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Learning to compare two objects are essential in applications, such as digital forensics, face recognition, and brain network analysis, especially when labeled data is scarce and imbalanced. As these applications make high-stake decisions…

机器学习 · 计算机科学 2021-09-16 Chao Chen , Yifan Shen , Guixiang Ma , Xiangnan Kong , Srinivas Rangarajan , Xi Zhang , Sihong Xie

Drawing inspiration from the lateral lines of fish, the inference of flow characteristics via surface-based data has drawn considerable attention. The current approaches often rely on analytical methods tailored exclusively for potential…

流体动力学 · 物理学 2023-11-03 Colin Rodwell , Kumar Sourav , Phanindra Tallapragada

We demonstrate the existence of confined states in one- and two-dimensional (1D and 2D) systems of two linearly-coupled components, with the confining harmonic-oscillator (HO) potential acting upon one component, and an expulsive anti-HO…

斑图形成与孤子 · 物理学 2022-04-13 Nir Hacker , Boris A. Malomed

Time-synchronized state estimation for reconfigurable distribution networks is challenging because of limited real-time observability. This paper addresses this challenge by formulating a deep learning (DL)-based approach for topology…

机器学习 · 计算机科学 2022-03-31 Behrouz Azimian , Reetam Sen Biswas , Shiva Moshtagh , Anamitra Pal , Lang Tong , Gautam Dasarathy

Modal decomposition techniques are important tools for the analysis of unsteady flows and, in order to provide meaningful insights with respect to coherent structures and their characteristic frequencies, the modes must possess a robust…

流体动力学 · 物理学 2023-08-24 Lucas F. de Souza , Renato F. Miotto , William R. Wolf

Model compression is essential in the deployment of large Computer Vision models on embedded devices. However, static optimization techniques (e.g. pruning, quantization, etc.) neglect the fact that different inputs have different…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Fabio Montello , Ronja Güldenring , Simone Scardapane , Lazaros Nalpantidis

In an effort to understand the meaning of the intermediate representations captured by deep networks, recent papers have tried to associate specific semantic concepts to individual neural network filter responses, where interesting…

计算机视觉与模式识别 · 计算机科学 2018-03-30 Ruth Fong , Andrea Vedaldi

Inferring a network's evolutionary history from a single final snapshot with limited temporal annotations is fundamental yet challenging. Existing approaches predominantly rely on topology alone, which often provides insufficient and noisy…

社会与信息网络 · 计算机科学 2026-01-06 En Xu , Shihe Zhou , Huandong Wang , Jingtao Ding , Yong Li

Two-dimensional (2D) superconductors, characterized by their inherent quantum confinement, strong spin-orbit coupling, and diverse forms of symmetry breaking, provide an ideal platform for exploring novel quantum transport phenomena. This…

超导电性 · 物理学 2026-03-03 Xingrong Ren , Huiqing Ye , Tian Le

We study a class of filters -- discrete finite-state transition systems employed as incremental stream transducers -- that have application to robotics: e.g., to model combinatorial estimators and also as concise encodings of feedback…

机器人学 · 计算机科学 2022-04-04 Yulin Zhang , Dylan A. Shell

The fundamental properties of 2-dimensional (2D) Ising system were formulated using the Loewner theory. We focus on the role of the complexity measure of the 2D geometry, referred to as the Loewner entropy, to derive the…

统计力学 · 物理学 2024-05-22 Yusuke Shibasaki

We develop a mathematically and physically sound definition of the spectrally-hyperviscous Navier-Stokes equations (SHNSE) on general bounded domains \Omega with zero (no-slip) boundary conditions prescribed on \varGamma=\partial\varOmega.…

偏微分方程分析 · 数学 2019-08-30 Joel Avrin

This paper focuses on continuous data assimilation (CDA) for the Navier-Stokes equations with nonlinear slip boundary conditions. CDA methods are typically employed to recover the original system when initial data or viscosity coefficients…

数值分析 · 数学 2025-03-28 W. C. Wu , H. Y. Dong , K. Wang

The study of synchronization of coupled systems is currently undergoing a major surge fueled by recent discoveries of new forms of collective dynamics and the development of techniques to characterize a myriad of new patterns of network…

无序系统与神经网络 · 物理学 2016-10-05 Daniel M. Abrams , Louis M. Pecora , Adilson E. Motter

This paper is concerned with the state estimation problem for two-dimensional systems with asynchronous multichannel delays and energy harvesting constraints. In the system, each smart sensor has a certain probability of harvesting energy…

系统与控制 · 电气工程与系统科学 2024-05-15 Yu Chen , Wei Wang

This paper presents a deep learning assisted synthesis approach for direct end-to-end generation of RF/mm-wave passive matching network with 3D EM structures. Different from prior approaches that synthesize EM structures from target circuit…

机器学习 · 计算机科学 2022-01-07 Siawpeng Er , Edward Liu , Minshuo Chen , Yan Li , Yuqi Liu , Tuo Zhao , Hua Wang

Observability is the property that enables to distinguish two different locations in $n$-dimensional state space from a reduced number of measured variables, usually just one. In high-dimensional systems it is therefore important to make…

神经元与认知 · 定量生物学 2019-05-06 Luis A. Aguirre , Leonardo L. Portes , Christophe Letellier

Dynamic Mode Decomposition (DMD) is an unsupervised machine learning method that has attracted considerable attention in recent years owing to its equation-free structure, ability to easily identify coherent spatio-temporal structures in…

机器学习 · 计算机科学 2022-02-16 Alex Viguerie , Gabriel F. Barros , Malú Grave , Alessandro Reali , Alvaro L. G. A. Coutinho

In this work, we explore the integration of Sequence Encoding for Online Parameter Identification with Physics-Informed Neural Networks to create a model that, once trained, can be utilized for real time applications with variable…

This thesis develops numerical and theoretical approaches for understanding and analyzing singularity formation in Partial Differential Equations (PDEs). The singularity formation in the Navier-Stokes Equation (NSE) is famously challenging…

数值分析 · 数学 2026-04-21 Yixuan Wang