Search Results for author: Weien Zhou

Found 15 papers, 10 papers with code

A Plug-and-Play Defensive Perturbation for Copyright Protection of DNN-based Applications

no code implementations20 Apr 2023 Donghua Wang, Wen Yao, Tingsong Jiang, Weien Zhou, Lang Lin, Xiaoqian Chen

Then, we extract the copyright information from the encoded copyrighted image with the devised copyright decoder.

Style Transfer

RecFNO: a resolution-invariant flow and heat field reconstruction method from sparse observations via Fourier neural operator

1 code implementation20 Feb 2023 Xiaoyu Zhao, Xiaoqian Chen, Zhiqiang Gong, Weien Zhou, Wen Yao, Yunyang Zhang

The MLP embedding is propitious to more sparse input, while the others benefit from spatial information preservation and perform better with the increase of observation data.

Super-Resolution

Multi-fidelity surrogate modeling for temperature field prediction using deep convolution neural network

no code implementations17 Jan 2023 Yunyang Zhang, Zhiqiang Gong, Weien Zhou, Xiaoyu Zhao, Xiaohu Zheng, Wen Yao

Then, a self-supervised learning method for training the physics-driven deep multi-fidelity model (PD-DMFM) is proposed, which fully utilizes the physics characteristics of the engineering systems and reduces the dependence on large amounts of labeled low-fidelity data in the training process.

Self-Supervised Learning

Robust Regression with Highly Corrupted Data via Physics Informed Neural Networks

1 code implementation19 Oct 2022 Wei Peng, Wen Yao, Weien Zhou, Xiaoya Zhang, Weijie Yao

Physics-informed neural networks (PINNs) have been proposed to solve two main classes of problems: data-driven solutions and data-driven discovery of partial differential equations.

regression

Heat Source Layout Optimization Using Automatic Deep Learning Surrogate and Multimodal Neighborhood Search Algorithm

no code implementations16 May 2022 Jialiang Sun, Xiaohu Zheng, Wen Yao, Xiaoya Zhang, Weien Zhou, Xiaoqian Chen

In satellite layout design, heat source layout optimization (HSLO) is an effective technique to decrease the maximum temperature and improve the heat management of the whole system.

Layout Design Management +1

Bayesian Physics-Informed Extreme Learning Machine for Forward and Inverse PDE Problems with Noisy Data

no code implementations14 May 2022 Xu Liu, Wen Yao, Wei Peng, Weien Zhou

Besides, for inverse PDE problems, problem parameters considered as new output layer weights are unified in a framework with forward PDE problems.

Uncertainty Quantification

RANG: A Residual-based Adaptive Node Generation Method for Physics-Informed Neural Networks

1 code implementation2 May 2022 Wei Peng, Weien Zhou, Xiaoya Zhang, Wen Yao, Zheliang Liu

Learning solutions of partial differential equations (PDEs) with Physics-Informed Neural Networks (PINNs) is an attractive alternative approach to traditional solvers due to its flexibility and ease of incorporating observed data.

Computational Efficiency

Temperature Field Inversion of Heat-Source Systems via Physics-Informed Neural Networks

1 code implementation18 Jan 2022 Xu Liu, Wei Peng, Zhiqiang Gong, Weien Zhou, Wen Yao

In this work, we develop a physics-informed neural network-based temperature field inversion (PINN-TFI) method to solve the TFI-HSS task and a coefficient matrix condition number based position selection of observations (CMCN-PSO) method to select optima positions of noise observations.

FCA: Learning a 3D Full-coverage Vehicle Camouflage for Multi-view Physical Adversarial Attack

1 code implementation15 Sep 2021 Donghua Wang, Tingsong Jiang, Jialiang Sun, Weien Zhou, Xiaoya Zhang, Zhiqiang Gong, Wen Yao, Xiaoqian Chen

To bridge the gap between digital attacks and physical attacks, we exploit the full 3D vehicle surface to propose a robust Full-coverage Camouflage Attack (FCA) to fool detectors.

Adversarial Attack object-detection +1

A novel meta-learning initialization method for physics-informed neural networks

no code implementations23 Jul 2021 Xu Liu, Xiaoya Zhang, Wei Peng, Weien Zhou, Wen Yao

Inspired by this idea, we propose the new Reptile initialization to sample more tasks from the parameterized PDEs and adapt the penalty term of the loss.

Meta-Learning

IDRLnet: A Physics-Informed Neural Network Library

1 code implementation9 Jul 2021 Wei Peng, Jun Zhang, Weien Zhou, Xiaoyu Zhao, Wen Yao, Xiaoqian Chen

Physics Informed Neural Network (PINN) is a scientific computing framework used to solve both forward and inverse problems modeled by Partial Differential Equations (PDEs).

Joint Deep Reversible Regression Model and Physics-Informed Unsupervised Learning for Temperature Field Reconstruction

1 code implementation22 Jun 2021 Zhiqiang Gong, Weien Zhou, Jun Zhang, Wei Peng, Wen Yao

To solve this problem, this work develops a novel physics-informed deep reversible regression models for temperature field reconstruction of heat-source systems (TFR-HSS), which can better reconstruct the temperature field with limited monitoring points unsupervisedly.

regression

A Deep Neural Network Surrogate Modeling Benchmark for Temperature Field Prediction of Heat Source Layout

1 code implementation20 Mar 2021 Xianqi Chen, Xiaoyu Zhao, Zhiqiang Gong, Jun Zhang, Weien Zhou, Xiaoqian Chen, Wen Yao

Thermal issue is of great importance during layout design of heat source components in systems engineering, especially for high functional-density products.

Layout Design Model Selection +1

Accelerating Physics-Informed Neural Network Training with Prior Dictionaries

1 code implementation17 Apr 2020 Wei Peng, Weien Zhou, Jun Zhang, Wen Yao

Physics-Informed Neural Networks (PINNs) can be regarded as general-purpose PDE solvers, but it might be slow to train PINNs on particular problems, and there is no theoretical guarantee of corresponding error bounds.

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