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Sungeun Hong

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#artificial intelligence Preprint Oct 2026

Relevant Evidence Decoding for Audio-Visual Hallucination Mitigation

Audio-Visual Large Language Models (AV-LLMs) remain prone to cross-modal hallucinations, where one modality incorrectly affects predictions about another. Although contrastive decoding reduces hallucinations in vision-language models, its direct extension to AV-LLMs overlooks a key challenge: different questions requir...

Hyunjae Ra, Aecheon Jung, Jungin Park et al. · 0 citations
Preprint Sep 2026

Not Every Correction Helps: Gain-Guided Continual Test-Time Adaptation

Continual test-time adaptation (CTTA) adapts a source model to an unlabeled test stream whose distribution may change over time. Existing TTA methods often assess prediction reliability using confidence or entropy, which primarily reflect the model's self-certainty for the current sample. In CTTA, accumulated target ob...

You-Jia Zhang, Hui-Ling Liu, Soyun Choi et al. · 0 citations
Preprint Aug 2026

Deferred Audio Pruning with Local Audio-Visual Dynamics for Omni-LLMs

This work proposes A-PACK, a two-stage framework that defers audio pruning until query-conditioned multimodal interactions emerge inside the LLM, and shows that audio exhibits higher task-relevant information density and representational diversity per token than video.

Kyeong-Jae Lee, Hongyeob Kim, Youngeun Kim et al. · 2 citations

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