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Video Corpus Moment Retrieval (VCMR) is a practical video retrieval task focused on identifying a specific moment within a vast corpus of untrimmed videos using the natural language query. Existing methods for VCMR typically rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Danyang Hou , Liang Pang , Huawei Shen , Xueqi Cheng

Video corpus moment retrieval~(VCMR) is the task of retrieving a relevant video moment from a large corpus of untrimmed videos via a natural language query. State-of-the-art work for VCMR is based on two-stage method. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Danyang Hou , Liang Pang , Yanyan Lan , Huawei Shen , Xueqi Cheng

This study focuses on weakly-supervised Video Moment Retrieval (VMR), aiming to identify a moment semantically similar to the given query within an untrimmed video using only video-level correspondences, without relying on temporal…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Bolin Zhang , Chao Yang , Bin Jiang , Takahiro Komamizu , Ichiro Ide

Given a collection of untrimmed and unsegmented videos, video corpus moment retrieval (VCMR) is to retrieve a temporal moment (i.e., a fraction of a video) that semantically corresponds to a given text query. As video and text are from two…

Computation and Language · Computer Science 2021-05-14 Hao Zhang , Aixin Sun , Wei Jing , Guoshun Nan , Liangli Zhen , Joey Tianyi Zhou , Rick Siow Mong Goh

Motivated by the increasing need of saving search effort by obtaining relevant video clips instead of whole videos, we propose a new task, named Semantic Video Moments Retrieval at scale (SVMR), which aims at finding relevant videos coupled…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Na Li

In this paper, we propose the task of \textit{Ranked Video Moment Retrieval} (RVMR) to locate a ranked list of matching moments from a collection of videos, through queries in natural language. Although a few related tasks have been…

Artificial Intelligence · Computer Science 2024-07-25 Renjie Liang , Li Li , Chongzhi Zhang , Jing Wang , Xizhou Zhu , Aixin Sun

Video Corpus Moment Retrieval (VCMR) is a new video retrieval task aimed at retrieving a relevant moment from a large corpus of untrimmed videos using a text query. The relevance between the video and query is partial, mainly evident in two…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Danyang Hou , Liang Pang , Huawei Shen , Xueqi Cheng

We tackle the task of video moment retrieval (VMR), which aims to localize a specific moment in a video according to a textual query. Existing methods primarily model the matching relationship between query and moment by complex cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Xun Yang , Fuli Feng , Wei Ji , Meng Wang , Tat-Seng Chua

Video Moment Retrieval (VMR) aims to localize temporal segments in videos that correspond to a natural language query, but typically assumes only a single matching moment for each query. This assumption does not always hold in real-world…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Yiming Ding , Siyu Cao , Luyuan Jiao , Yixuan Li , Zitong Wang , Zhiyong Liu , Lu Zhang

Video Moment Retrieval is a common task to evaluate the performance of visual-language models - it involves localising start and end times of moments in videos from query sentences. The current task formulation assumes that the queried…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Kevin Flanagan , Dima Damen , Michael Wray

Video Moment Retrieval (VMR) aims to localize a specific temporal segment within an untrimmed long video given a natural language query. Existing methods often suffer from inadequate training annotations, i.e., the sentence typically…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Weitong Cai , Jiabo Huang , Shaogang Gong , Hailin Jin , Yang Liu

Video moment retrieval (VMR) identifies a specific moment in an untrimmed video for a given natural language query. This task is prone to suffer the weak alignment problem innate in video datasets. Due to the ambiguity, a query does not…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Minjoon Jung , Youwon Jang , Seongho Choi , Joochan Kim , Jin-Hwa Kim , Byoung-Tak Zhang

Video Moment Retrieval (VMR) aims at retrieving the most relevant events from an untrimmed video with natural language queries. Existing VMR methods suffer from two defects: (1) massive expensive temporal annotations are required to obtain…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Xun Jiang , Zailei Zhou , Xing Xu , Yang Yang , Guoqing Wang , Heng Tao Shen

Despite the great success achieved, existing video moment retrieval (VMR) methods are developed under the assumption that data are centralizedly stored. However, in real-world applications, due to the inherent nature of data generation and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Yan Wang , Xin Luo , Zhen-Duo Chen , Peng-Fei Zhang , Meng Liu , Xin-Shun Xu

Video moment search, the process of finding relevant moments in a video corpus to match a user's query, is crucial for various applications. Existing solutions, however, often assume a single perfect matching moment, struggle with…

Information Retrieval · Computer Science 2025-01-10 Chongzhi Zhang , Xizhou Zhu , Aixin Sun

Video Moment Retrieval (VMR) aims to retrieve relevant moments of an untrimmed video corresponding to the query. While cross-modal interaction approaches have shown progress in filtering out query-irrelevant information in videos, they…

Artificial Intelligence · Computer Science 2024-08-26 Chenghua Gao , Min Li , Jianshuo Liu , Junxing Ren , Lin Chen , Haoyu Liu , Bo Meng , Jitao Fu , Wenwen Su

Existing Moment retrieval (MR) methods focus on Single-Moment Retrieval (SMR). However, one query can correspond to multiple relevant moments in real-world applications. This makes the existing datasets and methods insufficient for video…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Zhuo Cao , Heming Du , Bingqing Zhang , Xin Yu , Xue Li , Sen Wang

Given an untrimmed video and a sentence query, video moment retrieval using language (VMR) aims to locate a target query-relevant moment. Since the untrimmed video is overlong, almost all existing VMR methods first sparsely down-sample each…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Xiang Fang , Daizong Liu , Wanlong Fang , Pan Zhou , Zichuan Xu , Wenzheng Xu , Junyang Chen , Renfu Li

Existing Video Corpus Moment Retrieval (VCMR) is limited to coarse-grained understanding, which hinders precise video moment localization when given fine-grained queries. In this paper, we propose a more challenging fine-grained VCMR…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Houlun Chen , Xin Wang , Hong Chen , Zeyang Zhang , Wei Feng , Bin Huang , Jia Jia , Wenwu Zhu

Known-item video search is effective with human-in-the-loop to interactively investigate the search result and refine the initial query. Nevertheless, when the first few pages of results are swamped with visually similar items, or the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Zhixin Ma , Chong-Wah Ngo
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