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Online streaming video understanding requires models to process continuous visual inputs and respond to user queries in real time, where the unbounded stream and unpredictable query timing turn memory management into a central challenge.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Hang Wu , Sherin Mary Mathews , Yujun Cai , Ming-Hsuan Yang , Yiwei Wang

Large Vision Language Models (LVLMs) exhibit strong Chain-of-Thought (CoT) capabilities, yet most existing paradigms assume full-video availability before inference, a batch-style process misaligned with real-world video streams where…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Jialiang Zhang , Junlong Tong , Junyan Lin , Hao Wu , Yirong Sun , Yunpu Ma , Xiaoyu Shen

We introduce a full-stack framework that scales up reasoning in vision-language models (VLMs) to long videos, leveraging reinforcement learning. We address the unique challenges of long video reasoning by integrating three critical…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Yukang Chen , Wei Huang , Baifeng Shi , Qinghao Hu , Hanrong Ye , Ligeng Zhu , Zhijian Liu , Pavlo Molchanov , Jan Kautz , Xiaojuan Qi , Sifei Liu , Hongxu Yin , Yao Lu , Song Han

Video large language models (VideoLLMs) show strong capability in video understanding, yet long-context inference is still dominated by massive redundant visual tokens in the prefill stage. We revisit token compression for VideoLLMs under a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Xinying Lin , Xuyang Liu , Yiyu Wang , Teng Ma , Wenqi Ren

Efficient video processing is a critical component in many IoMT applications to detect events of interest. Presently, many window optimization techniques have been proposed in event processing with an underlying assumption that the incoming…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Piyush Yadav , Dhaval Salwala , Edward Curry

Vision-Language Models (VLMs) have demonstrated strong capabilities in multimodal understanding and generation tasks. However, their application to long video understanding remains hindered by the quadratic complexity of standard attention…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Letian Kang , Shixian Luo , Yiqiang Li , Yuxin Yin , Shenxuan Zhou , Xiaoyang Yu , Jin Yang , Yong Wu

Long video understanding is inherently challenging for vision-language models (VLMs) because of the extensive number of frames. With each video frame typically expanding into tens or hundreds of tokens, the limited context length of large…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Zheyu Zhang , Ziqi Pang , Shixing Chen , Xiang Hao , Vimal Bhat , Yu-Xiong Wang

The core challenge for streaming video generation is maintaining the content consistency in long context, which poses high requirement for the memory design. Most existing solutions maintain the memory by compressing historical frames with…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Sihui Ji , Xi Chen , Shuai Yang , Xin Tao , Pengfei Wan , Hengshuang Zhao

Long-video understanding remains a significant challenge for Multimodal Large Language Models (MLLMs) due to inherent token limitations and the complexity of capturing long-term temporal dependencies. Existing methods often fail to capture…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jeong Hun Yeo , Sangyun Chung , Sungjune Park , Dae Hoe Kim , Jinyoung Moon , Yong Man Ro

Video Large Multimodal Models (VLMMs) have shown impressive performance in video understanding, yet their ability to accurately capture the temporal order of multiple events remains underexplored. We interestingly observe that, even when…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Daechul Ahn , Yura Choi , Hyeonbeom Choi , Seongwon Cho , San Kim , Jonghyun Choi

Long-form egocentric video understanding provides rich contextual information and unique insights into long-term human behaviors, holding significant potential for applications in embodied intelligence, long-term activity analysis, and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Wenqi Zhou , Kai Cao , Hao Zheng , Yunze Liu , Xinyi Zheng , Miao Liu , Per Ola Kristensson , Walterio Mayol-Cuevas , Fan Zhang , Weizhe Lin , Junxiao Shen

Long video understanding is a complex task that requires both spatial detail and temporal awareness. While Vision-Language Models (VLMs) obtain frame-level understanding capabilities through multi-frame input, they suffer from information…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Ziyi Wang , Haoran Wu , Yiming Rong , Deyang Jiang , Yixin Zhang , Yunlong Zhao , Shuang Xu , Bo XU

Visual agents operating in the wild must respond to queries precisely when sufficient evidence first appears in a video stream, a critical capability that is overlooked by conventional video LLMs evaluated in offline settings. The shift to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Kecheng Zhang , Zongxin Yang , Mingfei Han , Haihong Hao , Yunzhi Zhuge , Changlin Li , Junhan Zhao , Zhihui Li , Xiaojun Chang

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

Deep neural networks facilitate video question answering (VideoQA), but the real-world applications on video streams such as CCTV and live cast place higher demands on the solver. To address the challenges of VideoQA on long videos of…

Multimedia · Computer Science 2023-03-08 Weikai Kong , Shuhong Ye , Chenglin Yao , Jianfeng Ren

Streaming video requires handling dynamic information density under strict latency budgets. Yet, existing methods typically employ static strategies, such as fixed memory compression or reliance on a single model, forcing a trade-off: fast…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Jinming Liu , Jianguo Huang , Zhaoyang Jia , Jiahao Li , Xiaoyi Zhang , Zongyu Guo , Bin Li , Wenjun Zeng , Yan Lu , Xin Jin

Recent advancements in Large Language Models (LLMs) have expanded their capabilities to multimodal contexts, including comprehensive video understanding. However, processing extensive videos such as 24-hour CCTV footage or full-length films…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Lu Zhang , Tiancheng Zhao , Heting Ying , Yibo Ma , Kyusong Lee

Multimedia information retrieval from videos remains a challenging problem. While recent systems have advanced multimodal search through semantic, object, and OCR queries - and can retrieve temporally consecutive scenes - they often rely on…

Information Retrieval · Computer Science 2025-12-09 Van-Thinh Vo , Minh-Khoi Nguyen , Minh-Huy Tran , Anh-Quan Nguyen-Tran , Duy-Tan Nguyen , Khanh-Loi Nguyen , Anh-Minh Phan

Visual texts embedded in videos carry rich semantic information, which is crucial for both holistic video understanding and fine-grained reasoning about local human actions. However, existing video understanding benchmarks largely overlook…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Zhoufaran Yang , Yan Shu , Jing Wang , Zhifei Yang , Yan Zhang , Yu Li , Keyang Lu , Gangyan Zeng , Shaohui Liu , Yu Zhou , Nicu Sebe

Proactive streaming video understanding requires Video-LLMs to decide when to respond as a video unfolds, a task where existing methods often fall short due to their implicit, query-agnostic modeling of visual evidence. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Ke Ma , Jiaqi Tang , Bin Guo , Xueting Han , Ruonan Xu , Qingfeng He , Ziheng Wang , Xu Wang , Qifeng Chen , Zhiwen Yu , Yunhao Liu