中文
相关论文

相关论文: AdvectiveNet: An Eulerian-Lagrangian Fluidic reser…

200 篇论文

We present a new Eulerian framework for the computation of turbulent compressible multiphase channel flows, specifically to assess turbulence modulation by dispersed particulate matter in dilute concentrations but with significant mass…

流体动力学 · 物理学 2025-08-12 Ajay Dhankarghare , Yuval Dagan

Point cloud is point sets defined in 3D metric space. Point cloud has become one of the most significant data format for 3D representation. Its gaining increased popularity as a result of increased availability of acquisition devices, such…

计算机视觉与模式识别 · 计算机科学 2020-01-20 Saifullahi Aminu Bello , Shangshu Yu , Cheng Wang

Point clouds are characterized by irregularity and unstructuredness, which pose challenges in efficient data exploitation and discriminative feature extraction. In this paper, we present an unsupervised deep neural architecture called…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Qijian Zhang , Junhui Hou , Yue Qian , Yiming Zeng , Juyong Zhang , Ying He

A computational approach is introduced for the study of the rheological properties of complex fluids and soft materials. The approach allows for a consistent treatment of microstructure elastic mechanics, hydrodynamic coupling, thermal…

软凝聚态物质 · 物理学 2023-02-28 P. J. Atzberger

Data generation based on Machine Learning has become a major research topic in particle physics. This is due to the current Monte Carlo simulation approach being computationally challenging for future colliders, which will have a…

高能物理 - 实验 · 物理学 2022-11-28 Benno Käch , Dirk Krücker , Isabell Melzer-Pellmann

Environmental perception systems are crucial for high-precision mapping and autonomous navigation, with LiDAR serving as a core sensor providing accurate 3D point cloud data. Efficiently processing unstructured point clouds while extracting…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Chuang Chen , Yi Lin , Bo Wang , Jing Hu , Xi Wu , Wenyi Ge

The application of deep learning to 3D point clouds is challenging due to its lack of order. Inspired by the point embeddings of PointNet and the edge embeddings of DGCNNs, we propose three improvements to the task of point cloud analysis.…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Chaitanya Kaul , Nick Pears , Suresh Manandhar

This text describes a method to simultaneously reconstruct flow states and determine particle properties from Lagrangian particle tracking (LPT) data. LPT is a popular measurement strategy for fluids in which particles in a flow are…

流体动力学 · 物理学 2023-11-16 Ke Zhou , Samuel J. Grauer

We propose a level-set-based semi-Lagrangian method on graded adaptive Cartesian grids to address the problem of surface reconstruction from point clouds. The goal is to obtain an implicit, high-quality representation of real shapes that…

数值分析 · 数学 2026-03-26 Silvia Preda , Matteo Semplice

Before the deep learning revolution, many perception algorithms were based on runtime optimization in conjunction with a strong prior/regularization penalty. A prime example of this in computer vision is optical and scene flow. Supervised…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Xueqian Li , Jhony Kaesemodel Pontes , Simon Lucey

Fluid simulation is an important research topic in computer graphics (CG) and animation in video games. Traditional methods based on Navier-Stokes equations are computationally expensive. In this paper, we treat fluid motion as point cloud…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Yu Chen , Shuai Zheng , Nianyi Wang , Menglong Jin , Yan Chang

Atmospheric aerosols can consist of inorganic and organic substances, including surfactants at a significant concentration. Importantly, the latter can reduce the surface tension at the liquid-vapor surfaces, where they preferentially…

流体动力学 · 物理学 2022-10-21 Mateusz Denys , Piotr Deuar , Zhizhao Che , Panagiotis E. Theodorakis

Recently MLP-based methods have shown strong performance in point cloud analysis. Simple MLP architectures are able to learn geometric features in local point groups yet fail to model long-range dependencies directly. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Xingyilang Yin , Xi Yang , Liangchen Liu , Nannan Wang , Xinbo Gao

A novel methodology is presented for reconstructing the Eulerian number density field of dispersed gas-droplet flows modelled using the Fully Lagrangian Approach (FLA). In this work, the nonparametric framework of kernel regression is used…

流体动力学 · 物理学 2023-09-19 C. P. Stafford , O. Rybdylova

The universality of the point cloud format enables many 3D applications, making the compression of point clouds a critical phase in practice. Sampled as discrete 3D points, a point cloud approximates 2D surface(s) embedded in 3D with a…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Jiahao Pang , Kevin Bui , Dong Tian

Deep learning algorithms will play a key role in the upcoming runs of the Large Hadron Collider (LHC), helping bolster various fronts ranging from fast and accurate detector simulations to physics analysis probing possible deviations from…

高能物理 - 唯象学 · 物理学 2024-09-13 Akanksha Bhardwaj , Partha Konar , Vishal S. Ngairangbam

In this paper, we propose a point cloud classification method based on graph neural network and manifold learning. Different from the conventional point cloud analysis methods, this paper uses manifold learning algorithms to embed point…

计算机视觉与模式识别 · 计算机科学 2020-10-19 Dinghao Yang , Wei Gao

Machine learning for point clouds has been attracting much attention, with many applications in various fields, such as shape recognition and material science. For enhancing the accuracy of such machine learning methods, it is often…

机器学习 · 计算机科学 2023-12-29 Naoki Nishikawa , Yuichi Ike , Kenji Yamanishi

Estimation of differential geometric quantities in discrete 3D data representations is one of the crucial steps in the geometry processing pipeline. Specifically, estimating normals and sharp feature lines from raw point cloud helps improve…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Albert Matveev , Alexey Artemov , Denis Zorin , Evgeny Burnaev

Artistically controlling the shape, motion and appearance of fluid simulations pose major challenges in visual effects production. In this paper, we present a neural style transfer approach from images to 3D fluids formulated in a…

图形学 · 计算机科学 2020-05-05 Byungsoo Kim , Vinicius C. Azevedo , Markus Gross , Barbara Solenthaler