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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

Human pose estimation is one of the key problems in computer vision that has been studied in the recent years. The significance of human pose estimation is in the higher level tasks of understanding human actions applications such as…

Computer Vision and Pattern Recognition · Computer Science 2014-08-26 Oinam Binarani Devi , Nissi S. Paul , Y. Jayanta Singh

The goal of text-to-video retrieval is to search large databases for relevant videos based on text queries. Existing methods have progressed to handling explicit queries where the visual content of interest is described explicitly; however,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Yiqing Shen , Chenxiao Fan , Chenjia Li , Mathias Unberath

Object tracking is an ubiquitous problem that appears in many applications such as remote sensing, audio processing, computer vision, human-machine interfaces, human-robot interaction, etc. Although thoroughly investigated in computer…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Sileye Ba , Xavier Alameda-Pineda , Alessio Xompero , Radu Horaud

Spatially dense self-supervised learning is a rapidly growing problem domain with promising applications for unsupervised segmentation and pretraining for dense downstream tasks. Despite the abundance of temporal data in the form of videos,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Mohammadreza Salehi , Efstratios Gavves , Cees G. M. Snoek , Yuki M. Asano

The increasing use of machine learning models has amplified the demand for high-quality, large-scale multimodal datasets. However, the availability of such datasets, especially those combining acoustic, visual and textual data, remains…

Multimedia · Computer Science 2025-09-09 Jorge E. León , Miguel Carrasco

Generating human videos from a single image while ensuring high visual quality and precise control is a challenging task, especially in complex scenarios involving multiple individuals and interactions with objects. Existing methods, while…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Zhenzhi Wang , Yixuan Li , Yanhong Zeng , Yuwei Guo , Dahua Lin , Tianfan Xue , Bo Dai

Video captioning is a challenging task that requires a deep understanding of visual scenes. State-of-the-art methods generate captions using either scene-level or object-level information but without explicitly modeling object interactions.…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Boxiao Pan , Haoye Cai , De-An Huang , Kuan-Hui Lee , Adrien Gaidon , Ehsan Adeli , Juan Carlos Niebles

Video-based human pose estimation models aim to address scenarios that cannot be effectively solved by static image models such as motion blur, out-of-focus and occlusion. Most existing approaches consist of two stages: detecting human…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Zhihong Wei

Speaker identification refers to the task of localizing the face of a person who has the same identity as the ongoing voice in a video. This task not only requires collective perception over both visual and auditory signals, the robustness…

Machine Learning · Computer Science 2016-02-16 Jimmy Ren , Yongtao Hu , Yu-Wing Tai , Chuan Wang , Li Xu , Wenxiu Sun , Qiong Yan

Person re-identification (Re-ID) aims to match pedestrians under dis-joint cameras. Most Re-ID methods formulate it as visual representation learning and image search, and its accuracy is consequently affected greatly by the search space.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Min Ren , Lingxiao He , Xingyu Liao , Wu Liu , Yunlong Wang , Tieniu Tan

Text-based person search is the task of finding person images that are the most relevant to the natural language text description given as query. The main challenge of this task is a large gap between the target images and text queries,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Jicheol Park , Boseung Jeong , Dongwon Kim , Suha Kwak

We address the problem of retrieving a specific moment from an untrimmed video by a query sentence. This is a challenging problem because a target moment may take place in relations to other temporal moments in the untrimmed video. Existing…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Songyang Zhang , Houwen Peng , Jianlong Fu , Jiebo Luo

Most existing cross-modal language-to-video retrieval (VR) research focuses on single-modal input from video, i.e., visual representation, while the text is omnipresent in human environments and frequently critical to understand video. To…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Weijia Wu , Yuzhong Zhao , Zhuang Li , Jiahong Li , Hong Zhou , Mike Zheng Shou , Xiang Bai

This paper explores the task of interactive image retrieval using natural language queries, where a user progressively provides input queries to refine a set of retrieval results. Moreover, our work explores this problem in the context of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Fuwen Tan , Paola Cascante-Bonilla , Xiaoxiao Guo , Hui Wu , Song Feng , Vicente Ordonez

We consider the task of estimating 3D human pose and shape from videos. While existing frame-based approaches have made significant progress, these methods are independently applied to each image, thereby often leading to inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Yun-Chun Chen , Marco Piccirilli , Robinson Piramuthu , Ming-Hsuan Yang

Currently successful methods for video description are based on encoder-decoder sentence generation using recur-rent neural networks (RNNs). Recent work has shown the advantage of integrating temporal and/or spatial attention mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2017-03-13 Chiori Hori , Takaaki Hori , Teng-Yok Lee , Kazuhiro Sumi , John R. Hershey , Tim K. Marks

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

One of the recent trends in vision problems is to use natural language captions to describe the objects of interest. This approach can overcome some limitations of traditional methods that rely on bounding boxes or category annotations.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Pha Nguyen , Kha Gia Quach , Kris Kitani , Khoa Luu

Unsupervised human motion segmentation (HMS) can be effectively achieved using subspace clustering techniques. However, traditional methods overlook the role of temporal semantic exploration in HMS. This paper explores the use of temporal…

Machine Learning · Computer Science 2025-12-30 Zheng Xing , Weibing Zhao