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State-of-the-art large multi-modal models (LMMs) face challenges when processing high-resolution images, as these inputs are converted into enormous visual tokens, many of which are irrelevant to the downstream task. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Xinyu Huang , Yuhao Dong , Weiwei Tian , Bo Li , Rui Feng , Ziwei Liu

Recent advances in vision-language models (VLMs) have demonstrated strong generalization in natural image tasks. However, their performance often degrades on unmanned aerial vehicle (UAV)-based aerial imagery, which features high…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Jiajin Guan , Haibo Mei , Bonan Zhang , Dan Liu , Yuanshuang Fu , Yue Zhang

Humans constantly reason about 3D proximity, the relations between their body and surrounding objects, to guide perception and action in daily life. Whether multimodal large language models (MLLMs) can perform such embodied 3D reasoning…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Jinzhao Li , Yinuo Chen , Dongxu Piao , Panwang Pan , Yifan Yu , Dong Wang , Honglei Yan , Liang Yue , Shaofei Wang , Yixin Chen , Siyuan Huang , Miao Liu

Estimating 3D human motion from an egocentric video sequence plays a critical role in human behavior understanding and has various applications in VR/AR. However, naively learning a mapping between egocentric videos and human motions is…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Jiaman Li , C. Karen Liu , Jiajun Wu

Locating human-object interaction (HOI) actions within video serves as the foundation for multiple downstream tasks, such as human behavior analysis and human-robot skill transfer. Current temporal action localization methods typically rely…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Erhang Zhang , Junyi Ma , Yin-Dong Zheng , Yixuan Zhou , Hesheng Wang

Humans can perceive and understand 3D space and long videos from sequential visual observations. But do vision-language models (VLMs) can? Recent work demonstrates that even state-of-the-art VLMs still struggle to understand 3D space and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Shuai Wang , Daoan Zhang , Tianyi Bai , Shitong Shao , Jiebo Luo , Jiaheng Wei

Recent advances in text-only "slow-thinking" reasoning have prompted efforts to transfer this capability to vision-language models (VLMs), for training visual reasoning models (\textbf{VRMs}). owever, such transfer faces critical…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Pu Jian , Junhong Wu , Wei Sun , Chen Wang , Shuo Ren , Jiajun Zhang

Accurate and reliable ego-localization is critical for autonomous driving. In this paper, we present EgoVM, an end-to-end localization network that achieves comparable localization accuracy to prior state-of-the-art methods, but uses…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Yuzhe He , Shuang Liang , Xiaofei Rui , Chengying Cai , Guowei Wan

Vision-language agents have achieved remarkable progress in a variety of multimodal reasoning tasks; however, their learning remains constrained by the limitations of human-annotated supervision. Recent self-rewarding approaches attempt to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Jiaqi Liu , Kaiwen Xiong , Peng Xia , Yiyang Zhou , Haonian Ji , Lu Feng , Siwei Han , Mingyu Ding , Huaxiu Yao

Automating optimization modeling with LLMs is a promising path toward scalable decision intelligence, but existing approaches either rely on agentic pipelines built on closed-source LLMs with high inference latency, or fine-tune smaller…

Artificial Intelligence · Computer Science 2026-04-02 Runda Guan , Xiangqing Shen , Jiajun Zhang , Yifan Zhang , Jian Cheng , Rui Xia

Multimodal large language models (MLLMs) are increasingly considered as a foundation for embodied agents, yet it remains unclear whether they can reliably reason about the long-term physical consequences of actions from an egocentric…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Chengjun Yu , Xuhan Zhu , Chaoqun Du , Pengfei Yu , Wei Zhai , Yang Cao , Zheng-Jun Zha

The enhancement of generalization in robots by large vision-language models (LVLMs) is increasingly evident. Therefore, the embodied cognitive abilities of LVLMs based on egocentric videos are of great interest. However, current datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Ronghao Dang , Yuqian Yuan , Wenqi Zhang , Yifei Xin , Boqiang Zhang , Long Li , Liuyi Wang , Qinyang Zeng , Xin Li , Lidong Bing

Reinforcement Learning with Verifiable Rewards (RLVR) has proven to be a highly effective strategy for endowing Large Language Models (LLMs) with robust multi-step reasoning abilities. However, its design and optimizations remain tailored…

Computation and Language · Computer Science 2026-04-15 Zhenhailong Wang , Xuehang Guo , Sofia Stoica , Haiyang Xu , Hongru Wang , Hyeonjeong Ha , Xiusi Chen , Yangyi Chen , Ming Yan , Fei Huang , Heng Ji

Large language models (LLMs) have shown remarkable text understanding capabilities, which have been extended as Video LLMs to handle video data for comprehending visual details. However, existing Video LLMs can only provide a coarse…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Bin Huang , Xin Wang , Hong Chen , Zihan Song , Wenwu Zhu

Vision--language models (VLMs) are increasingly aligned via Group Relative Policy Optimization (GRPO)-style training. However, relying solely on terminal outcome rewards yields sparse credit assignment in multi-step reasoning, weakening the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Feiding , Yongkang Zhang , Yuhao Liao , Zijian Zeng , Chunzheng Zhu , Yaozong Zheng , Yafei Liu , Yeling Peng , Youwei Wang , Sibo Wang , Huiming Yang , Linglin Liao , Shunzhi Yang

Improving and understanding the training dynamics and reasoning of Large Language Models (LLMs) has become essential for their deployment in AI-based security tools, such as software vulnerability detection. In this work, we present an…

Cryptography and Security · Computer Science 2025-07-08 Marco Simoni , Aleksandar Fontana , Giulio Rossolini , Andrea Saracino

Large Language Model (LLM)-based Vision-Language Models (VLMs) have substantially extended the boundaries of visual understanding capabilities. However, their high computational demands hinder deployment on resource-constrained edge…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Haotong Qin , Cheng Hu , Michele Magno

Recently, reasoning-based MLLMs have achieved a degree of success in generating long-form textual reasoning chains. However, they still struggle with complex tasks that necessitate dynamic and iterative focusing on and revisiting of visual…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Chaoya Jiang , Yongrui Heng , Wei Ye , Han Yang , Haiyang Xu , Ming Yan , Ji Zhang , Fei Huang , Shikun Zhang

In this report, we propose a video-language pretraining (VLP) based solution \cite{kevin2022egovlp} for the EPIC-KITCHENS-100 Multi-Instance Retrieval (MIR) challenge. Especially, we exploit the recently released Ego4D dataset…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Kevin Qinghong Lin , Alex Jinpeng Wang , Rui Yan , Eric Zhongcong Xu , Rongcheng Tu , Yanru Zhu , Wenzhe Zhao , Weijie Kong , Chengfei Cai , Hongfa Wang , Wei Liu , Mike Zheng Shou

Embodied planning requires agents to make coherent multi-step decisions based on dynamic visual observations and natural language goals. While recent vision-language models (VLMs) excel at static perception tasks, they struggle with the…

Artificial Intelligence · Computer Science 2025-07-15 Di Wu , Jiaxin Fan , Junzhe Zang , Guanbo Wang , Wei Yin , Wenhao Li , Bo Jin