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Spatial understanding remains a weakness of Large Vision-Language Models (LVLMs). Existing supervised fine-tuning (SFT) and recent reinforcement learning with verifiable rewards (RLVR) pipelines depend on costly supervision, specialized…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Yuhong Liu , Beichen Zhang , Yuhang Zang , Yuhang Cao , Long Xing , Xiaoyi Dong , Haodong Duan , Dahua Lin , Jiaqi Wang

Reinforcement Learning with Verifiable Rewards~(RLVR) has become a prominent paradigm to enhance the capabilities (i.e.\ long-context) of Large Language Models~(LLMs). However, it often relies on gold-standard answers or explicit evaluation…

Computation and Language · Computer Science 2026-03-03 Yao Xiao , Lei Wang , Yue Deng , Guanzheng Chen , Ziqi Jin , Jung-jae Kim , Xiaoli Li , Roy Ka-wei Lee , Lidong Bing

Visual reasoning, a cornerstone of human intelligence, encompasses complex perceptual and logical processes essential for solving diverse visual problems. While advances in computer vision have produced powerful models for various…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Zetong Zhou , Dongping Chen , Zixian Ma , Zhihan Hu , Mingyang Fu , Sinan Wang , Yao Wan , Zhou Zhao , Ranjay Krishna

The "Thinking with Text" and "Thinking with Images" paradigms significantly improve the reasoning abilities of large language models (LLMs) and Vision-Language Models (VLMs). However, these paradigms have inherent limitations. (1) Images…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Jingqi Tong , Yurong Mou , Hangcheng Li , Mingzhe Li , Yongzhuo Yang , Ming Zhang , Qiguang Chen , Tianyi Liang , Xiaomeng Hu , Yining Zheng , Xinchi Chen , Jun Zhao , Xuanjing Huang , Xipeng Qiu

The rapid progress of large language models (LLMs) has laid the foundation for multimodal models. However, visual language models (VLMs) still face heavy computational costs when extended from images to videos due to high frame rates and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Peiran Wu , Zhuorui Yu , Yunze Liu , Chi-Hao Wu , Enmin Zhou , Junxiao Shen

Recently spatial-temporal intelligence of Visual-Language Models (VLMs) has attracted much attention due to its importance for autonomous driving, embodied AI and general AI. Existing spatial-temporal benchmarks mainly focus on egocentric…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Qinghongbing Xie , Zhaoyuan Xia , Feng Zhu , Lijun Gong , Ziyue Li , Rui Zhao , Long Zeng

Although many video prediction methods have obtained good performance in low-resolution (64$\sim$128) videos, predictive models for high-resolution (512$\sim$4K) videos have not been fully explored yet, which are more meaningful due to the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Zheng Chang , Xinfeng Zhang , Shanshe Wang , Siwei Ma , Wen Gao

Temporal Video Grounding (TVG), the task of locating specific video segments based on language queries, is a core challenge in long-form video understanding. While recent Large Vision-Language Models (LVLMs) have shown early promise in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Ye Wang , Ziheng Wang , Boshen Xu , Yang Du , Kejun Lin , Zihan Xiao , Zihao Yue , Jianzhong Ju , Liang Zhang , Dingyi Yang , Xiangnan Fang , Zewen He , Zhenbo Luo , Wenxuan Wang , Junqi Lin , Jian Luan , Qin Jin

In the field of multimodal chain-of-thought (CoT) reasoning, existing approaches predominantly rely on reasoning on pure language space, which inherently suffers from language bias and is largely confined to math or science domains. This…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Jiacong Wang , Zijian Kang , Haochen Wang , Haiyong Jiang , Jiawen Li , Bohong Wu , Ya Wang , Jiao Ran , Xiao Liang , Chao Feng , Jun Xiao

Multimodal Large Language Models (MLLMs) face significant computational overhead when processing long videos due to the massive number of visual tokens required. To improve efficiency, existing methods primarily reduce redundancy by pruning…

Artificial Intelligence · Computer Science 2026-05-22 Bingjun Luo , Tony Wang , Chaoqi Chen , Xinpeng Ding

Reinforcement learning (RL) as post-training is crucial for enhancing the reasoning ability of large language models (LLMs) in coding and math. However, their capacity for visual semantic arithmetic, inferring relationships from images,…

Artificial Intelligence · Computer Science 2026-04-22 Chuou Xu , Liya Ji , Qifeng Chen

Recent breakthroughs in reasoning language models have significantly advanced text-based reasoning. On the other hand, Multi-modal Large Language Models (MLLMs) still lag behind, hindered by their outdated internal LLMs. Upgrading these…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yunhao Gou , Kai Chen , Zhili Liu , Lanqing Hong , Xin Jin , Zhenguo Li , James T. Kwok , Yu Zhang

The spatial reasoning task aims to reason about the spatial relationships in 2D and 3D space, which is a fundamental capability for Visual Question Answering (VQA) and robotics. Although vision language models (VLMs) have developed rapidly…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Xun Liang , Xin Guo , Zhongming Jin , Weihang Pan , Penghui Shang , Deng Cai , Binbin Lin , Jieping Ye

Despite significant recent progress of Multimodal Large Language Models (MLLMs), current MLLMs are challenged by "spatio-temporal" prompts, i.e., prompts that refer to 1) the entirety of an environment encoded in a point cloud that the MLLM…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Haozhen Zheng , Beitong Tian , Mingyuan Wu , Zhenggang Tang , Klara Nahrstedt , Alex Schwing

Predicting and reasoning how a video would make a human feel is crucial for developing socially intelligent systems. Although Multimodal Large Language Models (MLLMs) have shown impressive video understanding capabilities, they tend to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Yuxiang Guo , Faizan Siddiqui , Yang Zhao , Rama Chellappa , Shao-Yuan Lo

Spatio-temporal reasoning is a remarkable capability of Vision Language Models (VLMs), but the underlying mechanisms of such abilities remain largely opaque. We postulate that visual/geometrical and textual representations of spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Raphi Kang , Hongqiao Chen , Georgia Gkioxari , Pietro Perona

The capabilities of Large Vision-Language Models (LVLMs) have reached state-of-the-art on many visual reasoning tasks, including chart reasoning, yet they still falter on out-of-distribution (OOD) data, and degrade further when asked to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Sanchit Sinha , Oana Frunza , Kashif Rasul , Yuriy Nevmyvaka , Aidong Zhang

Despite the prosperity of the video language model, the current pursuit of comprehensive video reasoning is thwarted by the inherent spatio-temporal incompleteness within individual videos, resulting in hallucinations and inaccuracies. A…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Zhihao He , Tianyao He , Yun Xu , Tieyuan Chen , Huabin Liu , Chaofan Gan , Zuxuan Wu , Weiyao Lin

Recent advancements in Large Language Models (LLMs) and their multimodal extensions (MLLMs) have substantially enhanced machine reasoning across diverse tasks. However, these models predominantly rely on pure text as the medium for both…

Machine Learning · Computer Science 2026-02-23 Yi Xu , Chengzu Li , Han Zhou , Xingchen Wan , Caiqi Zhang , Anna Korhonen , Ivan Vulić

Applying Reinforcement Learning (RL) to Video Large Language Models (Video-LLMs) shows significant promise for complex video reasoning. However, popular Reinforcement Fine-Tuning (RFT) methods, such as outcome-based Group Relative Policy…

Computation and Language · Computer Science 2025-05-27 Yunxin Li , Xinyu Chen , Zitao Li , Zhenyu Liu , Longyue Wang , Wenhan Luo , Baotian Hu , Min Zhang