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Estimating continuous optical flow is a fundamental yet challenging problem in dynamic visual perception. Event-based cameras, with microsecond latency and high dynamic range, capture brightness changes asynchronously, offering a unique…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Rui Hu , Song Wu , Wen Yang , Jinjian Wu

Accurate forecasting of passenger flows is critical for maintaining the efficiency and resilience of airport operations. Recent advances in patch-based Transformer models have shown strong potential in various time series forecasting tasks.…

Machine Learning · Computer Science 2025-12-16 Wenbo Du , Lingling Han , Ying Xiong , Ling Zhang , Biyue Li , Yisheng Lv , Tong Guo

Simulating the long-term dynamics of multi-scale and multi-physics systems poses a significant challenge in understanding complex phenomena across science and engineering. The complexity arises from the intricate interactions between scales…

Machine Learning · Computer Science 2025-09-22 Da Long , Shandian Zhe , Samuel Williams , Leonid Oliker , Zhe Bai

This paper proposes a two-stage framework named ST-PAD for spatio-temporal fluid dynamics modeling in the field of earth sciences, aiming to achieve high-precision simulation and prediction of fluid dynamics through spatio-temporal physics…

Machine Learning · Computer Science 2024-03-22 Hao Wu , Fan Xu , Yifan Duan , Ziwei Niu , Weiyan Wang , Gaofeng Lu , Kun Wang , Yuxuan Liang , Yang Wang

Reconstructing physical field tensors from \textit{in situ} observations, such as radio maps and ocean sound speed fields, is crucial for enabling environment-aware decision making in various applications, e.g., wireless communications and…

Signal Processing · Electrical Eng. & Systems 2025-06-16 Panqi Chen , Siyuan Li , Lei Cheng , Xiao Fu , Yik-Chung Wu , Sergios Theodoridis

Multi-task networks can potentially improve performance and computational efficiency compared to single-task networks, facilitating online deployment. However, current multi-task architectures in point cloud perception combine multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Christopher Lang , Alexander Braun , Lars Schillingmann , Abhinav Valada

Accurate reconstruction of global Sea surface temperature (SST), which dominates the air-sea coupling and global climate variability, underpins climate monitoring and prediction. Existing SST reconstruction products primarily provide one…

Atmospheric and Oceanic Physics · Physics 2026-03-24 Haijie Li , Ya Wang , Kai Yang , Gang Huang , Xiangao Xia , Ziming Chen , Weichen Tao , Chenglin Lyu , Lin Chen , Miao Zhang , Kaiming Hu , Hainan Gong , Disong Fu , Lin Wang

Forecasting sea surface currents is essential for applications such as maritime navigation, environmental monitoring, and climate analysis, particularly in regions like the Gulf of Thailand and the Andaman Sea. This paper introduces…

Atmospheric and Oceanic Physics · Physics 2024-09-27 Teerapong Panboonyuen

Scene flow estimation is a crucial component in the development of autonomous driving and 3D robotics, providing valuable information for environment perception and navigation. Despite the advantages of learning-based scene flow estimation…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Rahul Ahuja , Chris Baker , Wilko Schwarting

Long-term satellite image time series (SITS) analysis in heterogeneous landscapes faces significant challenges, particularly in Mediterranean regions where complex spatial patterns, seasonal variations, and multi-decade environmental…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Ido Faran , Nathan S. Netanyahu , Maxim Shoshany

We present a mask-piloted Transformer which improves masked-attention in Mask2Former for image segmentation. The improvement is based on our observation that Mask2Former suffers from inconsistent mask predictions between consecutive decoder…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Hao Zhang , Feng Li , Huaizhe Xu , Shijia Huang , Shilong Liu , Lionel M. Ni , Lei Zhang

Sea surface temperature (SST) is an essential climate variable that can be measured via ground truth, remote sensing, or hybrid model methodologies. Here, we celebrate SST surveillance progress via the application of a few relevant…

Atmospheric and Oceanic Physics · Physics 2023-06-19 Albert Larson , Ali Shafqat Akanda

Background: Accurate short-term readmission prediction of ICU patients is significant in improving the efficiency of resource assignment by assisting physicians in making discharge decisions. Clinically, both individual static static and…

Machine Learning · Computer Science 2024-07-17 Zhe Sun , Runzhi Li , Jing Wang , Gang Chen , Siyu Yan , Lihong Ma

Quality degradation is observed in underwater images due to the effects of light refraction and absorption by water, leading to issues like color cast, haziness, and limited visibility. This degradation negatively affects the performance of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 MD Raqib Khan , Anshul Negi , Ashutosh Kulkarni , Shruti S. Phutke , Santosh Kumar Vipparthi , Subrahmanyam Murala

Accurate and timely traffic flow forecasting is crucial for intelligent transportation systems. This paper presents a novel deep learning model, the Spatial-Temporal Unified Graph Attention Network (STGAtt). By leveraging a unified graph…

Machine Learning · Computer Science 2025-08-26 Zhuding Liang , Jianxun Cui , Qingshuang Zeng , Feng Liu , Nenad Filipovic , Tijana Geroski

For visual estimation of optical flow, a crucial function for many vision tasks, unsupervised learning, using the supervision of view synthesis has emerged as a promising alternative to supervised methods, since ground-truth flow is not…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Zitang Sun , Shin'ya Nishida , Zhengbo Luo

Over the past few decades, the hydrology community has witnessed notable advancements in streamflow prediction, particularly with the introduction of cutting-edge machine-learning algorithms. Recurrent neural networks, especially Long…

Machine Learning · Computer Science 2023-05-23 Sinan Rasiya Koya , Tirthankar Roy

This work presents a framework for tracking head movements and capturing the movements of the mouth and both the eyebrows in real-time. We present a head tracker which is a combination of a optical flow and a template based tracker. The…

Computer Vision and Pattern Recognition · Computer Science 2011-01-04 E. R. Gast , Michael S. Lew

In this paper, we develop a novel mobility-aware transformer-driven tiered structure (MASSFormer) based cooperative spectrum sensing method that effectively models the spatio-temporal dynamics of user movements. Unlike existing methods, our…

Information Theory · Computer Science 2024-09-27 Dimpal Janu , Sandeep Mandia , Kuldeep Singh , Sandeep Kumar

Motion prediction is an important aspect for Autonomous Driving (AD) and Advance Driver Assistance Systems (ADAS). Current state-of-the-art motion prediction methods rely on High Definition (HD) maps for capturing the surrounding context of…

Machine Learning · Computer Science 2025-04-15 Harsh Yadav , Maximilian Schaefer , Kun Zhao , Tobias Meisen