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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

We learn to compute optical flow by combining a classical spatial-pyramid formulation with deep learning. This estimates large motions in a coarse-to-fine approach by warping one image of a pair at each pyramid level by the current flow…

计算机视觉与模式识别 · 计算机科学 2016-11-22 Anurag Ranjan , Michael J. Black

Automatic vessel segmentation is paramount for developing next-generation interventional navigation systems. However, current approaches suffer from suboptimal segmentation performances due to significant challenges in intraoperative images…

图像与视频处理 · 电气工程与系统科学 2024-07-01 De-Xing Huang , Xiao-Hu Zhou , Xiao-Liang Xie , Shi-Qi Liu , Shuang-Yi Wang , Zhen-Qiu Feng , Mei-Jiang Gui , Hao Li , Tian-Yu Xiang , Bo-Xian Yao , Zeng-Guang Hou

Recent advances in AI and robotics have claimed many incredible results with deep learning, yet no work to date has applied deep learning to the problem of liquid perception and reasoning. In this paper, we apply fully-convolutional deep…

计算机视觉与模式识别 · 计算机科学 2016-06-21 Connor Schenck , Dieter Fox

Fluid dynamics spans phenomena from the Cheerios effect to cosmic evolution and has been called the 'queen mother' of science. Traditional modelling relies on numerical methods, including finite differences, volumes, and elements, that…

流体动力学 · 物理学 2026-04-09 Kwame Agyei-Baah , Muhammad Rizwanur Rahman , E. R. Smith

In this paper, we present a detailed design of dynamic video segmentation network (DVSNet) for fast and efficient semantic video segmentation. DVSNet consists of two convolutional neural networks: a segmentation network and a flow network.…

计算机视觉与模式识别 · 计算机科学 2018-06-15 Yu-Syuan Xu , Tsu-Jui Fu , Hsuan-Kung Yang , Chun-Yi Lee

High-accuracy, high-efficiency physics-based fluid-solid interaction is essential for reality modeling and computer animation in online games or real-time Virtual Reality (VR) systems. However, the large-scale simulation of incompressible…

图形学 · 计算机科学 2023-05-08 Jin Li , Yang Gao , Ju Dai , Shuai Li , Aimin Hao , Hong Qin

We introduce Neural Flow Maps, a novel simulation method bridging the emerging paradigm of implicit neural representations with fluid simulation based on the theory of flow maps, to achieve state-of-the-art simulation of inviscid fluid…

图形学 · 计算机科学 2023-12-25 Yitong Deng , Hong-Xing Yu , Diyang Zhang , Jiajun Wu , Bo Zhu

We employ physics-informed neural networks (PINNs) to simulate the incompressible flows ranging from laminar to turbulent flows. We perform PINN simulations by considering two different formulations of the Navier-Stokes equations: the…

计算物理 · 物理学 2021-02-03 Xiaowei Jin , Shengze Cai , Hui Li , George Em Karniadakis

Slimmable Neural Networks (S-Net) is a novel network which enabled to select one of the predefined proportions of channels (sub-network) dynamically depending on the current computational resource availability. The accuracy of each…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Hideaki Kuratsu , Atsuyoshi Nakamura

Deep learning has the potential to revolutionize quantum chemistry as it is ideally suited to learn representations for structured data and speed up the exploration of chemical space. While convolutional neural networks have proven to be…

We present a partitioned neural network-based framework for learning of fluid-structure interaction (FSI) problems. We decompose the simulation domain into two smaller sub-domains, i.e., fluid and solid domains, and incorporate an…

计算工程、金融与科学 · 计算机科学 2021-05-17 Amin Totounferoush , Axel Schumacher , Miriam Schulte

The network of interactions among fluid elements and coherent structures gives rise to the incredibly rich dynamics of vortical flows. These interactions can be described with the use of mathematical tools from the emerging field of network…

流体动力学 · 物理学 2021-11-16 Kunihiko Taira , Aditya G. Nair

Most existing methods of semantic segmentation still suffer from two aspects of challenges: intra-class inconsistency and inter-class indistinction. To tackle these two problems, we propose a Discriminative Feature Network (DFN), which…

计算机视觉与模式识别 · 计算机科学 2018-04-26 Changqian Yu , Jingbo Wang , Chao Peng , Changxin Gao , Gang Yu , Nong Sang

We demonstrate how deep convolutional neural networks can be trained to predict 2+1 D hydrodynamic simulation results for flow coefficients, mean-transverse-momentum and charged particle multiplicity from the initial energy density profile.…

高能物理 - 唯象学 · 物理学 2024-04-04 H. Hirvonen , K. J. Eskola , H. Niemi

We study the applicability of a Deep Neural Network (DNN) approach to simulate one-dimensional non-relativistic fluid dynamics. Numerical fluid dynamical calculations are used to generate training data-sets corresponding to a broad range of…

Modeling the mechanics of fluid in complex scenes is vital to applications in design, graphics, and robotics. Learning-based methods provide fast and differentiable fluid simulators, however most prior work is unable to accurately model how…

机器学习 · 计算机科学 2023-09-12 Arjun Mani , Ishaan Preetam Chandratreya , Elliot Creager , Carl Vondrick , Richard Zemel

Video analysis is a computer vision task that is useful for many applications like surveillance, human-machine interaction, and autonomous vehicles. Deep Convolutional Neural Networks (CNNs) are currently the state-of-the-art methods for…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Mireille El-Assal , Pierre Tirilly , Ioan Marius Bilasco

Computational fluid dynamics is a crucial tool to theoretically explore the cosmos. In the last decade, we have seen a substantial methodological diversification with a number of cross-fertilizations between originally different methods.…

天体物理仪器与方法 · 物理学 2023-01-25 Stephan Rosswog

Micro-bubbles and bubbly flows are widely observed and applied in chemical engineering, medicine, involves deformation, rupture, and collision of bubbles, phase mixture, etc. We study bubble dynamics by setting up two numerical simulation…

流体动力学 · 物理学 2022-03-28 Hanfeng Zhai , Quan Zhou , Guohui Hu