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The generalization of neural networks is a central challenge in machine learning, especially concerning the performance under distributions that differ from training ones. Current methods, mainly based on the data-driven paradigm such as…

机器学习 · 计算机科学 2023-12-18 Yige Yuan , Bingbing Xu , Bo Lin , Liang Hou , Fei Sun , Huawei Shen , Xueqi Cheng

Physics-informed neural networks (PINNs) are often selected by a single scalar loss even when the quantity of interest is more specific. We study a hybrid design in which the governing PDE residual remains automatic-differentiation (AD)…

机器学习 · 计算机科学 2026-04-17 Stavros Kassinos

Finding the most likely path to a set of failure states is important to the analysis of safety-critical systems that operate over a sequence of time steps, such as aircraft collision avoidance systems and autonomous cars. In many…

In this work, we extend a modified Anderson acceleration proposed in [Y. He, arXiv:2603.25983, 2026] to accelerate the Picard iteration for the Navier-Stokes equations. In this variant of Anderson acceleration, named AAg, the nonlinear…

数值分析 · 数学 2026-05-19 Yunhui He , Leo Rebholz

We provide a number of extensions and further interpretations of the Parameterized-Background Data-Weak (PBDW) formulation, a real-time and in-situ Data Assimilation (DA) framework for physical systems modeled by parametrized Partial…

数值分析 · 数学 2017-12-29 Yvon Maday , Tommaso Taddei

Operator learning has become a powerful tool for accelerating the solution of parameterized partial differential equations (PDEs), enabling rapid prediction of full spatiotemporal fields for new initial conditions or forcing functions.…

机器学习 · 计算机科学 2025-12-18 Hongjin Mi , Huiqiang Lun , Changhong Mou , Yeyu Zhang

Dimensionality reduction is crucial for controlling nonlinear partial differential equations (PDE) through a "reduce-then-design" strategy, which identifies a reduced-order model and then implements model-based control solutions. However,…

系统与控制 · 电气工程与系统科学 2024-03-05 Xiangyuan Zhang , Saviz Mowlavi , Mouhacine Benosman , Tamer Başar

We study model-agnostic post-hoc calibration methods intended to improve probabilistic predictions in supervised binary classification on real i.i.d. tabular data, with particular emphasis on conformal and Venn-based approaches that provide…

机器学习 · 计算机科学 2026-01-29 Valery Manokhin , Daniel Grønhaug

How to model fine-grained spatial-temporal dynamics in videos has been a challenging problem for action recognition. It requires learning deep and rich features with superior distinctiveness for the subtle and abstract motions. Most…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Hanxi Lin , Xinxiao Wu , Jiebo Luo

This chapter deals with the stabilization of a class of linear time-varying parabolic partial differential equations employing receding horizon control (RHC). Here, RHC is finite-dimensional, i.e., it enters as a time-depending linear…

最优化与控制 · 数学 2024-01-18 Behzad Azmi , Jan Rohleff , Stefan Volkwein

Adversarial training (AT) and its variants have spearheaded progress in improving neural network robustness to adversarial perturbations and common corruptions in the last few years. Algorithm design of AT and its variants are focused on…

机器学习 · 计算机科学 2022-06-15 Kaustubh Sridhar , Souradeep Dutta , Ramneet Kaur , James Weimer , Oleg Sokolsky , Insup Lee

Tacho-less rotational speed estimation is critical for vibration-based prognostics and health management (PHM) of rotating machinery, yet traditional methods--such as time-domain periodicity, cepstrum, and harmonic comb matching--struggle…

信号处理 · 电气工程与系统科学 2026-04-01 Weiheng Hua , Changyu Hao

Many important problems in science and engineering require solving the so-called parametric partial differential equations (PDEs), i.e., PDEs with different physical parameters, boundary conditions, shapes of computational domains, etc.…

数值分析 · 数学 2024-02-06 Zhanhong Ye , Xiang Huang , Hongsheng Liu , Bin Dong

A general a posteriori error analysis applies to five lowest-order finite element methods for two fourth-order semi-linear problems with trilinear non-linearity and a general source. A quasi-optimal smoother extends the source term to the…

数值分析 · 数学 2023-09-18 Carsten Carstensen , Benedikt Gräßle , Neela Nataraj

This paper presents a data-driven receding horizon fault estimation method for additive actuator and sensor faults in unknown linear time-invariant systems, with enhanced robustness to stochastic identification errors. State-of-the-art…

系统与控制 · 计算机科学 2015-03-02 Yiming Wan , Tamas Keviczky , Michel Verhaegen , Fredrik Gustafsson

Adaptive sampling with interpolation-based trust regions or ASTRO-DF is a successful algorithm for stochastic derivative-free optimization with an easy-to-understand-and-implement concept that guarantees almost sure convergence to a…

最优化与控制 · 数学 2024-01-18 Yunsoo Ha , Sara Shashaani

This paper introduces a novel partial differential equation (PDE) framework for single-image dehazing. We embed the atmospheric scattering model into a PDE featuring edge-preserving diffusion and a nonlocal operator to maintain both local…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Liubing Hu , Pu Wang , Guangwei Gao , Chunyan Wang , Zhuoran Zheng

Partial Differential Equations (PDEs) are the bedrock for modern computational sciences and engineering, and inherently computationally expensive. While PDE foundation models have shown much promise for simulating such complex…

Efficient real-time disparity estimation is critical for the application of stereo vision systems in various areas. Recently, stereo network based on coarse-to-fine method has largely relieved the memory constraints and speed limitations of…

计算机视觉与模式识别 · 计算机科学 2020-11-19 He Dai , Xuchong Zhang , Yongli Zhao , Hongbin Sun

One-shot magnitude pruning can cause severe accuracy collapse in the high-sparsity regime, even when the pruning mask preserves the largest weights. We argue that this failure reflects a granularity mismatch in post-pruning repair. Under…

机器学习 · 计算机科学 2026-05-21 Qishi Zhan , Ziheng Chen , Minxuan Hu