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Significant progress has been made for estimating optical flow using deep neural networks. Advanced deep models achieve accurate flow estimation often with a considerable computation complexity and time-consuming training processes. In this…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Lingtong Kong , Jie Yang

The internet is filled with fake face images and videos synthesized by deep generative models. These realistic DeepFakes pose a challenge to determine the authenticity of multimedia content. As countermeasures, artifact-based detection…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Gaojian Wang , Qian Jiang , Xin Jin , Xiaohui Cui

We propose FedNET, a proactive and privacy-preserving framework for early identification of high-risk links in large-scale communication networks, that leverages a distributed multi-step traffic forecasting method. FedNET employs Federated…

机器学习 · 计算机科学 2025-11-11 Saroj Kumar Panda , Basabdatta Palit , Sadananda Behera

Multivariate time series (MTS) forecasting is crucial in many real-world applications. To achieve accurate MTS forecasting, it is essential to simultaneously consider both intra- and inter-series relationships among time series data.…

机器学习 · 计算机科学 2024-02-26 Kun Yi , Qi Zhang , Hui He , Kaize Shi , Liang Hu , Ning An , Zhendong Niu

Multivariate time-series forecasting plays a crucial role in many real-world applications. It is a challenging problem as one needs to consider both intra-series temporal correlations and inter-series correlations simultaneously. Recently,…

机器学习 · 计算机科学 2021-03-16 Defu Cao , Yujing Wang , Juanyong Duan , Ce Zhang , Xia Zhu , Conguri Huang , Yunhai Tong , Bixiong Xu , Jing Bai , Jie Tong , Qi Zhang

Time series data are everywhere -- from finance to healthcare -- and each domain brings its own unique complexities and structures. While advanced models like Transformers and graph neural networks (GNNs) have gained popularity in time…

机器学习 · 计算机科学 2025-04-01 Fan-Keng Sun , Yu-Cheng Wu , Duane S. Boning

Despite the fact that many anomaly detection approaches have been developed for multivariate time series data, limited effort has been made on federated settings in which multivariate time series data are heterogeneously distributed among…

机器学习 · 计算机科学 2022-05-10 Wei Zhu , Dongjin Song , Yuncong Chen , Wei Cheng , Bo Zong , Takehiko Mizoguchi , Cristian Lumezanu , Haifeng Chen , Jiebo Luo

This paper proposes the fine-grained traffic prediction task (e.g. interval between data points is 1 minute), which is essential to traffic-related downstream applications. Under this setting, traffic flow is highly influenced by traffic…

机器学习 · 计算机科学 2023-06-21 Zhanyu Liu , Chumeng Liang , Guanjie Zheng , Hua Wei

This paper considers the problem of extracting building footprints from satellite imagery -- a task that is critical for many urban planning and decision-making applications. While recent advancements in deep learning have made great…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Muhammad Ahmad Waseem , Muhammad Tahir , Zubair Khalid , Momin Uppal

Time series forecasting models are becoming increasingly prevalent due to their critical role in decision-making across various domains. However, most existing approaches represent the coupled temporal patterns, often neglecting the…

机器学习 · 计算机科学 2025-09-26 Jintao Zhang , Mingyue Cheng , Xiaoyu Tao , Zhiding Liu , Daoyu Wang

The problem of automatic and accurate forecasting of time-series data has always been an interesting challenge for the machine learning and forecasting community. A majority of the real-world time-series problems have non-stationary…

神经与进化计算 · 计算机科学 2021-08-18 Rohit Kaushik , Shikhar Jain , Siddhant Jain , Tirtharaj Dash

Recent normalization-based methods have shown great success in tackling the distribution shift issue, facilitating non-stationary time series forecasting. Since these methods operate in the time domain, they may fail to fully capture the…

机器学习 · 统计学 2024-10-17 Xihao Piao , Zheng Chen , Yushun Dong , Yasuko Matsubara , Yasushi Sakurai

Complex spatial dependencies in transportation networks make traffic prediction extremely challenging. Much existing work is devoted to learning dynamic graph structures among sensors, and the strategy of mining spatial dependencies from…

机器学习 · 计算机科学 2023-12-20 Yujie Li , Zezhi Shao , Yongjun Xu , Qiang Qiu , Zhaogang Cao , Fei Wang

Physics-based deep learning frameworks have shown to be effective in accurately modeling the dynamics of complex physical systems with generalization capability across problem inputs. Data-driven networks like GNN, Neural Operators have…

机器学习 · 计算机科学 2024-12-23 Rini Jasmine Gladstone , Hadi Meidani

Accurate quality prediction in multi-process manufacturing is critical for industrial efficiency but hindered by three core challenges: time-lagged process interactions, overlapping operations with mixed periodicity, and inter-process…

机器学习 · 计算机科学 2025-07-31 Yang Luo , Haoyang Luan , Haoyun Pan , Yongquan Jia , Xiaofeng Gao , Guihai Chen

Recently, methods that represent data as a graph, such as graph neural networks (GNNs) have been successfully used to learn data representations and structures to solve classification and link prediction problems. The applications of such…

机器学习 · 计算机科学 2022-10-04 Usman Mahmood , Zening Fu , Vince Calhoun , Sergey Plis

This paper addresses the task of set prediction using deep feed-forward neural networks. A set is a collection of elements which is invariant under permutation and the size of a set is not fixed in advance. Many real-world problems, such as…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Hamid Rezatofighi , Tianyu Zhu , Roman Kaskman , Farbod T. Motlagh , Qinfeng Shi , Anton Milan , Daniel Cremers , Laura Leal-Taixé , Ian Reid

One unique property of time series is that the temporal relations are largely preserved after downsampling into two sub-sequences. By taking advantage of this property, we propose a novel neural network architecture that conducts sample…

机器学习 · 计算机科学 2022-10-14 Minhao Liu , Ailing Zeng , Muxi Chen , Zhijian Xu , Qiuxia Lai , Lingna Ma , Qiang Xu

Spatio-temporal (ST) data, which represent multiple time series data corresponding to different spatial locations, are ubiquitous in real-world dynamic systems, such as air quality readings. Forecasting over ST data is of great importance…

机器学习 · 计算机科学 2018-10-01 Zheyi Pan , Yuxuan Liang , Junbo Zhang , Xiuwen Yi , Yong Yu , Yu Zheng

Predicting the dynamics of complex systems is crucial for various scientific and engineering applications. The accuracy of predictions depends on the model's ability to capture the intrinsic dynamics. While existing methods capture key…

计算工程、金融与科学 · 计算机科学 2025-06-10 Ruikun Li , Jingwen Cheng , Huandong Wang , Qingmin Liao , Yong Li