Ullrich, Knut Graichen · 1 citation