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Long-form video question answering (VQA) overwhelms current vision-language models (VLMs) because attention and key-value (KV) caches grow with runtime, forcing either expensive inference or near-sighted sliding windows. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Shrenik Patel , Daivik Patel

Long video understanding is still challenging for recent Large Video-Language Models (LVLMs) due to the conflict between long-form temporal understanding and detailed spatial perception. LVLMs with a uniform frame sampling mechanism, which…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Shenghao Fu , Qize Yang , Yuan-Ming Li , Xihan Wei , Xiaohua Xie , Wei-Shi Zheng

The exponential increase in video content poses significant challenges in terms of efficient navigation, search, and retrieval, thus requiring advanced video summarization techniques. Existing video summarization methods, which heavily rely…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Min Jung Lee , Dayoung Gong , Minsu Cho

Long video understanding (LVU) remains a core challenge in multimodal learning. Although recent vision-language models (VLMs) have made notable progress, existing benchmarks mainly focus on either fine-grained perception or coarse…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Seng Nam Chen , Hao Chen , Chenglam Ho , Xinyu Mao , Jinping Wang , Yu Zhang , Chao Li

Despite recent advances in Vision-Language Models (VLMs), long-video understanding remains a challenging problem. Although state-of-the-art long-context VLMs can process around 1000 input frames, they still struggle to effectively leverage…

Machine Learning · Computer Science 2025-07-04 Anurag Arnab , Ahmet Iscen , Mathilde Caron , Alireza Fathi , Cordelia Schmid

In the context of long-term video understanding with large multimodal models, many frameworks have been proposed. Although transformer-based visual compressors and memory-augmented approaches are often used to process long videos, they…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Sosuke Yamao , Natsuki Miyahara , Yuankai Qi , Shun Takeuchi

Large Language Models (LLMs) have allowed recent LLM-based approaches to achieve excellent performance on long-video understanding benchmarks. We investigate how extensive world knowledge and strong reasoning skills of underlying LLMs…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Kanchana Ranasinghe , Xiang Li , Kumara Kahatapitiya , Michael S. Ryoo

While Multimodal Large Language Models (MLLMs) exhibit strong performance on standard video tasks, their ability to faithfully summarize and reason over complex narratives remains poorly evaluated. Existing summarization benchmarks fragment…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Mengqi Shi , Haopeng Zhang

Recent advancements in language-model-based video understanding have been progressing at a remarkable pace, spurred by the introduction of Large Language Models (LLMs). However, the focus of prior research has been predominantly on devising…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Yizhou Wang , Ruiyi Zhang , Haoliang Wang , Uttaran Bhattacharya , Yun Fu , Gang Wu

Video processing and analysis have become an urgent task since a huge amount of videos (e.g., Youtube, Hulu) are uploaded online every day. The extraction of representative key frames from videos is very important in video processing and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Hao Tang , Lei Ding , Songsong Wu , Bin Ren , Nicu Sebe , Paolo Rota

Despite the significant advancements of Large Vision-Language Models (LVLMs) on established benchmarks, there remains a notable gap in suitable evaluation regarding their applicability in the emerging domain of long-context streaming video…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Zhenyu Yang , Yuhang Hu , Zemin Du , Dizhan Xue , Shengsheng Qian , Jiahong Wu , Fan Yang , Weiming Dong , Changsheng Xu

While current video generation focuses on text or image conditions, practical applications like video editing and vlogging often need to seamlessly connect separate clips. In our work, we introduce Video Connecting, an innovative task that…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Zhiyu Yin , Zhipeng Liu , Kehai Chen , Lemao Liu , Jin Liu , Hong-Dong Li , Yang Xiang , Min Zhang

Human pose estimation in video relies on local information by either estimating each frame independently or tracking poses across frames. In this paper, we propose a novel method combining local approaches with global context. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Yuexi Zhang , Yin Wang , Octavia Camps , Mario Sznaier

Multimodal large language models (MLLMs) demonstrate exceptional performance in vision-language tasks, yet their processing of long videos is constrained by input context length and high computational costs. Sparse frame sampling thus…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Jianxiang He , Meisheng Hong , Jungang Li , Weiyu Guo , Xuming Hu , Hui Xiong

Recent advances in Video Large Language Models (Video-LLMs) have demonstrated their great potential in general-purpose video understanding. To verify the significance of these models, a number of benchmarks have been proposed to diagnose…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Ye Liu , Zongyang Ma , Zhongang Qi , Yang Wu , Ying Shan , Chang Wen Chen

The past few years have witnessed great success in applying deep learning to enhance the quality of compressed image/video. The existing approaches mainly focus on enhancing the quality of a single frame, not considering the similarity…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Qunliang Xing , Zhenyu Guan , Mai Xu , Ren Yang , Tie Liu , Zulin Wang

Multimodal Large Language Models (MLLMs) have made rapid progress in perception, understanding, and reasoning, yet existing benchmarks fall short in evaluating these abilities under continuous and dynamic real-world video streams. Such…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Shuhang Xun , Sicheng Tao , Jungang Li , Yibo Shi , Zhixin Lin , Zhanhui Zhu , Yibo Yan , Hanqian Li , Linghao Zhang , Shikang Wang , Yixin Liu , Hanbo Zhang , Ying Ma , Xuming Hu

We introduce CameraBench, a large-scale dataset and benchmark designed to assess and improve camera motion understanding. CameraBench consists of ~3,000 diverse internet videos, annotated by experts through a rigorous multi-stage quality…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Zhiqiu Lin , Siyuan Cen , Daniel Jiang , Jay Karhade , Hewei Wang , Chancharik Mitra , Tiffany Ling , Yuhan Huang , Sifan Liu , Mingyu Chen , Rushikesh Zawar , Xue Bai , Yilun Du , Chuang Gan , Deva Ramanan

Benefiting from the advances in large language models and cross-modal alignment, existing multimodal large language models have achieved prominent performance in image and short video understanding. However, the understanding of long videos…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Haoji Zhang , Yiqin Wang , Yansong Tang , Yong Liu , Jiashi Feng , Xiaojie Jin

Multimodal large language models have become a popular topic in deep visual understanding due to many promising real-world applications. However, hour-long video understanding, spanning over one hour and containing tens of thousands of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Heqing Zou , Tianze Luo , Guiyang Xie , Victor Xiao Jie Zhang , Fengmao Lv , Guangcong Wang , Junyang Chen , Zhuochen Wang , Hansheng Zhang , Huaijian Zhang