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Acquisition of large datasets for three-dimensional (3D) partial differential equations (PDE) is usually very expensive. Physics-informed neural operator (PINO) eliminates the high costs associated with generation of training datasets, and…

流体动力学 · 物理学 2025-04-10 Sunan Zhao , Zhijie Li , Boyu Fan , Yunpeng Wang , Huiyu Yang , Jianchun Wang

Partial differential equations (PDEs) serve as the cornerstone of mathematical physics. In recent years, Physics-Informed Neural Networks (PINNs) have significantly reduced the dependence on large datasets by embedding physical laws…

机器学习 · 计算机科学 2025-06-09 Wenxuan Huo , Qiang He , Gang Zhu , Weifeng Huang

Existing methods on visual emotion analysis mainly focus on coarse-grained emotion classification, i.e. assigning an image with a dominant discrete emotion category. However, these methods cannot well reflect the complexity and subtlety of…

计算机视觉与模式识别 · 计算机科学 2019-09-13 Sicheng Zhao , Zizhou Jia , Hui Chen , Leida Li , Guiguang Ding , Kurt Keutzer

Image segmentation is a historic and significant computer vision task. With the help of deep learning techniques, image semantic segmentation has made great progresses. Over recent years, based on guidance of attention mechanism compared…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Dongwei Sun , Zhuolin Gao

The approximation of solutions of partial differential equations (PDEs) with numerical algorithms is a central topic in applied mathematics. For many decades, various types of methods for this purpose have been developed and extensively…

Reliable periodic patterns serve as a fundamental basis for accurate multivariate time series forecasting. However, existing methods either implicitly extract periodicity through complex model architectures (e.g., Transformers) with high…

机器学习 · 计算机科学 2026-05-06 Yingbo Zhou , Yutong Ye , Zhiwei Ling , Shuhao Li , Rui Qian , Jian Xiong , Li Sun , Dejing Dou

Physics-Informed Neural Networks (PINNs) have emerged as a promising deep learning framework for approximating numerical solutions to partial differential equations (PDEs). However, conventional PINNs, relying on multilayer perceptrons…

计算工程、金融与科学 · 计算机科学 2024-05-08 Zhiyuan Zhao , Xueying Ding , B. Aditya Prakash

The deployment of extremely large-scale antenna array (ELAA) in sixth-generation (6G) communication systems introduces unique challenges for efficient near-field channel estimation. To tackle these issues, this paper presents a…

信号处理 · 电气工程与系统科学 2026-03-26 Zhiming Zhu , Shu Xu , Chunguo Li , Yongming Huang , Luxi Yang

Physics-informed neural networks (PINNs) as a means of discretizing partial differential equations (PDEs) are garnering much attention in the Computational Science and Engineering (CS&E) world. At least two challenges exist for PINNs at…

计算物理 · 物理学 2023-01-23 Michael Penwarden , Shandian Zhe , Akil Narayan , Robert M. Kirby

Crowd counting, i.e., estimating the number of people in a crowded area, has attracted much interest in the research community. Although many attempts have been reported, crowd counting remains an open real-world problem due to the vast…

计算机视觉与模式识别 · 计算机科学 2020-04-30 Saeed Amirgholipour , Xiangjian He , Wenjing Jia , Dadong Wang , Lei Liu

Recent non-local self-attention methods have proven to be effective in capturing long-range dependencies for semantic segmentation. These methods usually form a similarity map of RC*C (by compressing spatial dimensions) or RHW*HW (by…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Qi Song , Jie Li , Chenghong Li , Hao Guo , Rui Huang

We propose a novel composite framework to find unknown fields in the context of inverse problems for partial differential equations (PDEs). We blend the high expressibility of deep neural networks as universal function estimators with the…

Spatiotemporal partial differential equations (PDEs) underpin a wide range of scientific and engineering applications. Neural PDE solvers offer a promising alternative to classical numerical methods. However, existing approaches typically…

机器学习 · 计算机科学 2026-03-03 Yingjie Tan , Quanming Yao , Yaqing Wang

Accurate modeling of closure terms is a critical challenge in engineering and scientific research, particularly when data is sparse (scarse or incomplete), making widely applicable models difficult to develop. This study proposes a novel…

机器学习 · 计算机科学 2025-05-09 Tian Chen , Shengping Liu , Li Liu , Heng Yong

Semantic segmentation of remote sensing images is essential for various applications, including vegetation monitoring, disaster management, and urban planning. Previous studies have demonstrated that the self-attention mechanism (SA) is an…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Wei Long , Yongjun Zhang , Zhongwei Cui , Yujie Xu , Xuexue Zhang

Predicting the dynamics of complex systems is crucial for various scientific and engineering applications. The accuracy of predictions depends on the model's ability to capture the intrinsic dynamics. While existing methods capture key…

计算工程、金融与科学 · 计算机科学 2025-06-10 Ruikun Li , Jingwen Cheng , Huandong Wang , Qingmin Liao , Yong Li

Simulations of complex physical systems are typically realized by discretizing partial differential equations (PDEs) on unstructured meshes. While neural networks have recently been explored for surrogate and reduced order modeling of PDE…

机器学习 · 计算机科学 2021-10-27 Jiayang Xu , Aniruddhe Pradhan , Karthik Duraisamy

Graph neural network (GNN) is a promising approach to learning and predicting physical phenomena described in boundary value problems, such as partial differential equations (PDEs) with boundary conditions. However, existing models…

机器学习 · 计算机科学 2023-03-24 Masanobu Horie , Naoto Mitsume

Physical systems whose dynamics are governed by partial differential equations (PDEs) find applications in numerous fields, from engineering design to weather forecasting. The process of obtaining the solution from such PDEs may be…

机器学习 · 计算机科学 2022-09-21 Pratyush Bhatt , Yash Kumar , Azzeddine Soulaimani

Machine learning, especially deep learning is gaining much attention due to the breakthrough performance in various cognitive applications. Recently, neural networks (NN) have been intensively explored to model partial differential…

机器学习 · 计算机科学 2022-02-28 Lesley Tan , Liang Chen