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The dominant paradigm of monolithic scaling in Vision-Language Models (VLMs) is failing for understanding and reasoning in documents, yielding diminishing returns as it struggles with the inherent need of this domain for document-based…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Xinlei Yu , Chengming Xu , Zhangquan Chen , Yudong Zhang , Shilin Lu , Cheng Yang , Jiangning Zhang , Shuicheng Yan , Xiaobin Hu

Verifiers--functions assigning rewards to agent behavior--have been key to AI progress in math, code, and games. However, extending gains to domains without clear-cut success criteria remains a challenge: while humans can recognize desired…

Artificial Intelligence · Computer Science 2026-03-10 Moises Andrade , Joonhyuk Cha , Brandon Ho , Vriksha Srihari , Karmesh Yadav , Zsolt Kira

Post-training is essential for enabling large language models (LLMs) to follow human instructions. However, its effectiveness depends on high-quality instruction data, which is challenging to obtain in the real world due to privacy…

Artificial Intelligence · Computer Science 2025-02-21 Shuo Tang , Xianghe Pang , Zexi Liu , Bohan Tang , Rui Ye , Tian Jin , Xiaowen Dong , Yanfeng Wang , Siheng Chen

Multimodal large language models (MLLMs) show promise in tasks like visual question answering (VQA) but still face challenges in multimodal reasoning. Recent works adapt agentic frameworks or chain-of-thought (CoT) reasoning to improve…

Artificial Intelligence · Computer Science 2025-03-12 Zhuo Zhi , Chen Feng , Adam Daneshmend , Mine Orlu , Andreas Demosthenous , Lu Yin , Da Li , Ziquan Liu , Miguel R. D. Rodrigues

Multimodal Large Language Models (MLLMs) are evolving from passive observers into active agents, solving problems through Visual Expansion (invoking visual tools) and Knowledge Expansion (open-web search). However, existing evaluations fall…

Artificial Intelligence · Computer Science 2026-04-06 Qianshan Wei , Yishan Yang , Siyi Wang , Jinglin Chen , Binyu Wang , Jiaming Wang , Shuang Chen , Zechen Li , Yang Shi , Yuqi Tang , Weining Wang , Yi Yu , Chaoyou Fu , Qi Li , Yi-Fan Zhang

Large Language Model (LLM) agents have developed rapidly in recent years to solve complex real-world problems using external tools. However, the scarcity of high-quality trajectories still hinders the development of stronger LLM agents.…

Artificial Intelligence · Computer Science 2025-12-08 Chen Yang , Ran Le , Yun Xing , Zhenwei An , Zongchao Chen , Wayne Xin Zhao , Yang Song , Tao Zhang

While vision-language models (VLMs) have demonstrated remarkable performance across various tasks combining textual and visual information, they continue to struggle with fine-grained visual perception tasks that require detailed…

Computation and Language · Computer Science 2025-11-12 Zhehao Zhang , Ryan Rossi , Tong Yu , Franck Dernoncourt , Ruiyi Zhang , Jiuxiang Gu , Sungchul Kim , Xiang Chen , Zichao Wang , Nedim Lipka

We present a Collaborative Agent-Based Framework for Multi-Image Reasoning. Our approach tackles the challenge of interleaved multimodal reasoning across diverse datasets and task formats by employing a dual-agent system: a language-based…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Angelos Vlachos , Giorgos Filandrianos , Maria Lymperaiou , Nikolaos Spanos , Ilias Mitsouras , Vasileios Karampinis , Athanasios Voulodimos

Multi-agent systems have evolved into practical LLM-driven collaborators for many applications, gaining robustness from diversity and cross-checking. However, multi-agent RL (MARL) training is resource-intensive and unstable: co-adapting…

A key trend in Large Reasoning Models (e.g., OpenAI's o3) is the native agentic ability to use external tools such as web browsers for searching and writing/executing code for image manipulation to think with images. In the open-source…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Ziyu Liu , Yuhang Zang , Yushan Zou , Zijian Liang , Xiaoyi Dong , Yuhang Cao , Haodong Duan , Dahua Lin , Jiaqi Wang

Agentic reinforcement learning has advanced large language models (LLMs) to reason through long chain-of-thought trajectories while interleaving external tool use. Existing approaches assume a fixed inventory of tools, limiting LLM agents'…

Computation and Language · Computer Science 2025-12-16 Jiaru Zou , Ling Yang , Yunzhe Qi , Sirui Chen , Mengting Ai , Ke Shen , Jingrui He , Mengdi Wang

Recent advancements extend Multimodal Large Language Models (MLLMs) beyond standard visual question answering to utilizing external tools for advanced visual tasks. Despite this progress, precisely executing and effectively composing…

Artificial Intelligence · Computer Science 2026-03-20 Xuanyu Zhu , Yuhao Dong , Rundong Wang , Yang Shi , Zhipeng Wu , Yinlun Peng , YiFan Zhang , Yihang Lou , Yuanxing Zhang , Ziwei Liu , Yan Bai , Yuan Zhou

Multimodal Large Language Models (MLLMs) have recently been applied to universal multimodal retrieval, where Chain-of-Thought (CoT) reasoning improves candidate reranking. However, existing approaches remain largely language-driven, relying…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Dongyang Chen , Chaoyang Wang , Dezhao Su , Xi Xiao , Zeyu Zhang , Jing Xiong , Qing Li , Yuzhang Shang , Shichao Kan

We present GLM-5V-Turbo, a step toward native foundation models for multimodal agents. As foundation models are increasingly deployed in real environments, agentic capability depends not only on language reasoning, but also on the ability…

Traditional enterprises face significant challenges in processing business documents, where tasks like extracting transport references from invoices remain largely manual despite their crucial role in logistics operations. While Large…

Computation and Language · Computer Science 2024-12-23 Jiale Liu , Yifan Zeng , Malte Højmark-Bertelsen , Marie Normann Gadeberg , Huazheng Wang , Qingyun Wu

Open-source pre-trained Large Language Models (LLMs) exhibit strong language understanding and generation capabilities, making them highly successful in a variety of tasks. However, when used as agents for dealing with complex problems in…

Computation and Language · Computer Science 2024-04-01 Qinhao Zhou , Zihan Zhang , Xiang Xiang , Ke Wang , Yuchuan Wu , Yongbin Li

Predicting the near-term behavior of a reactive agent is crucial in many robotic scenarios, yet remains challenging when observations of that agent are sparse or intermittent. Vision-Language Models (VLMs) offer a promising avenue by…

Vision-language-action (VLA) models are effective robot action executors, but they remain limited on long-horizon tasks due to the dual burden of extended closed-loop planning and diverse physical operations. We therefore propose…

Robotics · Computer Science 2026-05-14 Zixing Lei , Changxing Liu , Yichen Xiong , Minhao Xiong , Yuanzhuo Ding , Zhipeng Zhang , Weixin Li , Siheng Chen

Existing pipelines for vision-language models (VLMs) in robotic manipulation prioritize broad semantic generalization from images and language, but typically omit execution-critical parameters required for contact-rich actions in…

Robotics · Computer Science 2025-12-15 Suchang Chen , Daqiang Guo

Solving complex, long-horizon robotic manipulation tasks requires a deep understanding of physical interactions, reasoning about their long-term consequences, and precise high-level planning. Vision-Language Models (VLMs) offer a general…

Robotics · Computer Science 2026-02-24 Yanting Yang , Shenyuan Gao , Qingwen Bu , Li Chen , Dimitris N. Metaxas