Wasserstein Equilibrium Decoding for Reliable Medical Visual Question Answering

In three linesGame-theoretic decoding method for small vision-language models (2-8B) in medical imaging. Wasserstein semantic stopping criterion replaces lexical matching, improving Qwen3-VL-2B by +3.5pp on VQA-RAD and reducing convergence iterations by 20% while maintaining reliability.

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