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Video Moment Retrieval (VMR) aims to retrieve temporal segments in untrimmed videos corresponding to a given language query by constructing cross-modal alignment strategies. However, these existing strategies are often sub-optimal since…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Zhihang Liu , Jun Li , Hongtao Xie , Pandeng Li , Jiannan Ge , Sun-Ao Liu , Guoqing Jin

Despite the recent success of neural networks in image feature learning, a major problem in the video domain is the lack of sufficient labeled data for learning to model temporal information. In this paper, we propose an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Linchao Zhu , Zhongwen Xu , Yi Yang

Temporal cues in videos provide important information for recognizing actions accurately. However, temporal-discriminative features can hardly be extracted without using an annotated large-scale video action dataset for training. This paper…

Computer Vision and Pattern Recognition · Computer Science 2020-08-06 Jinpeng Wang , Yiqi Lin , Andy J. Ma , Pong C. Yuen

There have been a few recent methods proposed in text to video moment retrieval using natural language queries, but requiring full supervision during training. However, acquiring a large number of training videos with temporal boundary…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Niluthpol Chowdhury Mithun , Sujoy Paul , Amit K. Roy-Chowdhury

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

Video moment retrieval aims at finding the start and end timestamps of a moment (part of a video) described by a given natural language query. Fully supervised methods need complete temporal boundary annotations to achieve promising…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Ran Cui , Tianwen Qian , Pai Peng , Elena Daskalaki , Jingjing Chen , Xiaowei Guo , Huyang Sun , Yu-Gang Jiang

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

Video Question Answering (VideoQA) aims to answer natural language questions based on the information observed in videos. Despite the recent success of Large Multimodal Models (LMMs) in image-language understanding and reasoning, they deal…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Haibo Wang , Chenghang Lai , Yixuan Sun , Weifeng Ge

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

This paper tackles a recently proposed Video Corpus Moment Retrieval task. This task is essential because advanced video retrieval applications should enable users to retrieve a precise moment from a large video corpus. We propose a novel…

Multimedia · Computer Science 2021-09-22 Zhijian Hou , Chong-Wah Ngo , Wing Kwong Chan

Prior works on text-based video moment localization focus on temporally grounding the textual query in an untrimmed video. These works assume that the relevant video is already known and attempt to localize the moment on that relevant video…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Sudipta Paul , Niluthpol Chowdhury Mithun , Amit K. Roy-Chowdhury

Pre-training video transformers generally requires a large amount of data, presenting significant challenges in terms of data collection costs and concerns related to privacy, licensing, and inherent biases. Synthesizing data is one of the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Yuchi Ishikawa , Masayoshi Kondo , Yoshimitsu Aoki

In this paper, we propose a novel method for video moment retrieval (VMR) that achieves state of the arts (SOTA) performance on R@1 metrics and surpassing the SOTA on the high IoU metric (R@1, IoU=0.7). First, we propose to use a multi-head…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Xinli Yu , Mohsen Malmir , Cynthia He , Yue Liu , Rex Wu

Generating consecutive descriptions for videos, i.e., Video Captioning, requires taking full advantage of visual representation along with the generation process. Existing video captioning methods focus on making an exploration of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Pengpeng Zeng , Haonan Zhang , Lianli Gao , Xiangpeng Li , Jin Qian , Heng Tao Shen

Temporal grounding aims to localize a video moment which is semantically aligned with a given natural language query. Existing methods typically apply a detection or regression pipeline on the fused representation with the research focus on…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Zhenzhi Wang , Limin Wang , Tao Wu , Tianhao Li , Gangshan Wu

The task of temporally grounding textual queries in videos is to localize one video segment that semantically corresponds to the given query. Most of the existing approaches rely on segment-sentence pairs (temporal annotations) for…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Yijun Song , Jingwen Wang , Lin Ma , Zhou Yu , Jun Yu

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

We address the problem of language-based temporal localization of moments in untrimmed videos. Compared to temporal localization with fixed categories, this problem is more challenging as the language-based queries have no predefined…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Madhawa Vidanapathirana , Supriya Pandhre , Sonia Raychaudhuri , Anjali Khurana

We address the challenging task of cross-modal moment retrieval, which aims to localize a temporal segment from an untrimmed video described by a natural language query. It poses great challenges over the proper semantic alignment between…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Kun Liu , Huadong Ma , Chuang Gan

Neural module networks (NMN) have achieved success in image-grounded tasks such as Visual Question Answering (VQA) on synthetic images. However, very limited work on NMN has been studied in the video-grounded dialogue tasks. These tasks…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Hung Le , Nancy F. Chen , Steven C. H. Hoi