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Understanding hour-long videos with multi-modal large language models (MM-LLMs) enriches the landscape of human-centered AI applications. However, for end-to-end video understanding with LLMs, uniformly sampling video frames results in LLMs…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Xinye Cao , Hongcan Guo , Jiawen Qian , Guoshun Nan , Chao Wang , Yuqi Pan , Tianhao Hou , Xiaojuan Wang , Yutong Gao

With recent advancements in video backbone architectures, combined with the remarkable achievements of large language models (LLMs), the analysis of long-form videos spanning tens of minutes has become both feasible and increasingly…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Yuxiao Chen , Jue Wang , Zhikang Zhang , Jingru Yi , Xu Zhang , Yang Zou , Zhaowei Cai , Jianbo Yuan , Xinyu Li , Hao Yang , Davide Modolo

Long-form video understanding remains challenging for Vision-Language Models (VLMs) due to the inherent tension between computational constraints and the need to capture information distributed across thousands of frames. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Junbo Zou , Ziheng Huang , Shengjie Zhang , Liwen Zhang , Weining Shen

Video Language Models (VideoLMs) enable AI systems to understand temporal dynamics in videos. To fit within the maximum context window constraint, current methods use keyframe sampling which often misses both macro-level events and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Sayan Deb Sarkar , Rémi Pautrat , Ondrej Miksik , Marc Pollefeys , Iro Armeni , Mahdi Rad , Mihai Dusmanu

In recent years, the development of Large Language Models (LLMs) has significantly advanced, extending their capabilities to multimodal tasks through Multimodal Large Language Models (MLLMs). However, video understanding remains a…

Memory is essential for large vision-language models (LVLMs) to handle long, multimodal interactions, with two method directions providing this capability: long-context LVLMs and memory-augmented agents. However, no existing benchmark…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Xiyu Ren , Zhaowei Wang , Yiming Du , Zhongwei Xie , Chi Liu , Xinlin Yang , Haoyue Feng , Wenjun Pan , Tianshi Zheng , Baixuan Xu , Zhengnan Li , Yangqiu Song , Ginny Wong , Simon See

Video Large Language Models (VLMs) have achieved remarkable success in video understanding, but the significant computational cost from processing dense frames severely limits their practical application. Existing methods alleviate this by…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Junpeng Ma , Sashuai Zhou , Guanghao Li , Xin Gao , Yue Cao , Hengyu Zeng , Yuxiang Yan , Zhibin Wang , Jun Song , Bo Zheng , Shanghang Zhang , Jian Pu

We introduce TemporalVLM, a video large language model (video LLM) for temporal reasoning and fine-grained understanding in long videos. Our approach includes a visual encoder for mapping a long-term video into features which are time-aware…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Fawad Javed Fateh , Umer Ahmed , Hamza Khan , M. Zeeshan Zia , Quoc-Huy Tran

The fundamental challenge in scaling Video Large Language Models (Video LLMs) to long-form video lies in managing the explosion of visual-token context length. Existing strategies predominantly focus on "post-hoc" token reduction --…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Jihwan Kim , Nikhil Parthasarathy , Danfeng Qin , Junhwa Hur , Deqing Sun , Bohyung Han , Ming-Hsuan Yang , Boqing Gong

In the quest for artificial general intelligence, Multi-modal Large Language Models (MLLMs) have emerged as a focal point in recent advancements. However, the predominant focus remains on developing their capabilities in static image…

Processing long-form videos with Video Large Language Models (Video-LLMs) is computationally prohibitive. Current efficiency methods often compromise fine-grained perception through irreversible information disposal or inhibit long-range…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Handong Li , Zikang Liu , Longteng Guo , Tongtian Yue , Yepeng Tang , Xinxin Zhu , Chuanyang Zheng , Ziming Wang , Zhibin Wang , Jun Song , Cheng Yu , Bo Zheng , Jing Liu

Long video understanding is essential for human-like intelligence, enabling coherent perception and reasoning over extended temporal contexts. While the emerging thinking-with-frames paradigm, which alternates between global temporal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Pengfei Hu , Meng Cao , Yingyao Wang , Yi Wang , Jiahua Dong , Jun Song , Yu Cheng , Bo Zheng , Xiaodan Liang

Table images present unique challenges for effective and efficient understanding due to the need for question-specific focus and the presence of redundant background regions. Existing Multimodal Large Language Model (MLLM) approaches often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jongha Kim , Minseong Bae , Sanghyeok Lee , Jinsung Yoon , Hyunwoo J. Kim

The intersection of medical imaging and artificial intelligence has become an important research direction in intelligent medical treatment, particularly in the analysis of medical images using deep learning for clinical diagnosis. Despite…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Xiangxiang Cui , Zhongyu Li , Xiayue Fan , Peng Huang , Ying Wang , Meng Yang , Shi Chang , Jihua Zhu

Multimodal Large Language Models (MLLMs) have shown remarkable capabilities in video content understanding but still struggle with fine-grained motion comprehension. To comprehensively assess the motion understanding ability of existing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Chongjun Tu , Lin Zhang , Pengtao Chen , Peng Ye , Xianfang Zeng , Wei Cheng , Gang Yu , Tao Chen

Videos are multimodal in nature. Conventional video recognition pipelines typically fuse multimodal features for improved performance. However, this is not only computationally expensive but also neglects the fact that different videos rely…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Zejia Weng , Zuxuan Wu , Hengduo Li , Jingjing Chen , Yu-Gang Jiang

Keyframe extraction aims to sum up a video's semantics with the minimum number of its frames. This paper puts forward a Large Model based Sequential Keyframe Extraction for video summarization, dubbed LMSKE, which contains three stages as…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Kailong Tan , Yuxiang Zhou , Qianchen Xia , Rui Liu , Yong Chen

Facial expression spotting is the preliminary step for micro- and macro-expression analysis. The task of reliably spotting such expressions in video sequences is currently unsolved. The current best systems depend upon optical flow methods…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Chuin Hong Yap , Moi Hoon Yap , Adrian K. Davison , Connah Kendrick , Jingting Li , Sujing Wang , Ryan Cunningham

Existing video recommender systems rely primarily on user-defined metadata or on low-level visual and acoustic signals extracted by specialised encoders. These low-level features describe what appears on the screen but miss deeper semantics…

Information Retrieval · Computer Science 2025-08-14 Marco De Nadai , Andreas Damianou , Mounia Lalmas

Video is an increasingly prominent and information-dense medium, yet it poses substantial challenges for language models. A typical video consists of a sequence of shorter segments, or shots, that collectively form a coherent narrative.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Richard Luo , Austin Peng , Adithya Vasudev , Rishabh Jain