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Yixiong Zou

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#artificial intelligence Preprint Sep 2026

MM-OPD: Towards One More Bottleneck Between Perception and Reasoning

Recent multimodal large language models (MLLMs) advance visual reasoning by strengthening both perception and reasoning, implicitly assuming a process that transitions seamlessly from perception to reasoning. However, we observe a counterintuitive phenomenon that challenges this assumption: holding the model, question,...

Jin-Tao Tong, Yujing Lou, Zhan-Ming Shen et al. · 0 citations
Preprint Sep 2026

Shallow to Deep: Aligning Token Pruning with Stage-wise Roles in LVLMs

Large Vision-Language Models (LVLMs) incur high computational costs from redundant visual tokens. Although training-free attention-based multi-layer pruning in the vision encoder stage has been explored as an effective strategy, we find that pruning in shallow layers consistently degrades performance. In this paper, we...

Shuo Zhang, Jin-Tao Tong, Yixiong Zou et al. · 0 citations
Preprint Sep 2026

When Fusion Fails: Corruption-Aware Rebalanced Fusion for Multi-Modal Medical Image Segmentation

Multi-modal medical image segmentation leverages complementary diagnostic information, yet fusion can underperform single-modality baselines when spatially aligned inputs differ in quality. Here,"corruption"primarily denotes resolution-induced degradation rather than misalignment or complete modality absence, while syn...

Yu-Chen Pei, Xiao-Yu Hu, Yixiong Zou et al. · 0 citations
Open access Jul 2026

Alleviating Regional Shortcuts for Few-Shot Class-Incremental Learning

Few-shot class-incremental learning (FSCIL) aims to incrementally learn novel classes with only a few samples while avoiding forgetting base classes. However, current methods show a tendency to misclassify novel-class samples into base classes, which we find to be caused by the excessive focus on base-class-discriminat...

Haichen Zhou, Y. Lyu, Yixiong Zou et al. · 0 citations

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