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The emergence of neural networks constrained by physical governing equations has sparked a new trend in deep learning research, which is known as Physics-Informed Neural Networks (PINNs). However, solving high-dimensional problems with…

机器学习 · 计算机科学 2025-09-26 Biao Yuan , Ana Heitor , He Wang , Xiaohui Chen

A popular concept which describes the structure of polymer interfaces by ``intrinsic profiles'' centered around a two dimensional surface, the ``local interface position'', is tested by extensive Monte Carlo simulations of interfaces…

软凝聚态物质 · 物理学 2009-10-31 A. Werner , F. Schmid , M. Mueller , K. Binder

One of the main components of an autonomous vehicle is the obstacle detection pipeline. Most prototypes, both from research and industry, rely on lidars for this task. Pointcloud information from lidar is usually combined with data from…

机器人学 · 计算机科学 2021-09-16 Simone Mentasti , Matteo Matteucci , Stefano Arrigoni , Federico Cheli

In this paper, we develop and analyze a trilinear immersed finite element method for solving three-dimensional elliptic interface problems. The proposed method can be utilized on interface-unfitted meshes such as Cartesian grids consisting…

数值分析 · 数学 2021-06-30 Ruchi Guo , Xu Zhang

Continual learning (CL) aims to train models that can learn a sequence of tasks without forgetting previously acquired knowledge. A core challenge in CL is balancing stability -- preserving performance on old tasks -- and plasticity --…

机器学习 · 计算机科学 2025-05-14 Zhenrong Liu , Janne M. J. Huttunen , Mikko Honkala

We present a novel interface-capturing scheme, THINC-scaling, to unify the VOF (volume of fluid) and the level set methods, which have been developed as two different approaches widely used in various applications. The key to success is to…

数值分析 · 数学 2021-04-14 Ronit Kumar , Lidong Cheng , Yunong Xiong , Bin Xie , Remi Abgrall , Feng Xiao

High-fidelity computational fluid dynamics (CFD) simulations for design space explorations can be exceedingly expensive due to the cost associated with resolving the finer scales. This computational cost/accuracy trade-off is a major…

流体动力学 · 物理学 2024-03-14 Peetak Mitra , Majid Haghshenas , Niccolo Dal Santo , Conor Daly , David P. Schmidt

A programming tactic involving polyhedra is reported that has been widely applied in the polyhedral analysis of (constraint) logic programs. The method enables the computations of convex hulls that are required for polyhedral analysis to be…

编程语言 · 计算机科学 2007-05-23 Florence Benoy , Andy King , Fred Mesnard

As a powerful modelling method, PieceWise Linear Neural Networks (PWLNNs) have proven successful in various fields, most recently in deep learning. To apply PWLNN methods, both the representation and the learning have long been studied. In…

机器学习 · 计算机科学 2022-06-22 Qinghua Tao , Li Li , Xiaolin Huang , Xiangming Xi , Shuning Wang , Johan A. K. Suykens

In this paper, we propose a novel mesh-free numerical method for solving the elliptic interface problems based on deep learning. We approximate the solution by the neural networks and, since the solution may change dramatically across the…

数值分析 · 数学 2020-05-12 Cuiyu He , Xiaozhe Hu , Lin Mu

Designing protein sequences that fold into a target 3-D structure, termed as the inverse folding problem, is central to protein engineering. However, it remains challenging due to the vast sequence space and the importance of local…

定量方法 · 定量生物学 2026-03-17 Sazan Mahbub , Souvik Kundu , Eric P. Xing

Lidar sensors are widely used in various applications, ranging from scientific fields over industrial use to integration in consumer products. With an ever growing number of different driver assistance systems, they have been introduced to…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Frederik Hasecke , Lukas Hahn , Anton Kummert

Adversarial imitation learning (AIL) is a popular method that has recently achieved much success. However, the performance of AIL is still unsatisfactory on the more challenging tasks. We find that one of the major reasons is due to the low…

机器学习 · 计算机科学 2023-07-07 Jialei Huang , Zhaoheng Yin , Yingdong Hu , Yang Gao

This work introduces CLIP, a CUDA-accelerated phase-field lattice Boltzmann framework for simulating immiscible two-phase flows with high density and viscosity ratios in both two- and three-dimensional domains. By leveraging GPU…

流体动力学 · 物理学 2025-05-20 Mehdi Shadkhah , Mohammad Taeibi Rahni , Azadeh Kebriaee , Mohammad Reza Salimi

Locally Linear Embedding (LLE) is a nonlinear spectral dimensionality reduction and manifold learning method. It has two main steps which are linear reconstruction and linear embedding of points in the input space and embedding space,…

机器学习 · 统计学 2022-09-13 Benyamin Ghojogh , Ali Ghodsi , Fakhri Karray , Mark Crowley

Pruning is a widely used method for compressing Deep Neural Networks (DNNs), where less relevant parameters are removed from a DNN model to reduce its size. However, removing parameters reduces model accuracy, so pruning is typically…

机器学习 · 计算机科学 2025-06-17 Wenhao Hu , Paul Henderson , José Cano

Optimizing iPIC3D, an implicit Particle-in-Cell (PIC) code, for large-scale 3D plasma simulations is crucial for space and astrophysical applications. This work focuses on characterizing iPIC3D's communication efficiency through strategic…

等离子体物理 · 物理学 2024-08-06 Jeremy J. Williams , Daniel Medeiros , Ivy B. Peng , Stefano Markidis

In this paper, we present a novel deep image clustering approach termed PICI, which enforces the partial information discrimination and the cross-level interaction in a joint learning framework. In particular, we leverage a Transformer…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Hai-Xin Zhang , Dong Huang , Hua-Bao Ling , Guang-Yu Zhang , Wei-jun Sun , Zi-hao Wen

As a fundamental visual attribute, image complexity significantly influences both human perception and the performance of computer vision models. However, accurately assessing and quantifying image complexity remains a challenging task. (1)…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Shipeng Liu , Liang Zhao , Dengfeng Chen

Solving point-wise feature correspondence in visual data is a fundamental problem in computer vision. A powerful model that addresses this challenge is to formulate it as graph matching, which entails solving a Quadratic Assignment Problem…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Yongqing Liang , Huijun Han , Xin Li