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This paper introduces a Particle Flow Map Level Set (PFM-LS) method for high-fidelity interface tracking. We store level-set values, gradients, and Hessians on particles concentrated in a narrow band around the interface, advecting them via…

Computational Physics · Physics 2026-01-16 Jinjin He , Taiyuan Zhang , Zhiqi Li , Junwei Zhou , Duowen Chen , Bo Zhu

Detecting roadway segments inundated due to floodwater has important applications for vehicle routing and traffic management decisions. This paper proposes a set of algorithms to automatically detect floodwater that may be present in an…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Cem Sazara , Mecit Cetin , Khan M. Iftekharuddin

Traditional equation-driven hydrological models often struggle to accurately predict streamflow in challenging regional Earth systems like the Tibetan Plateau, while hybrid and existing algorithm-driven models face difficulties in…

Artificial Intelligence · Computer Science 2025-01-10 Cuihui Xia , Lei Yue , Deliang Chen , Yuyang Li , Hongqiang Yang , Ancheng Xue , Zhiqiang Li , Qing He , Guoqing Zhang , Dambaru Ballab Kattel , Lei Lei , Ming Zhou

Shallow water equations (SWEs) are the backbone of most hydrodynamics models for flood prediction, river engineering, and many other water resources applications. The estimation of flow resistance, i.e., the Manning's roughness coefficient…

Fluid Dynamics · Physics 2026-05-12 Xiaofeng Liu , Yalan Song

This paper revisits the ordered statistics decoding (OSD). It provides a comprehensive analysis of the OSD algorithm by characterizing the statistical properties, evolution and the distribution of the Hamming distance and weighted Hamming…

Information Theory · Computer Science 2021-05-10 Chentao Yue , Mahyar Shirvanimoghaddam , Branka Vucetic , Yonghui Li

In the last decade, autonomous navigation for roboticshas been leveraged by deep learning and other approachesbased on machine learning. These approaches have demon-strated significant advantages in robotics performance. Butthey have the…

As a fundamental problem of natural language processing, it is important to measure the distance between different documents. Among the existing methods, the Word Mover's Distance (WMD) has shown remarkable success in document semantic…

Machine Learning · Computer Science 2019-07-12 Zihao Wang , Datong Zhou , Yong Zhang , Hao Wu , Chenglong Bao

In this study, we report the use of digital holography microscopy (DHM) for 3D-resolved flow kinematics and shear rheometry of viscoelastic polymeric fluids. We computationally reconstruct the recorded holograms to visualize the tracer…

Fluid Dynamics · Physics 2019-10-03 Siddhartha Gupta , Siva A. Vanapalli

Scene flow estimation determines a scene's 3D motion field, by predicting the motion of points in the scene, especially for aiding tasks in autonomous driving. Many networks with large-scale point clouds as input use voxelization to create…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Qingwen Zhang , Yi Yang , Heng Fang , Ruoyu Geng , Patric Jensfelt

In order to protect the intellectual property (IP) of deep neural networks (DNNs), many existing DNN watermarking techniques either embed watermarks directly into the DNN parameters or insert backdoor watermarks by fine-tuning the DNN…

Cryptography and Security · Computer Science 2021-10-19 Xiangyu Zhao , Yinzhe Yao , Hanzhou Wu , Xinpeng Zhang

Floods are highly uncertain events, occurring in different regions, with varying prerequisites and intensities. A highly reliable flood disaster risk map can help reduce the impact of floods for flood management, disaster decreasing, and…

Applications · Statistics 2021-07-06 Hongping Zhang , Zhenfeng Shao , Jinqi Zhao , Xiao Huang , Jie Yang , Bin Hu , Wenfu Wu

Collecting flow records is a common practice of network operators and researchers for monitoring, diagnosing and understanding a network. Traditional tools like NetFlow face great challenges when both the speed and the complexity of the…

Networking and Internet Architecture · Computer Science 2018-12-06 Zongyi Zhao , Xingang Shi , Xia Yin , Zhiliang Wang

In the expanding field of generative artificial intelligence, integrating robust watermarking technologies is essential to protect intellectual property and maintain content authenticity. Traditionally, watermarking techniques have been…

Machine Learning · Computer Science 2024-10-15 Renyi Yang

To minimize the sediment flowing to the outlet of a river catchment with minimal effort or cost, it is important to select the best areas to perform a certain intervention, e.g., afforestation. CAMF (Cellular Automata based heuristic for…

Computational Engineering, Finance, and Science · Computer Science 2022-02-24 Grethell Castillo-Reyes , René Estrella , Karen Gabriels , Jos Van Orshoven , Floris Abrams , Dirk Roose

Using deep learning, this paper addresses the problem of joint object boundary detection and boundary motion estimation in videos, which we named boundary flow estimation. Boundary flow is an important mid-level visual cue as boundaries…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Peng Lei , Fuxin Li , Sinisa Todorovic

Hierarchical federated learning (HFL) has emerged as a key architecture for large-scale wireless and Internet of Things systems, where devices communicate with nearby edge servers before reaching the cloud. In these environments, uplink…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-03 Amirreza Kazemi , Seyed Mohammad Azimi-Abarghouyi , Gabor Fodor , Carlo Fischione

Graph Representation Learning (GRL) has become central for characterizing structures of complex networks and performing tasks such as link prediction, node classification, network reconstruction, and community detection. Whereas numerous…

Social and Information Networks · Computer Science 2023-08-10 Nikolaos Nakis , Abdulkadir Çelikkanat , Sune Lehmann Jørgensen , Morten Mørup

With the massive data challenges nowadays and the rapid growing of technology, stream mining has recently received considerable attention. To address the large number of scenarios in which this phenomenon manifests itself suitable tools are…

Machine Learning · Computer Science 2016-04-19 Jorge Luis Rivero Perez , Bernardete Ribeiro , Carlos Morell Perez

Groundwater flow in Washington DC greatly influences the surface water quality in urban areas. The current methods of flow estimation, based on Darcy's Law and the groundwater flow equation, can be described by the diffusion equation (the…

Numerical Analysis · Mathematics 2010-01-20 Li Chen

There is growing interest in developing mathematical models and appropriate numerical methods for problems involving networks formed by, essentially, one-dimensional (1D) domains joined by junctions. Examples include hyperbolic equations in…

Numerical Analysis · Mathematics 2017-08-08 Francesca Bellamoli , Lucas Omar Müller , Eleuterio Francisco Toro
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