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Video temporal grounding aims to pinpoint a video segment that matches the query description. Despite the recent advance in short-form videos (\textit{e.g.}, in minutes), temporal grounding in long videos (\textit{e.g.}, in hours) is still…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Yulin Pan , Xiangteng He , Biao Gong , Yiliang Lv , Yujun Shen , Yuxin Peng , Deli Zhao

Temporal grounding aims to locate a target video moment that semantically corresponds to the given sentence query in an untrimmed video. However, recent works find that existing methods suffer a severe temporal bias problem. These methods…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Jiachang Hao , Haifeng Sun , Pengfei Ren , Jingyu Wang , Qi Qi , Jianxin Liao

Text-to-Motion (T2M) generation aims to synthesize realistic human motion sequences from natural language descriptions. While two-stage frameworks leveraging discrete motion representations have advanced T2M research, they often neglect…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Hongsong Wang , Wenjing Yan , Qiuxia Lai , Xin Geng

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) aims to precisely localize video segments corresponding to natural language queries, which is a critical capability for long-form video understanding. Although existing reinforcement learning approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Chaohong Guo , Xun Mo , Yongwei Nie , Xuemiao Xu , Chao Xu , Fei Yu , Chengjiang Long

2D Gaussian Splatting (2DGS) has recently become a promising paradigm for high-quality video representation. However, existing methods employ content-agnostic or spatio-temporal feature overlapping embeddings to predict canonical Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Jierun Lin , Jiacong Chen , Qingyu Mao , Shuai Liu , Xiandong Meng , Fanyang Meng , Yongsheng Liang

Text-guided Video Temporal Grounding (VTG) aims to localize relevant segments in untrimmed videos based on textual descriptions, encompassing two subtasks: Moment Retrieval (MR) and Highlight Detection (HD). Although previous typical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Zhuo Cao , Bingqing Zhang , Heming Du , Xin Yu , Xue Li , Sen Wang

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

3D visual grounding aims to localize the unique target described by natural languages in 3D scenes. The significant gap between 3D and language modalities makes it a notable challenge to distinguish multiple similar objects through the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Feng Xiao , Hongbin Xu , Guocan Zhao , Wenxiong Kang

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

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,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Joungbin An , Agrim Jain , Kristen Grauman

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

Temporal video grounding (TVG) aims to retrieve the time interval of a language query from an untrimmed video. A significant challenge in TVG is the low "Semantic Noise Ratio (SNR)", which results in worse performance with lower SNR. Prior…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Qi Zhang , Sipeng Zheng , Qin Jin

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

Vision-language models bridge visual and linguistic understanding and have proven to be powerful for video recognition tasks. Existing approaches primarily rely on parameter-efficient fine-tuning of image-text pre-trained models, yet they…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Wencheng Zhu , Yuexin Wang , Hongxuan Li , Pengfei Zhu , Qinghua Hu

We propose to improve the time-sensitive video understanding (TSV) capability of video large language models (Video-LLMs) with grounded objects (GO). We hypothesize that TSV tasks can benefit from GO within frames, which is supported by our…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Tz-Ying Wu , Sharath Nittur Sridhar , Subarna Tripathi

Spatio-temporal video grounding (or STVG) task aims at locating a spatio-temporal tube for a specific instance given a text query. Despite advancements, current methods easily suffer the distractors or heavy object appearance variations in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Xin Gu , Heng Fan , Yan Huang , Tiejian Luo , Libo Zhang

Temporal awareness is essential for video large language models (LLMs) to understand and reason about events within long videos, enabling applications like dense video captioning and temporal video grounding in a unified system. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Andong Deng , Zhongpai Gao , Anwesa Choudhuri , Benjamin Planche , Meng Zheng , Bin Wang , Terrence Chen , Chen Chen , Ziyan Wu

Temporal grounding is the task of locating a specific segment from an untrimmed video according to a query sentence. This task has achieved significant momentum in the computer vision community as it enables activity grounding beyond…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Juncheng Li , Siliang Tang , Linchao Zhu , Wenqiao Zhang , Yi Yang , Tat-Seng Chua , Fei Wu , Yueting Zhuang

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