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Semantic segmentation from very fine resolution (VFR) urban scene images plays a significant role in several application scenarios including autonomous driving, land cover classification, and urban planning, etc. However, the tremendous…

计算机视觉与模式识别 · 计算机科学 2022-06-06 Libo Wang , Rui Li , Dongzhi Wang , Chenxi Duan , Teng Wang , Xiaoliang Meng

In this paper we present approaches that address two issues that can occur when the level-set method is used to simulate two-fluid flows in engineering practice. The first issue concerns regularizing the Heaviside function on arbitrary…

数值分析 · 数学 2018-02-02 Ido Akkerman

This paper presents an iteration method for solving linear particle transport problems in binary stochastic mixtures. It is based on nonlinear projection approach. The method is defined by a hierarchy of equations consisting of the…

数值分析 · 数学 2026-03-18 Dmitriy Y. Anistratov

In this research, we propose a deep learning based approach for speeding up the topology optimization methods. The problem we seek to solve is the layout problem. The main novelty of this work is to state the problem as an image…

机器学习 · 计算机科学 2017-09-28 Ivan Sosnovik , Ivan Oseledets

Toll optimization in a large-scale dynamic traffic network is typically characterized by an expensive-to-evaluate objective function. In this paper, we propose two toll level problems (TLPs) integrated with a large-scale simulation-based…

最优化与控制 · 数学 2020-09-24 Ziyuan Gu , S. Travis Waller , Meead Saberi

In this work, we propose a numerical approach for simulations of large deformations of interfaces in a level set framework. To obtain a fast and viable numerical solution in both time and space, temporal discretization is based on the…

综合数学 · 数学 2023-05-30 Aymen Laadhari , Ahmad Deeb

The proposed RMS-FlowNet++ is a novel end-to-end learning-based architecture for accurate and efficient scene flow estimation that can operate on high-density point clouds. For hierarchical scene f low estimation, existing methods rely on…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Ramy Battrawy , René Schuster , Didier Stricker

Two-scale models pose a promising approach in simulating reactive flow and transport in evolving porous media. Classically, homogenized flow and transport equations are solved on the macroscopic scale, while effective parameters are…

偏微分方程分析 · 数学 2022-02-01 Stephan Gärttner , Peter Knabner , Nadja Ray

2. In Section 3, we used some vague statements to affirm the training process of the neural network, which cannot support others to reproduce the results of the paper. In addition, this section does not show the difference between this…

最优化与控制 · 数学 2020-07-01 Liang Xue , Jie Liu , Guilin Wen , Hongxin Wang

We propose a data-driven mean-curvature solver for the level-set method. This work is the natural extension to $\mathbb{R}^3$ of our two-dimensional strategy in [DOI: 10.1007/s10915-022-01952-2][1] and the hybrid inference system of [DOI:…

机器学习 · 计算机科学 2022-12-12 Luis Ángel Larios-Cárdenas , Frédéric Gibou

The great advances of learning-based approaches in image processing and computer vision are largely based on deeply nested networks that compose linear transfer functions with suitable non-linearities. Interestingly, the most frequently…

计算机视觉与模式识别 · 计算机科学 2018-03-26 Peter Ochs , Tim Meinhardt , Laura Leal-Taixe , Michael Moeller

We formulate an optimization problem for maximizing the data rate of a common message transmitted from nodes within an airborne network broadcast to a central station receiver while maintaining a set of intra-network rate demands. Assuming…

最优化与控制 · 数学 2017-06-08 Theodoros Tsiligkaridis

A methodology is proposed for freight traffic assignment in large-scale road-rail intermodal networks. To obtain the user-equilibrium freight flows, a path-based assignment algorithm (gradient projection) was proposed. The developed…

最优化与控制 · 数学 2024-02-05 Majbah Uddin , Nathan Huynh

We extend the volume of fluid method for the computation of two-phase flow to a higher order accurate method in two dimensions. The interface reconstruction by the PLIC method is thereby replaced by a periodic interface reconstruction. The…

流体动力学 · 物理学 2011-03-22 Joris Verschaeve

Existing lane-level simulation road network generation is labor-intensive, resource-demanding, and costly due to the need for large-scale data collection and manual post-editing. To overcome these limitations, we propose automatically…

多媒体 · 计算机科学 2025-09-04 Liang Xie , Wenke Huang

The dynamic formulation of optimal transport has attracted growing interests in scientific computing and machine learning, and its computation requires to solve a PDE-constrained optimization problem. The classical Eulerian discretization…

机器学习 · 计算机科学 2022-05-17 Wei Wan , Yuejin Zhang , Chenglong Bao , Bin Dong , Zuoqiang Shi

The High Level Trigger (HLT) of the future ALICE heavy-ion experiment has to reduce its input data rate of up to 25 GB/s to at most 1.25 GB/s for output before the data is written to permanent storage. To cope with these data rates a large…

分布式、并行与集群计算 · 计算机科学 2009-09-29 Timm M. Steinbeck

We are motivated by the fact that multiple representations of the environment are required to stand for the changes in appearance with time and for changes that appear in a cyclic manner. These changes are, for example, from day to night…

计算机视觉与模式识别 · 计算机科学 2018-08-02 A. H. Abdul Hafez , Nakul Agarwal , C. V. Jawahar

Traffic demand forecasting by deep neural networks has attracted widespread interest in both academia and industry society. Among them, the pairwise Origin-Destination (OD) demand prediction is a valuable but challenging problem due to…

机器学习 · 计算机科学 2022-07-01 Liangzhe Han , Xiaojian Ma , Leilei Sun , Bowen Du , Yanjie Fu , Weifeng Lv , Hui Xiong

As a core technology of intelligent transportation systems, vehicular ad-hoc networks support latency-sensitive services such as safety warning and cooperative perception via vehicle-to-everything communications. However, their highly…

系统与控制 · 电气工程与系统科学 2026-01-22 Ruixing Ren , Minqi Tao , Junhui Zhao , Xiaoke Sun , Qiuping Li
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