English
Related papers

Related papers: Localizing Moments in Video with Natural Language

200 papers

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

The query-based moment retrieval is a problem of localising a specific clip from an untrimmed video according a query sentence. This is a challenging task that requires interpretation of both the natural language query and the video…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Mayu Otani , Yuta Nakashima , Esa Rahtu , Janne Heikkilä

This paper targets the task of language-based video moment localization. The language-based setting of this task allows for an open set of target activities, resulting in a large variation of the temporal lengths of video moments. Most…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Qi Zheng , Jianfeng Dong , Xiaoye Qu , Xun Yang , Yabing Wang , Pan Zhou , Baolong Liu , Xun Wang

Given a query, the task of Natural Language Video Localization (NLVL) is to localize a temporal moment in an untrimmed video that semantically matches the query. In this paper, we adopt a proposal-based solution that generates proposals…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Jing Wang , Aixin Sun , Hao Zhang , Xiaoli Li

The goal of weakly-supervised video moment retrieval is to localize the video segment most relevant to the given natural language query without access to temporal annotations during training. Prior strongly- and weakly-supervised approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Reuben Tan , Huijuan Xu , Kate Saenko , Bryan A. Plummer

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

Referring Video Object Segmentation (RefVOS) seeks to segment target objects in videos guided by natural language descriptions, demanding both temporal reasoning and fine-grained visual comprehension. Existing sampling strategies for…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Ming Dai , Sen Yang , Boqiang Duan , Wankou Yang , Jingdong Wang

This paper studies the problem of temporal moment localization in a long untrimmed video using natural language as the query. Given an untrimmed video and a sentence as the query, the goal is to determine the starting, and the ending, of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-13 Cristian Rodriguez-Opazo , Edison Marrese-Taylor , Fatemeh Sadat Saleh , Hongdong Li , Stephen Gould

Video summarization has become an increasingly important task in the field of computer vision due to the vast amount of video content available on the internet. In this project, we propose a new method for natural language query based joint…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Richard Luo , Austin Peng , Heidi Yap , Koby Beard

Temporal moment localization aims to retrieve the best video segment matching a moment specified by a query. The existing methods generate the visual and semantic embeddings independently and fuse them without full consideration of the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Jungkyoo Shin , Jinyoung Moon

In this paper, we propose a new approach for retrieval of video segments using natural language queries. Unlike most previous approaches such as concept-based methods or rule-based structured models, the proposed method uses image…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Sangkuk Lee , Daesik Kim , Myunggi Lee , Jihye Hwang , Nojun Kwak

Current methods for Video Moment Retrieval (VMR) struggle to align complex situations involving specific environmental details, character descriptions, and action narratives. To tackle this issue, we propose a Large Language Model-guided…

Computer Vision and Pattern Recognition · Computer Science 2024-05-22 Weijia Liu , Bo Miao , Jiuxin Cao , Xuelin Zhu , Bo Liu , Mehwish Nasim , Ajmal Mian

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

Retrieving partially relevant segments from untrimmed videos remains difficult due to two persistent challenges: the mismatch in information density between text and video segments, and limited attention mechanisms that overlook semantic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Junkai Yang , Qirui Wang , Yaoqing Jin , Shuai Ma , Minghan Xu , Shanmin Pang

Most natural videos contain numerous events. For example, in a video of a "man playing a piano", the video might also contain "another man dancing" or "a crowd clapping". We introduce the task of dense-captioning events, which involves both…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Ranjay Krishna , Kenji Hata , Frederic Ren , Li Fei-Fei , Juan Carlos Niebles

Natural Language Video Localization (NLVL), grounding phrases from natural language descriptions to corresponding video segments, is a complex yet critical task in video understanding. Despite ongoing advancements, many existing solutions…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Chongzhi Zhang , Mingyuan Zhang , Zhiyang Teng , Jiayi Li , Xizhou Zhu , Lewei Lu , Ziwei Liu , Aixin Sun

Video corpus moment retrieval (VCMR) is the task to retrieve the most relevant video moment from a large video corpus using a natural language query. For narrative videos, e.g., dramas or movies, the holistic understanding of temporal…

Computation and Language · Computer Science 2022-10-25 Minjoon Jung , Seongho Choi , Joochan Kim , Jin-Hwa Kim , Byoung-Tak Zhang

Most existing video moment retrieval methods rely on temporal sequences of frame- or clip-level features that primarily encode global visual and semantic information. However, such representations often fail to capture fine-grained object…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Zongyao Li , Yongkang Wong , Satoshi Yamazaki , Jianquan Liu , Mohan Kankanhalli

Natural language video localization (NLVL), which aims to locate a target moment from a video that semantically corresponds to a text query, is a novel and challenging task. Toward this end, in this paper, we present a comprehensive survey…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Xinfang Liu , Xiushan Nie , Zhifang Tan , Jie Guo , Yilong Yin

Video moment retrieval targets at retrieving a moment in a video for a given language query. The challenges of this task include 1) the requirement of localizing the relevant moment in an untrimmed video, and 2) bridging the semantic gap…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Haoyu Tang , Jihua Zhu , Meng Liu , Zan Gao , Zhiyong Cheng