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Related papers: Enrich and Detect: Video Temporal Grounding with M…

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Video temporal grounding (VTG), which localizes the start and end times of a queried event in an untrimmed video, is a key test of whether multimodal large language models (MLLMs) understand not only what happens but also when it happens.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Dazhao Du , Liao Duan , Jian Liu , Tao Han , Yujia Zhang , Eric Liu , Xi Chen , Song Guo

Video Temporal Grounding (VTG), the task of localizing video segments from text queries, struggles in open-world settings due to limited dataset scale and semantic diversity, causing performance gaps between common and rare concepts. To…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Minghang Zheng , Zihao Yin , Yi Yang , Yuxin Peng , Yang Liu

Video Temporal Grounding (VTG) aims to precisely identify video event segments in response to textual queries. The outputs of VTG tasks manifest as sequences of events, each defined by precise timestamps, saliency scores, and textual…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zuhao Yang , Yingchen Yu , Yunqing Zhao , Shijian Lu , Song Bai

Recently, researchers have attempted to investigate the capability of LLMs in handling videos and proposed several video LLM models. However, the ability of LLMs to handle video grounding (VG), which is an important time-related video task…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Wei Feng , Xin Wang , Hong Chen , Zeyang Zhang , Houlun Chen , Zihan Song , Yuwei Zhou , Yuekui Yang , Haiyang Wu , Wenwu Zhu

Joint video-language learning has received increasing attention in recent years. However, existing works mainly focus on single or multiple trimmed video clips (events), which makes human-annotated event boundaries necessary during…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Teng Wang , Jinrui Zhang , Feng Zheng , Wenhao Jiang , Ran Cheng , Ping Luo

Video Temporal Grounding (VTG), which aims to ground target clips from videos (such as consecutive intervals or disjoint shots) according to custom language queries (e.g., sentences or words), is key for video browsing on social media. Most…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Kevin Qinghong Lin , Pengchuan Zhang , Joya Chen , Shraman Pramanick , Difei Gao , Alex Jinpeng Wang , Rui Yan , Mike Zheng Shou

Video Temporal Grounding (VTG), which aims to localize video clips corresponding to natural language queries, is a fundamental yet challenging task in video understanding. Existing Transformer-based methods often suffer from redundant…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Zhiyi Zhu , Xiaoyu Wu , Zihao Liu , Linlin Yang

Video temporal grounding is a critical video understanding task, which aims to localize moments relevant to a language description. The challenge of this task lies in distinguishing relevant and irrelevant moments. Previous methods focused…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Xiaolong Sun , Le Wang , Sanping Zhou , Liushuai Shi , Kun Xia , Mengnan Liu , Yabing Wang , Gang Hua

Spatio-temporal video grounding (STVG) aims at localizing the spatio-temporal tube of a video, as specified by the input text query. In this paper, we utilize multimodal large language models (MLLMs) to explore a zero-shot solution in STVG.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Zaiquan Yang , Yuhao Liu , Gerhard Hancke , Rynson W. H. Lau

Video temporal grounding (VTG) takes an untrimmed video and a natural-language query as input and localizes the temporal moment that best matches the query. Existing methods rely on large, task-specific datasets requiring costly manual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Minjoon Jung , Byoung-Tak Zhang , Lorenzo Torresani

Video temporal understanding is crucial for multimodal large language models (MLLMs) to reason over events in videos. Despite recent advances in general video understanding, current MLLMs still struggle with fine-grained temporal reasoning.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Fuwen Luo , Shengfeng Lou , Chi Chen , Ziyue Wang , Chenliang Li , Weizhou Shen , Jiyue Guo , Peng Li , Ming Yan , Ji Zhang , Fei Huang , Yang Liu

Video Question Answering (VideoQA) requires identifying sparse critical moments in long videos and reasoning about their causal relationships to answer semantically complex questions. While recent advances in multimodal learning have…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Xinxin Dong , Baoyun Peng , Haokai Ma , Yufei Wang , Zixuan Dong , Fei Hu , Xiaodong Wang

Temporal Sentence Grounding (TSG), which aims to localize moments from videos based on the given natural language queries, has attracted widespread attention. Existing works are mainly designed for short videos, failing to handle TSG in…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Houlun Chen , Xin Wang , Hong Chen , Zihan Song , Jia Jia , Wenwu Zhu

Video Temporal Grounding (VTG) aims to identify visual frames in a video clip that match text queries. Recent studies in VTG employ cross-attention to correlate visual frames and text queries as individual token sequences. However, these…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Jongbhin Woo , Hyeonggon Ryu , Youngjoon Jang , Jae Won Cho , Joon Son Chung

Despite progress in multimodal large language models (MLLMs), the challenge of interpreting long-form videos in response to linguistic queries persists, largely due to the inefficiency in temporal grounding and limited pre-trained context…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Yuxuan Wang , Yueqian Wang , Pengfei Wu , Jianxin Liang , Dongyan Zhao , Yang Liu , Zilong Zheng

Text-driven video moment retrieval (VMR) remains challenging due to limited capture of hidden temporal dynamics in untrimmed videos, leading to imprecise grounding in long sequences. Traditional methods rely on natural language queries…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yunzhuo Sun , Xinyue Liu , Yanyang Li , Nanding Wu , Yifang Xu , Linlin Zong , Xianchao Zhang , Wenxin Liang

Video temporal grounding (VTG) aims to locate precise segments in videos based on language queries, which is a fundamental challenge in video understanding. While recent Multimodal Large Language Models (MLLMs) have shown promise in…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Lu Dong , Haiyu Zhang , Han Lin , Ziang Yan , Xiangyu Zeng , Hongjie Zhang , Yifei Huang , Yi Wang , Zhen-Hua Ling , Limin Wang , Yali Wang

Understanding videos requires more than answering open ended questions, it demands the ability to pinpoint when events occur and how entities interact across time. While recent Video LLMs have achieved remarkable progress in holistic…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Pengcheng Fang , Yuxia Chen , Rui Guo

Multimodal Large Language Models (MLLMs) have shown strong performance on Video Temporal Grounding (VTG). However, their coarse recognition capabilities are insufficient for fine-grained temporal understanding, making task-specific…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Jiwook Han , Geo Ahn , Youngrae Kim , Jinwoo Choi

Temporal Sentence Grounding in Videos (TSGV) aims to detect the event timestamps described by the natural language query from untrimmed videos. This paper discusses the challenge of achieving efficient computation in TSGV models while…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Renjie Liang , Yiming Yang , Hui Lu , Li Li