arXiv AI By Junxin Wang, Yingfeng Luo, Xiangchen Song, Weiqiao Shan, Runsong Zhao, Xinyu Liu, Shunjie Xing, Yifu Huo, Dingyang Lin, Qiuyu Gu, Yongyu Mu, Chenglong Wang, Changliang Li, Jingbo Zhu, Tong Xiao

PEAR: Adaptive Advantage Reshaping for Perception and Exploration in Large Vision-Language Models

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PEAR is an adaptive advantage reshaping method designed to improve perception and exploration in large vision‑language models. It builds on visual dependency as a base signal and adds an entropy‑based exploration gain only at high‑entropy positions, giving larger gains where visual dependency is lower. Experiments on Qwen2.5‑VL‑3B/7B demonstrate that PEAR outperforms baseline methods across multimodal reasoning benchmarks and achieves leading results on textual reasoning and general multimodal tasks.

Machine-generated by The Flow from the publisher's headline and feed description — not written or checked by a human. The full article lives at arXiv AI.

arXiv AI
Sep 17

Anchoring What Matters: A Dual-Level Learning Framework for Visually-Grounded Multimodal Reasoning

The paper introduces PIVOT, a dual-level learning framework designed to improve visually-grounded multimodal reasoning in large vision-language models. PIVOT employs a self‑calibrated experience replay mechanism to selectively reuse valuable visual reasoning trajectories, and a vision‑guided advantage allocation scheme that assigns extra rewards to tokens with strong visual support. Experiments on multiple benchmarks show that PIVOT enhances the multimodal reasoning performance of these models.

By Xinxin Song, Siyuan Li, Tingxiong Xiao, Jinli Suo
arXiv AI
Jun 3

Entropy Is Not Enough: Unlocking Effective Reinforcement Learning for Visual Reasoning via Vision-Anchored Token Selection

arXiv:2606. 03937v1 Announce Type: new Abstract: While token-level entropy is commonly recognized as effective for credit assignment in text-only reinforcement learning with verifiable rewards (RLVR), it remains unclear whether this mechanism still holds in visual reasoning.

By Senjie Jin, Peixin Wang, Boyang Liu, Xiaoran Fan, Shuo Li, Zhiheng Xi, Jiazheng Zhang, Yuhao Zhou, Tao Gui, Qi Zhang, Xuanjing Huang
arXiv Computer Vision
Oct 9

Look Back, Think Ahead: Visual Memory on Demand for Efficient Multimodal Reasoning

The paper introduces ViMoD, a lightweight framework that dynamically manages visual memory for multimodal large language models. ViMoD uses Deformable Aggregation of Region-wise Tokens (DART) to create content‑adaptive coarse representations linked to recoverable fine tokens, and Temporal Routing for Adaptive Contextual Evidence (TRACE) to anticipate and adjust evidence needs during reasoning. On the Qwen3‑VL‑4B model, ViMoD achieves superior performance across eight reasoning benchmarks with only a 20% visual token budget and minimal additional parameters.

By Yicheng Xue, Han Wu, Jufeng Yang, Minjing Dong, Xinghao Chen, Hanting Chen, Jianyuan Guo
arXiv Computer Vision
Aug 25

VIG: Visual Information Gain as a Reward Signal for Multimodal Chain-of-Thought Compression

The paper introduces VIG (Visual Information Gain), an information‑theoretic reward that evaluates each token in a multimodal chain‑of‑thought by measuring how much the image reduces its predictive uncertainty. VIG is computed online using two forward passes—one with and one without the image—eliminating the need for reference chains or external annotations. Experiments on six multimodal reasoning benchmarks and multiple Qwen3‑VL‑Thinking model sizes show that VIG consistently improves the accuracy–efficiency trade‑off, demonstrating that efficient multimodal reasoning arises from increasing visual information density rather than merely limiting chain length.

By Wen Luo, Xiaohan Yi, Xiaotao Huang, Liqun Huang