no code implementations • 20 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.
1 code implementation • 20 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.
no code implementations • 17 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.
1 code implementation • 19 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.
no code implementations • 16 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.
no code implementations • 14 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.
1 code implementation • 2 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.
1 code implementation • 18 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.
1 code implementation • 15 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.
2 code implementations • 17 Aug 2021 • Xiaoqian Chen, Zhiqiang Gong, Xiaoyu Zhao, Weien Zhou, Wen Yao
To overcome this problem, this work develops a machine learning modelling benchmark for TFR-HSS task.
no code implementations • 23 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.
1 code implementation • 9 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).
1 code implementation • 22 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.
1 code implementation • 20 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.
1 code implementation • 17 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.