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Nanyang Normal University

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Representative Papers

On Twisted Roth-Lempel Codes

Sep 15, 2026

本文研究了一类扭曲的Roth-Lempel码,探讨了其最小距离、MDS和NMDS性质,并证明了这些码不同于传统的Roth-Lempel码。

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Rethinking Visual Neglect: Steering via Context-Preference for MLLM Hallucination Mitigation

May 27, 2026

This work addresses the common misattribution of object hallucination in multimodal large language models to visual neglect. The authors propose a training-free, inference-time intervention framework that finely modulates the model’s reliance on visual context versus parametric knowledge through a contextual preference vector and a single-step residual injection mechanism applied at intermediate MLP layers. By integrating Contextual Preference Activation Steering (CAS) with carefully designed conflict samples, the method effectively mitigates object hallucinations without increasing decoding latency or compromising text generation quality, achieving a significant reduction in hallucination rates.

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Latest Papers

On Twisted Roth-Lempel Codes

Sep 15, 2026

本文研究了一类扭曲的Roth-Lempel码,探讨了其最小距离、MDS和NMDS性质,并证明了这些码不同于传统的Roth-Lempel码。

0 citationsRead paper

Rethinking Visual Neglect: Steering via Context-Preference for MLLM Hallucination Mitigation

May 27, 2026

This work addresses the common misattribution of object hallucination in multimodal large language models to visual neglect. The authors propose a training-free, inference-time intervention framework that finely modulates the model’s reliance on visual context versus parametric knowledge through a contextual preference vector and a single-step residual injection mechanism applied at intermediate MLP layers. By integrating Contextual Preference Activation Steering (CAS) with carefully designed conflict samples, the method effectively mitigates object hallucinations without increasing decoding latency or compromising text generation quality, achieving a significant reduction in hallucination rates.

0 citationsRead paper