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Related papers: UniVTG: Towards Unified Video-Language Temporal Gr…

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Visual grounding is a long-lasting problem in vision-language understanding due to its diversity and complexity. Current practices concentrate mostly on performing visual grounding in still images or well-trimmed video clips. This work, on…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Qianyu Feng , Yunchao Wei , Mingming Cheng , Yi Yang

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…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Jianlong Wu , Wei Liu , Ye Liu , Meng Liu , Liqiang Nie , Zhouchen Lin , Chang Wen Chen

Temporal Video Grounding (TVG), the task of locating specific video segments based on language queries, is a core challenge in long-form video understanding. While recent Large Vision-Language Models (LVLMs) have shown early promise in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Ye Wang , Ziheng Wang , Boshen Xu , Yang Du , Kejun Lin , Zihan Xiao , Zihao Yue , Jianzhong Ju , Liang Zhang , Dingyi Yang , Xiangnan Fang , Zewen He , Zhenbo Luo , Wenxuan Wang , Junqi Lin , Jian Luan , Qin Jin

This paper presents a computational model for universal video temporal grounding, which accurately localizes temporal moments in videos based on natural language queries (e.g., questions or descriptions). Unlike existing methods that are…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Zeqian Li , Shangzhe Di , Zhonghua Zhai , Weilin Huang , Yanfeng Wang , Weidi Xie

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…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Shraman Pramanick , Effrosyni Mavroudi , Yale Song , Rama Chellappa , Lorenzo Torresani , Triantafyllos Afouras

Given some video-query pairs with untrimmed videos and sentence queries, temporal sentence grounding (TSG) aims to locate query-relevant segments in these videos. Although previous respectable TSG methods have achieved remarkable success,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Xiang Fang , Wanlong Fang , Changshuo Wang , Daizong Liu , Keke Tang , Jianfeng Dong , Pan Zhou , Beibei Li

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

Temporal video grounding (TVG) aims to localize a target segment in a video according to a given sentence query. Though respectable works have made decent achievements in this task, they severely rely on abundant video-query paired data,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-17 Daizong Liu , Xiaoye Qu , Yinzhen Wang , Xing Di , Kai Zou , Yu Cheng , Zichuan Xu , Pan Zhou

Video temporal grounding (VTG) aims to locate specific temporal segments from an untrimmed video based on a linguistic query. Most existing VTG models are trained on extensive annotated video-text pairs, a process that not only introduces…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yifang Xu , Yunzhuo Sun , Zien Xie , Benxiang Zhai , Sidan Du

We propose a new task and model for dense video object captioning -- detecting, tracking and captioning trajectories of objects in a video. This task unifies spatial and temporal localization in video, whilst also requiring fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Xingyi Zhou , Anurag Arnab , Chen Sun , Cordelia Schmid

Video grounding aims to localize the corresponding video moment in an untrimmed video given a language query. Existing methods often address this task in an indirect way, by casting it as a proposal-and-match or fusion-and-detection…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Fengyuan Shi , Weilin Huang , Limin Wang

Grounding language queries in videos aims at identifying the time interval (or moment) semantically relevant to a language query. The solution to this challenging task demands understanding videos' and queries' semantic content and the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Mattia Soldan , Mengmeng Xu , Sisi Qu , Jesper Tegner , Bernard Ghanem

Video grounding aims to localize a spatio-temporal section in a video corresponding to an input text query. This paper addresses a critical limitation in current video grounding methodologies by introducing an Open-Vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Syed Talal Wasim , Muzammal Naseer , Salman Khan , Ming-Hsuan Yang , Fahad Shahbaz Khan

Temporal Sentence Grounding in Videos (TSGV), i.e., grounding a natural language sentence which indicates complex human activities in a long and untrimmed video sequence, has received unprecedented attentions over the last few years.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Yitian Yuan , Xiaohan Lan , Xin Wang , Long Chen , Zhi Wang , Wenwu Zhu

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

In this paper, we explore a novel task named visual Relation Grounding in Videos (vRGV). The task aims at spatio-temporally localizing the given relations in the form of subject-predicate-object in the videos, so as to provide supportive…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Junbin Xiao , Xindi Shang , Xun Yang , Sheng Tang , Tat-Seng Chua

Video temporal grounding (VTG) aims to localize the start and end timestamps of the event described by a given query within an untrimmed video. Despite the strong open-world video understanding and recognition ability of video language…

Multimedia · Computer Science 2026-05-05 Pengcheng Fang , Yuxia Chen , Xiaohao Cai

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…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Shihao Wang , Guo Chen , De-an Huang , Zhiqi Li , Minghan Li , Guilin Liu , Jose M. Alvarez , Lei Zhang , Zhiding Yu

We propose UniTAB that Unifies Text And Box outputs for grounded vision-language (VL) modeling. Grounded VL tasks such as grounded captioning require the model to generate a text description and align predicted words with object regions. To…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Zhengyuan Yang , Zhe Gan , Jianfeng Wang , Xiaowei Hu , Faisal Ahmed , Zicheng Liu , Yumao Lu , Lijuan Wang

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