Author

Wen-Xu Wang

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Preprint Sep 2026

What Do Hallucinations Reveal About Multimodal Reasoning? Diagnosing Visual Grounding Failures via Contrastive Decoding Probes

When strong multimodal models are widely available, progress requires new scientific methodologies beyond benchmark scores---using models as instruments for understanding behavior. We address this by asking: can we use large vision-language models (LVLMs) as experimental instruments for studying their own failure dynam...

Zhi-Peng Zhao, Wen-Xu Wang, Peishun Liu et al. · 0 citations

Sep 2026

Toward Improving Stochastic Neural Network Robustness via Arbitrary Distribution Injection.

Adversarial attacks pose significant challenges to the security and robustness of deep-learning models. Stochastic neural networks (SNNs) have shown promising effectiveness in improving robustness by injecting stochastic noise into model activations, features, or weights. However, most existing SNN-based defenses rely...

Rui Zhou, Hao Yang, Wen-Xu Wang et al. · IEEE Transactions on Neural... · 0 citations