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Dynamic scene graph generation aims at generating a scene graph of the given video. Compared to the task of scene graph generation from images, it is more challenging because of the dynamic relationships between objects and the temporal…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Yuren Cong , Wentong Liao , Hanno Ackermann , Bodo Rosenhahn , Michael Ying Yang

Intelligent medical diagnosis has shown remarkable progress based on the large-scale datasets with precise annotations. However, fewer labeled images are available due to significantly expensive cost for annotating data by experts. To fully…

图像与视频处理 · 电气工程与系统科学 2023-03-06 Wentao Lei , Lei Liu , Li Liu

Representation learning over graph structure data has been widely studied due to its wide application prospects. However, previous methods mainly focus on static graphs while many real-world graphs evolve over time. Modeling such evolution…

机器学习 · 统计学 2020-09-02 Tijin Yan , Hongwei Zhang , Zirui Li , Yuanqing Xia

Time-evolving traffic flow forecasting are playing a vital role in intelligent transportation systems and smart cities. However, the dynamic traffic flow forecasting is a highly nonlinear problem with complex temporal-spatial dependencies.…

机器学习 · 计算机科学 2025-08-05 Zhenan Lin , Yuni Lai , Wai Lun Lo , Richard Tai-Chiu Hsung , Harris Sik-Ho Tsang , Xiaoyu Xue , Kai Zhou , Yulin Zhu

The core challenge in basketball tactic modeling lies in efficiently extracting complex spatial-temporal dependencies from historical data and accurately predicting various in-game events. Existing state-of-the-art (SOTA) models, primarily…

机器学习 · 计算机科学 2025-03-17 Xu Lingrui , Liu Mandi , Zhang Lei

Distribution shift severely degrades the performance of deep forecasting models. While this issue is well-studied for individual time series, it remains a significant challenge in the spatio-temporal domain. Effective solutions like…

机器学习 · 计算机科学 2026-04-20 Zhaobo Hu , Vincent Gauthier , Mehdi Naima

Generative adversarial networks (GANs) are a recent approach to train generative models of data, which have been shown to work particularly well on image data. In the current paper we introduce a new model for texture synthesis based on GAN…

计算机视觉与模式识别 · 计算机科学 2017-09-11 Nikolay Jetchev , Urs Bergmann , Roland Vollgraf

Trajectory prediction is a crucial undertaking in understanding entity movement or human behavior from observed sequences. However, current methods often assume that the observed sequences are complete while ignoring the potential for…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Yi Xu , Armin Bazarjani , Hyung-gun Chi , Chiho Choi , Yun Fu

Explosive growth in spatio-temporal data and its wide range of applications have attracted increasing interests of researchers in the statistical and machine learning fields. The spatio-temporal regression problem is of paramount importance…

机器学习 · 计算机科学 2020-09-15 Aniruddha Rajendra Rao , Qiyao Wang , Haiyan Wang , Hamed Khorasgani , Chetan Gupta

Question answering in temporal knowledge graphs requires retrieval that is both time-consistent and efficient. Existing RAG methods are largely semantic and typically neglect explicit temporal constraints, which leads to time-inconsistent…

信息检索 · 计算机科学 2025-10-21 Zulun Zhu , Haoyu Liu , Mengke He , Siqiang Luo

Heterogeneous temporal graphs (HTGs) are ubiquitous data structures in the real world. Recently, to enhance representation learning on HTGs, numerous attention-based neural networks have been proposed. Despite these successes, existing…

机器学习 · 计算机科学 2025-10-22 Yili Wang , Tairan Huang , Changlong He , Qiutong Li , Jianliang Gao

Remote sensing spatiotemporal fusion (STF) addresses the fundamental trade-off between temporal and spatial resolution by combining high temporal-low spatial and high spatial-low temporal imagery. This paper presents the first comprehensive…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Enzhe Sun , Yongchuan Cui , Peng Liu , Jining Yan

Graph processes exhibit a temporal structure determined by the sequence index and and a spatial structure determined by the graph support. To learn from graph processes, an information processing architecture must then be able to exploit…

信号处理 · 电气工程与系统科学 2020-12-02 Luana Ruiz , Fernando Gama , Alejandro Ribeiro

In recent years, there has been a rapid development of spatio-temporal prediction techniques in response to the increasing demands of traffic management and travel planning. While advanced end-to-end models have achieved notable success in…

机器学习 · 计算机科学 2023-11-09 Zhonghang Li , Lianghao Xia , Yong Xu , Chao Huang

In recent years, neural network approaches have been widely adopted for machine learning tasks, with applications in computer vision. More recently, unsupervised generative models based on neural networks have been successfully applied to…

机器学习 · 计算机科学 2018-02-06 Maya Kabkab , Pouya Samangouei , Rama Chellappa

Spatiotemporal graph neural networks (ST-GNNs) are powerful tools for modeling spatial and temporal data dependencies. However, their applications have been limited primarily to small-scale datasets because of memory constraints. While…

分布式、并行与集群计算 · 计算机科学 2025-09-17 Seth Ockerman , Amal Gueroudji , Tanwi Mallick , Yixuan He , Line Pouchard , Robert Ross , Shivaram Venkataraman

The spatio-temporal graph learning is becoming an increasingly important object of graph study. Many application domains involve highly dynamic graphs where temporal information is crucial, e.g. traffic networks and financial transaction…

机器学习 · 计算机科学 2021-06-16 Bing Yu , Haoteng Yin , Zhanxing Zhu

Spatio-temporal graphs are widely used in modeling complex dynamic processes such as traffic forecasting, molecular dynamics, and healthcare monitoring. Recently, stringent privacy regulations such as GDPR and CCPA have introduced…

机器学习 · 计算机科学 2025-11-13 Qiming Guo , Wenbo Sun , Wenlu Wang

Understanding, predicting, and generating object motions and transformations is a core problem in artificial intelligence. Modeling sequences of evolving images may provide better representations and models of motion and may ultimately be…

计算机视觉与模式识别 · 计算机科学 2016-12-07 Arnab Ghosh , Viveka Kulharia , Amitabha Mukerjee , Vinay Namboodiri , Mohit Bansal

Temporal Video Grounding (TVG) aims to localize temporal moments in an untrimmed video that semantically correspond to given natural language queries. Recently, Graph Convolutional Networks (GCN) have been widely adopted in TVG to model…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Zhanjie Hu , Bolin Zhang , Jianhua Wang , Jianbo Zheng , Chenchen Yan , Takahiro Komamizu , Ichiro Ide , Jiangbo Qian