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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

Vision-language models (VLMs) advance video understanding but operate under tight computational budgets, making performance dependent on selecting a small, high-quality subset of frames. Existing frame sampling strategies, such as uniform…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Chaoyu Li , Tianzhi Li , Fei Tao , Zhenyu Zhao , Ziqian Wu , Maozheng Zhao , Juntong Song , Cheng Niu , Pooyan Fazli

Recent advances in Multi-Modal Large Language Models (M-LLMs) show promising results in video reasoning. Popular Multi-Modal Large Language Model (M-LLM) frameworks usually apply naive uniform sampling to reduce the number of video frames…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Kai Hu , Feng Gao , Xiaohan Nie , Peng Zhou , Son Tran , Tal Neiman , Lingyun Wang , Mubarak Shah , Raffay Hamid , Bing Yin , Trishul Chilimbi

In this work, we propose an efficient Video-Language Alignment (ViLA) network. Our ViLA model addresses both efficient frame sampling and effective cross-modal alignment in a unified way. In our ViLA network, we design a new learnable…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Xijun Wang , Junbang Liang , Chun-Kai Wang , Kenan Deng , Yu Lou , Ming Lin , Shan Yang

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

Vision language models (VLMs) demonstrate strong capabilities in jointly processing visual and textual data. However, they often incur substantial computational overhead due to redundant visual information, particularly in long-form video…

Machine Learning · Computer Science 2025-04-25 Yudong Liu , Jingwei Sun , Yueqian Lin , Jingyang Zhang , Ming Yin , Qinsi Wang , Jianyi Zhang , Hai Li , Yiran Chen

Enabling large language models (LLMs) to read videos is vital for multimodal LLMs. Existing works show promise on short videos whereas long video (longer than e.g.~1 minute) comprehension remains challenging. The major problem lies in the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Yu Wang , Zeyuan Zhang , Julian McAuley , Zexue He

Video Large Language Models (VLMs) have achieved strong performance on various vision-language tasks, yet their practical use is limited by the massive number of visual tokens produced from raw video frames, which quickly exhausts the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Guangyu Sun , Archit Singhal , Burak Uzkent , Mubarak Shah , Chen Chen , Garin Kessler

The ability to understand long videos is vital for embodied intelligent agents, because their effectiveness depends on how well they can accumulate, organize, and leverage long-horizon perceptual memories. Recently, multimodal LLMs have…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Tatiana Zemskova , Solomon Andryushenko , Ilya Obrubov , Viktoriia Khoruzhaia , Ekaterina Eroshenko , Ekaterina Derevyanka , Dmitry Yudin

Long-form video understanding is essential for various applications such as video retrieval, summarizing, and question answering. Yet, traditional approaches demand substantial computing power and are often bottlenecked by GPU memory. To…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Saket Gurukar , Asim Kadav

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 explosive growth of videos on streaming media platforms has underscored the urgent need for effective video quality assessment (VQA) algorithms to monitor and perceptually optimize the quality of streaming videos. However, VQA remains…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Qihang Ge , Wei Sun , Yu Zhang , Yunhao Li , Zhongpeng Ji , Fengyu Sun , Shangling Jui , Xiongkuo Min , Guangtao Zhai

Video Large Language Models (Video-LLMs) excel at understanding videos in-context, provided they have full access to the video when answering queries. However, these models face challenges in streaming scenarios where hour-long videos must…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Vaggelis Dorovatas , Soroush Seifi , Gunshi Gupta , Rahaf Aljundi

Video sequences offer valuable temporal information, but existing large multimodal models (LMMs) fall short in understanding extremely long videos. Many works address this by reducing the number of visual tokens using visual resamplers.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Peiyuan Zhang , Kaichen Zhang , Bo Li , Guangtao Zeng , Jingkang Yang , Yuanhan Zhang , Ziyue Wang , Haoran Tan , Chunyuan Li , Ziwei Liu

Long-form video question answering requires reasoning over extended temporal contexts, making frame selection critical for large vision-language models (LVLMs) bound by finite context windows. Existing methods face a sharp trade-off:…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Dan Ben-Ami , Gabriele Serussi , Kobi Cohen , Chaim Baskin

Efficiently understanding long-form videos remains a fundamental challenge for multimodal large language models (MLLMs). In this paper, we present MLLM-Sampler Joint Evolution (MSJoE), a novel framework that jointly evolves the MLLM and a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Wenhui Tan , Xiaoyi Yu , Jiaze Li , Yijing Chen , Jianzhong Ju , Zhenbo Luo , Ruihua Song , Jian Luan

The remarkable natural language understanding, reasoning, and generation capabilities of large language models (LLMs) have made them attractive for application to video understanding, utilizing video tokens as contextual input. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Jiaqi Xu , Cuiling Lan , Wenxuan Xie , Xuejin Chen , Yan Lu

Large vision-language models (LVLMs) have demonstrated remarkable achievements, yet the generation of non-factual responses remains prevalent in fact-seeking question answering (QA). Current multimodal fact-seeking benchmarks primarily…

Computation and Language · Computer Science 2025-03-11 Yanling Wang , Yihan Zhao , Xiaodong Chen , Shasha Guo , Lixin Liu , Haoyang Li , Yong Xiao , Jing Zhang , Qi Li , Ke Xu

Video Large Language Models (Video-LLMs) have made remarkable progress in video understanding tasks. However, they are constrained by the maximum length of input tokens, making it impractical to input entire videos. Existing frame selection…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Sicheng Yu , Chengkai Jin , Huanyu Wang , Zhenghao Chen , Sheng Jin , Zhongrong Zuo , Xiaolei Xu , Zhenbang Sun , Bingni Zhang , Jiawei Wu , Hao Zhang , Qianru Sun

With the success of large language models (LLMs), integrating the vision model into LLMs to build vision-language foundation models has gained much more interest recently. However, existing LLM-based large multimodal models (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Bo He , Hengduo Li , Young Kyun Jang , Menglin Jia , Xuefei Cao , Ashish Shah , Abhinav Shrivastava , Ser-Nam Lim