hp-VPINNs: Variational physics-informed neural networks with domain decomposition

E Kharazmi, Z Zhang, GE Karniadakis - Computer Methods in Applied …, 2021 - Elsevier
We formulate a general framework for hp-variational physics-informed neural networks (hp-
VPINNs) based on the nonlinear approximation of shallow and deep neural networks and …

Variational physics-informed neural networks for solving partial differential equations

E Kharazmi, Z Zhang, GE Karniadakis - arXiv preprint arXiv:1912.00873, 2019 - arxiv.org
Physics-informed neural networks (PINNs)[31] use automatic differentiation to solve partial
differential equations (PDEs) by penalizing the PDE in the loss function at a random set of …

Nonlinear approximation via compositions

Z Shen, H Yang, S Zhang - Neural Networks, 2019 - Elsevier
Given a function dictionary D and an approximation budget N∈ N, nonlinear approximation
seeks the linear combination of the best N terms {T n} 1≤ n≤ N⊆ D to approximate a given …

Cardinality minimization, constraints, and regularization: a survey

AM Tillmann, D Bienstock, A Lodi, A Schwartz - SIAM Review, 2024 - SIAM
We survey optimization problems that involve the cardinality of variable vectors in
constraints or the objective function. We provide a unified viewpoint on the general problem …

Fast optical proximity correction method based on nonlinear compressive sensing

X Ma, Z Wang, Y Li, GR Arce, L Dong… - Optics Express, 2018 - opg.optica.org
Optical proximity correction (OPC) is an extensively used resolution enhancement technique
(RET) in optical lithography. To date, the computational efficiency has become a big issue …

[PDF][PDF] 计算光刻研究及进展

马旭, 张胜恩, 潘毅华, 张钧碧, 余成臻… - Laser & …, 2022 - researching.cn
摘要光刻是将集成电路器件的结构图形从掩模转移到硅片或其他半导体基片表面上的工艺过程,
是实现高端芯片量产的关键技术. 在摩尔定律的推动下, 光刻技术跨越了90~ 7 nm …

Non-linear inverse scattering via sparsity regularized contrast source inversion

MT Bevacqua, L Crocco, L Di Donato… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Two compressive sensing inspired approaches for the solution of non-linear inverse
scattering problems are introduced and discussed. Differently from the sparsity promoting …

A non-linear reweighted total variation image reconstruction algorithm for electrical capacitance tomography

K Li, TC Chandrasekera, Y Li… - IEEE Sensors …, 2018 - ieeexplore.ieee.org
A new iterative image reconstruction algorithm for electrical capacitance tomography (ECT)
is proposed which is based on iterative soft thresholding of a total variation penalty and …

PPR: Plug-and-play regularization model for solving nonlinear imaging inverse problems

B Shi, Q Lian, X Fan - Signal Processing, 2019 - Elsevier
The problem of recovering an image of interest from nonlinear measured data is
challenging. To address this nonlinear imaging inverse problem, we propose a novel Plug …

[PDF][PDF] 基于压缩感知的快速激光超声合成孔径聚焦技术

何志同, 应恺宁, 戴鹭楠, 倪辰荫 - Chinese Journal of Lasers, 2024 - researching.cn
摘要传统激光超声合成孔径聚焦技术(LU-SAFT) 通常需要在待测样品表面以小步长扫描来提高
横向分辨率, 但小扫描步长会导致总检测时间过长, 影响检测效率. 针对这一问题 …