activity
20202023
most citedPrediction of transonic flow over supercritical airfoils using geometric-encoding and deep-learning strategies

51 citations · 117 across the 12 of their papers we have counts for

collaborators

13 papers

cs.LG2023

Learning to simulate partially known spatio-temporal dynamics with trainable difference operators

Xiang Huang, Zhuoyuan Li, Hongsheng Liu +4

Recently, using neural networks to simulate spatio-temporal dynamics has received a lot of attention. However, most existing methods adopt pure data-driven black-box models, which…

math.NA2023★ 2 cited

Analysis of the Decoder Width for Parametric Partial Differential Equations

Zhanhong Ye, Hongsheng Liu, Zidong Wang +1

Recently, Meta-Auto-Decoder (MAD) was proposed as a novel reduced order model (ROM) for solving parametric partial differential equations (PDEs), and the best possible performance…

physics.flu-dyn2023★ 51 cited

Prediction of transonic flow over supercritical airfoils using geometric-encoding and deep-learning strategies

Zhiwen Deng, Jing Wang, Hongsheng Liu +7

The Reynolds-averaged Navier-Stokes equation for compressible flow over supercritical airfoils under various flow conditions must be rapidly and accurately solved to shorten design…

cs.CV2023★ 6 cited

Adaptive Rotated Convolution for Rotated Object Detection

Yifan Pu, Yiru Wang, Zhuofan Xia +6

Rotated object detection aims to identify and locate objects in images with arbitrary orientation. In this scenario, the oriented directions of objects vary considerably across dif…

math.NA2023★ 2 cited

Solving Boltzmann equation with neural sparse representation

Zhengyi Li, Yanli Wang, Hongsheng Liu +2

We consider the neural sparse representation to solve Boltzmann equation with BGK and quadratic collision model, where a network-based ansatz that can approximate the distribution…

cs.LG2022★ 13 cited

Unsupervisedly Prompting AlphaFold2 for Few-Shot Learning of Accurate Folding Landscape and Protein Structure Prediction

Jun Zhang, Sirui Liu, Mengyun Chen +12

Data-driven predictive methods which can efficiently and accurately transform protein sequences into biologically active structures are highly valuable for scientific research and…

q-bio.BM2022★ 9 cited

PSP: Million-level Protein Sequence Dataset for Protein Structure Prediction

Sirui Liu, Jun Zhang, Haotian Chu +16

Proteins are essential component of human life and their structures are important for function and mechanism analysis. Recent work has shown the potential of AI-driven methods for…

eess.IV2022★ 4 cited

Data and Physics Driven Learning Models for Fast MRI -- Fundamentals and Methodologies from CNN, GAN to Attention and Transformers

Jiahao Huang, Yingying Fang, Yang Nan +9

Research studies have shown no qualms about using data driven deep learning models for downstream tasks in medical image analysis, e.g., anatomy segmentation and lesion detection,…

cs.LG2021★ 12 cited

Solving Partial Differential Equations with Point Source Based on Physics-Informed Neural Networks

Xiang Huang, Hongsheng Liu, Beiji Shi +11

In recent years, deep learning technology has been used to solve partial differential equations (PDEs), among which the physics-informed neural networks (PINNs) emerges to be a pro…

cs.LG2021★ 17 cited

Meta-Auto-Decoder for Solving Parametric Partial Differential Equations

Xiang Huang, Zhanhong Ye, Hongsheng Liu +11

Many important problems in science and engineering require solving the so-called parametric partial differential equations (PDEs), i.e., PDEs with different physical parameters, bo…

cs.LG2021

AsymptoticNG: A regularized natural gradient optimization algorithm with look-ahead strategy

Zedong Tang, Fenlong Jiang, Junke Song +5

Optimizers that further adjust the scale of gradient, such as Adam, Natural Gradient (NG), etc., despite widely concerned and used by the community, are often found poor generaliza…

cs.LG2020

Eigenvalue-corrected Natural Gradient Based on a New Approximation

Kai-Xin Gao, Xiao-Lei Liu, Zheng-Hai Huang +5

Using second-order optimization methods for training deep neural networks (DNNs) has attracted many researchers. A recently proposed method, Eigenvalue-corrected Kronecker Factoriz…

cs.LG2020★ 1 cited

A Trace-restricted Kronecker-Factored Approximation to Natural Gradient

Kai-Xin Gao, Xiao-Lei Liu, Zheng-Hai Huang +4

Second-order optimization methods have the ability to accelerate convergence by modifying the gradient through the curvature matrix. There have been many attempts to use second-ord…