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Video Temporal Grounding (VTG) strives to accurately pinpoint event timestamps in a specific video using linguistic queries, significantly impacting downstream tasks like video browsing and editing. Unlike traditional task-specific models,…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Yongxin Guo , Jingyu Liu , Mingda Li , Dingxin Cheng , Xiaoying Tang , Dianbo Sui , Qingbin Liu , Xi Chen , Kevin Zhao

The core challenge in video understanding lies in perceiving dynamic content changes over time. However, multimodal large language models struggle with temporal-sensitive video tasks, which requires generating timestamps to mark the…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Henghao Zhao , Ge-Peng Ji , Rui Yan , Huan Xiong , Zechao Li

Video temporal grounding (VTG) is a critical task in video understanding and a key capability for extending video large language models (Vid-LLMs) to broader applications. However, existing Vid-LLMs rely on uniform frame sampling to extract…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Rong Fan , Kaiyan Xiao , Minghao Zhu , Liuyi Wang , Kai Dai , Zhao Yang

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…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Jun Zhang , Teng Wang , Yuying Ge , Yixiao Ge , Xinhao Li , Ying Shan , Limin Wang

Video Temporal Grounding (VTG) aims to localize relevant temporal segments in videos given natural language queries. Despite recent progress with large vision-language models (LVLMs) and instruction-tuning, existing approaches often suffer…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Ruizhe Chen , Zhiting Fan , Tianze Luo , Heqing Zou , Zhaopeng Feng , Guiyang Xie , Hansheng Zhang , Zhuochen Wang , Zuozhu Liu , Huaijian Zhang

The recent advancement in video temporal grounding (VTG) has significantly enhanced fine-grained video understanding, primarily driven by multimodal large language models (MLLMs). With superior multimodal comprehension and reasoning…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Jianlong Wu , Wei Liu , Ye Liu , Meng Liu , Liqiang Nie , Zhouchen Lin , Chang Wen Chen

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…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Wei Feng , Xin Wang , Hong Chen , Zeyang Zhang , Houlun Chen , Zihan Song , Yuwei Zhou , Yuekui Yang , Haiyang Wu , Wenwu Zhu

Video Temporal Grounding (VTG) aims to ground specific segments within an untrimmed video corresponding to the given natural language query. Existing VTG methods largely depend on supervised learning and extensive annotated data, which is…

多媒体 · 计算机科学 2024-10-18 Mengxue Qu , Xiaodong Chen , Wu Liu , Alicia Li , Yao Zhao

Video temporal grounding (VTG) is typically tackled with dataset-specific models that transfer poorly across domains and query styles. Recent efforts to overcome this limitation have adapted large multimodal language models (MLLMs) to VTG,…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Joungbin An , Agrim Jain , Kristen Grauman

Video Large Language Models (Video-LLMs) have demonstrated remarkable capabilities in coarse-grained video understanding, however, they struggle with fine-grained temporal grounding. In this paper, we introduce Grounded-VideoLLM, a novel…

计算机视觉与模式识别 · 计算机科学 2025-08-22 Haibo Wang , Zhiyang Xu , Yu Cheng , Shizhe Diao , Yufan Zhou , Yixin Cao , Qifan Wang , Weifeng Ge , Lifu Huang

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…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Minghang Zheng , Xinhao Cai , Qingchao Chen , Yuxin Peng , Yang Liu

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…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Kevin Qinghong Lin , Pengchuan Zhang , Joya Chen , Shraman Pramanick , Difei Gao , Alex Jinpeng Wang , Rui Yan , Mike Zheng Shou

While Video Large Language Models (Video-LLMs) have shown significant potential in multimodal understanding and reasoning tasks, how to efficiently select the most informative frames from videos remains a critical challenge. Existing…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Shihao Wang , Guo Chen , De-an Huang , Zhiqi Li , Minghan Li , Guilin Liu , Jose M. Alvarez , Lei Zhang , Zhiding Yu

Large language models (LLMs) have shown remarkable text understanding capabilities, which have been extended as Video LLMs to handle video data for comprehending visual details. However, existing Video LLMs can only provide a coarse…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Bin Huang , Xin Wang , Hong Chen , Zihan Song , Wenwu Zhu

Temporal Video Grounding (TVG), which requires pinpointing relevant temporal segments from video based on language query, has always been a highly challenging task in the field of video understanding. Videos often have a larger volume of…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Feng Yue , Zhaoxing Zhang , Junming Jiao , Zhengyu Liang , Shiwen Cao , Feifei Zhang , Rong Shen

Video Temporal Grounding (VTG) is a crucial capability for video understanding models and plays a vital role in downstream tasks such as video browsing and editing. To effectively handle various tasks simultaneously and enable zero-shot…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Yongxin Guo , Jingyu Liu , Mingda Li , Qingbin Liu , Xi Chen , Xiaoying Tang

Understanding abnormal events in videos is a vital and challenging task that has garnered significant attention in a wide range of applications. Although current video understanding Multi-modal Large Language Models (MLLMs) are capable of…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Yingxian Chen , Jiahui Liu , Ruidi Fan , Yanwei Li , Chirui Chang , Shizhen Zhao , Wilton W. T. Fok , Xiaojuan Qi , Yik-Chung Wu

We introduce ED-VTG, a method for fine-grained video temporal grounding utilizing multi-modal large language models. Our approach harnesses the capabilities of multimodal LLMs to jointly process text and video, in order to effectively…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Shraman Pramanick , Effrosyni Mavroudi , Yale Song , Rama Chellappa , Lorenzo Torresani , Triantafyllos Afouras

Despite recent advances in Video Large Language Models (Vid-LLMs), Temporal Video Grounding (TVG), which aims to precisely localize time segments corresponding to query events, remains a significant challenge. Existing methods often match…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Jiahao Nie , Wenbin An , Gongjie Zhang , Yicheng Xu , Yap-Peng Tan , Alex C. Kot , Shijian Lu

Video Temporal Grounding (VTG) aims to extract relevant video segments based on a given natural language query. Recently, zero-shot VTG methods have gained attention by leveraging pretrained vision-language models (VLMs) to localize target…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Jin-Seop Lee , SungJoon Lee , Jaehan Ahn , YunSeok Choi , Jee-Hyong Lee
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