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Video temporal grounding aims to identify video segments within untrimmed videos that are most relevant to a given natural language query. Existing video temporal localization models rely on specific datasets for training and have high data…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Minghang Zheng , Xinhao Cai , Qingchao Chen , Yuxin Peng , Yang Liu

In this paper, we propose a novel method for video moment retrieval (VMR) that achieves state of the arts (SOTA) performance on R@1 metrics and surpassing the SOTA on the high IoU metric (R@1, IoU=0.7). First, we propose to use a multi-head…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Xinli Yu , Mohsen Malmir , Cynthia He , Yue Liu , Rex Wu

Long video understanding is a significant and ongoing challenge in the intersection of multimedia and artificial intelligence. Employing large language models (LLMs) for comprehending video becomes an emerging and promising method. However,…

Computation and Language · Computer Science 2024-08-27 Yunxin Li , Xinyu Chen , Baotain Hu , Min Zhang

Current video-language models struggle with long-video understanding due to limited context lengths and reliance on sparse frame subsampling, often leading to information loss. This paper introduces $\infty$-Video, which can process…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Saul Santos , António Farinhas , Daniel C. McNamee , André F. T. Martins

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

The development of large vision-language models (LVLMs) offers the potential to address challenges faced by traditional multimodal recommendations thanks to their proficient understanding of static images and textual dynamics. However, the…

Artificial Intelligence · Computer Science 2024-02-14 Yuqing Liu , Yu Wang , Lichao Sun , Philip S. Yu

While pre-training large-scale video-language models (VLMs) has shown remarkable potential for various downstream video-language tasks, existing VLMs can still suffer from certain commonly seen limitations, e.g., coarse-grained cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Hao Fei , Shengqiong Wu , Meishan Zhang , Min Zhang , Tat-Seng Chua , Shuicheng Yan

Temporal reasoning is a critical challenge in video-language understanding, as it requires models to align semantic concepts consistently across time. While existing large vision-language models (LVLMs) and large language models (LLMs)…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Rafael Souza , Jia-Hao Lim , Alexander Davis

Recent progress in multimodal large language models has markedly enhanced the understanding of short videos (typically under one minute), and several evaluation datasets have emerged accordingly. However, these advancements fall short of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Weihan Wang , Zehai He , Wenyi Hong , Yean Cheng , Xiaohan Zhang , Ji Qi , Xiaotao Gu , Shiyu Huang , Bin Xu , Yuxiao Dong , Ming Ding , Jie Tang

Using vision-language models (VLMs) as reward models in reinforcement learning holds promise for reducing costs and improving safety. So far, VLM reward models have only been used for goal-oriented tasks, where the agent must reach a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Evžen Wybitul , Evan Ryan Gunter , Mikhail Seleznyov , David Lindner

Temporal object detection has attracted significant attention, but most popular detection methods cannot leverage rich temporal information in videos. Very recently, many algorithms have been developed for video detection task, yet very few…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Xingyu Chen , Junzhi Yu , Zhengxing Wu

Recent Video-Language Models (VLMs) achieve promising results on long-video understanding, but their performance still lags behind that achieved on tasks involving images or short videos. This has led to great interest in improving the long…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Lars Doorenbos , Federico Spurio , Juergen Gall

Existing Multimodal Large Language Models (MLLMs) often suffer from hallucinations in long video understanding (LVU), primarily due to the imbalance between textual and visual tokens. Observing that MLLMs handle short visual inputs well,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Zhe Gao , Shiyu Shen , Taifeng Chai , Weinong Wang , Haotian Xu , Xing W , Wenbin Li , Qi Fan , Yang Gao , Dacheng Tao

Humans perceive and understand real-world spaces through a stream of visual observations. Therefore, the ability to streamingly maintain and update spatial evidence from potentially unbounded video streams is essential for spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Fangfu Liu , Diankun Wu , Jiawei Chi , Yimo Cai , Yi-Hsin Hung , Xumin Yu , Hao Li , Han Hu , Yongming Rao , Yueqi Duan

Long-duration streaming video understanding is fundamental for future AI agents, yet remains limited by ineffective long-term memory. We introduce video-SALMONN S, a memory-enhanced streaming audio-visual large language model that processes…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Guangzhi Sun , Yixuan Li , Xiaodong Wu , Yudong Yang , Wei Li , Zejun Ma , Chao Zhang

This paper introduces the system we developed for the Youtube-8M Video Understanding Challenge, in which a large-scale benchmark dataset was used for multi-label video classification. The proposed framework contains hierarchical deep…

Computer Vision and Pattern Recognition · Computer Science 2017-07-12 Luming Tang , Boyang Deng , Haiyu Zhao , Shuai Yi

Large video-language models (VLMs) have demonstrated promising progress in various video understanding tasks. However, their effectiveness in long-form video analysis is constrained by limited context windows. Traditional approaches, such…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Shuming Liu , Chen Zhao , Tianqi Xu , Bernard Ghanem

Most existing cross-modal language-to-video retrieval (VR) research focuses on single-modal input from video, i.e., visual representation, while the text is omnipresent in human environments and frequently critical to understand video. To…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Weijia Wu , Yuzhong Zhao , Zhuang Li , Jiahong Li , Hong Zhou , Mike Zheng Shou , Xiang Bai

This paper does not introduce a novel method but instead establishes a straightforward, incremental, yet essential baseline for video temporal grounding (VTG), a core capability in video understanding. While multimodal large language models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Jun Zhang , Teng Wang , Yuying Ge , Yixiao Ge , Xinhao Li , Ying Shan , Limin Wang

Recent advancements in video large language models (Video LLMs) have significantly advanced the field of video question answering (VideoQA). While existing methods perform well on short videos, they often struggle with long-range reasoning…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Mustafa Chasmai , Gauri Jagatap , Gouthaman KV , Grant Van Horn , Subhransu Maji , Andrea Fanelli