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The precise prediction of human mobility has produced significant socioeconomic impacts, such as location recommendations and evacuation suggestions. However, existing methods suffer from limited generalization capability: unimodal…

人工智能 · 计算机科学 2025-12-30 Junshu Dai , Yu Wang , Tongya Zheng , Wei Ji , Qinghong Guo , Ji Cao , Jie Song , Canghong Jin , Mingli Song

Previous methods for dynamic facial expression in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. To solve this problem, we propose the spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Fuyan Ma , Bin Sun , Shutao Li

As the most representative scenario of spatial-temporal forecasting tasks, the traffic forecasting task attracted numerous attention from machine learning community due to its intricate correlation both in space and time dimension. Existing…

机器学习 · 计算机科学 2024-09-16 Xinyu Ning

Human pose estimation in videos remains a challenge, largely due to the reliance on extensive manual annotation of large datasets, which is expensive and labor-intensive. Furthermore, existing approaches often struggle to capture long-range…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Yingying Jiao , Zhigang Wang , Sifan Wu , Shaojing Fan , Zhenguang Liu , Zhuoyue Xu , Zheqi Wu

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…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Zhuo Cao , Bingqing Zhang , Heming Du , Xin Yu , Xue Li , Sen Wang

This paper proposes a novel pretext task to address the self-supervised video representation learning problem. Specifically, given an unlabeled video clip, we compute a series of spatio-temporal statistical summaries, such as the spatial…

计算机视觉与模式识别 · 计算机科学 2021-02-01 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Wei Liu , Yun-hui Liu

Real-time video analysis remains a challenging problem in computer vision, requiring efficient processing of both spatial and temporal information while maintaining computational efficiency. Existing approaches often struggle to balance…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Shahla John

Temporal sentence grounding in videos(TSGV), which aims to localize one target segment from an untrimmed video with respect to a given sentence query, has drawn increasing attentions in the research community over the past few years.…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Xiaohan Lan , Yitian Yuan , Xin Wang , Zhi Wang , Wenwu Zhu

Multi-object tracking (MOT) has profound applications in a variety of fields, including surveillance, sports analytics, self-driving, and cooperative robotics. Despite considerable advancements, existing MOT methodologies tend to falter…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Hamza Mukhtar , Muhammad Usman Ghani Khan

Referring Video Object Segmentation is an emerging multi-modal task that aims to segment objects in the video given a natural language expression. In this work, we build two instance-centric models and fuse predicted results from…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Bin Cao , Yisi Zhang , Hanyi Wang , Xingjian He , Jing Liu

Controllable video generation aims to synthesize video content that aligns precisely with user-provided conditions, such as text descriptions and initial images. However, a significant challenge persists in this domain: existing models…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Peng Hu , Yu Gu , Liang Luo , Fuji Ren

Video Temporal Grounding (VTG) aims to localize relevant temporal segments in videos given natural language queries. Despite recent progress with large vision-language models (LVLMs) and instruction-tuning, existing approaches often suffer…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Ruizhe Chen , Zhiting Fan , Tianze Luo , Heqing Zou , Zhaopeng Feng , Guiyang Xie , Hansheng Zhang , Zhuochen Wang , Zuozhu Liu , Huaijian Zhang

Multiple object tracking (MOT) in Unmanned Aerial Vehicle (UAV) videos is important for diverse applications in computer vision. Current MOT trackers rely on accurate object detection results and precise matching of target reidentification…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Jianbo Ma , Chuanming Tang , Fei Wu , Can Zhao , Jianlin Zhang , Zhiyong Xu

Recently, Space-Time Memory Network (STM) based methods have achieved state-of-the-art performance in semi-supervised video object segmentation (VOS). A crucial problem in this task is how to model the dependency both among different frames…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Jianbiao Mei , Mengmeng Wang , Yeneng Lin , Yi Yuan , Yong Liu

Video anomaly detection is a fundamental task in video surveillance, with broad applications in public safety and intelligent monitoring systems. Although previous methods leverage Euclidean representations in RGB or depth domains, such…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Jiaping Cao , Kangkang Zhou , Juan Du

As robots begin to cohabit with humans in semi-structured environments, the need arises to understand instructions involving rich variability---for instance, learning to ground symbols in the physical world. Realistically, this task must…

人工智能 · 计算机科学 2017-06-02 Yordan Hristov , Svetlin Penkov , Alex Lascarides , Subramanian Ramamoorthy

Robotic motor control necessitates the ability to predict the dynamics of environments and interaction objects. However, advanced self-supervised pre-trained visual representations in robotic motor control, leveraging large-scale egocentric…

机器人学 · 计算机科学 2024-11-25 Jiange Yang , Bei Liu , Jianlong Fu , Bocheng Pan , Gangshan Wu , Limin Wang

We propose a novel framework for the task of object-centric video prediction, i.e., extracting the compositional structure of a video sequence, as well as modeling objects dynamics and interactions from visual observations in order to…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Angel Villar-Corrales , Ismail Wahdan , Sven Behnke

In this paper, we propose a novel learning scheme for self-supervised video representation learning. Motivated by how humans understand videos, we propose to first learn general visual concepts then attend to discriminative local areas for…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Rui Qian , Shuangrui Ding , Xian Liu , Dahua Lin

Most visual grounding solutions primarily focus on realistic images. However, applications involving synthetic images, such as Graphical User Interfaces (GUIs), remain limited. This restricts the development of autonomous computer…

人机交互 · 计算机科学 2025-07-21 El Hassane Ettifouri , Jessica López Espejel , Laura Minkova , Tassnim Dardouri , Walid Dahhane