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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:Well-balanced positivity-preserving high-order discontinuous Galerkin methods for Euler equations with gravitation
引力 欧拉方程 高阶间断 Galerkin方法
2023/11/29
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:Calculation of high-order harmonic generation of atoms and molecules by combining time series prediction and neural networks
时间序列预测 神经网络计算 原子分子 高阶谐波生成
2023/5/9
IUTAM Symposium on Model order reduction of coupled systems (MORCOS 2018)
Engineering Mathematics Computer science Industry Coupling system
2017/12/13
The purpose of this Symposium is to bring renowned experts as well as young promising researchers from Engineering, Mathematics, and Computer Science from the academic and industrial field to identify...
Studies of ‘amorphous ice’ reveal hidden order in glass(图)
amorphous ice hidden order glass
2017/10/25
In the study, researchers at Princeton University and the City University of New York used computer simulations to show that the water molecules in amorphous ice are arranged in a previously undetecte...
Finding Order and Structure in the Atomic Chaos Where Materials Meet
Order Structure Atomic Chaos Materials Meet
2017/4/27
Materials science researchers have developed a model that can account for irregularities in how atoms arrange themselves at the so-called “grain boundaries” – the interface where two materials meet. B...
HIERARCHICAL HIGHER ORDER CRF FOR THE CLASSIFICATION OF AIRBORNE LIDAR POINT CLOUDS IN URBAN AREAS
Classification Point Cloud Higher Order Random Fields Contextual Lidar Urban
2016/7/28
We propose a novel hierarchical approach for the classification of airborne 3D lidar points. Spatial and semantic context is incorporated via a two-layer Conditional Random Field (CRF). The first laye...
PARALLEL PROCESSING OF BIG POINT CLOUDS USING Z-ORDER-BASED PARTITIONING
Z-order Spatial partitioning Big Data
2016/7/8
As laser scanning technology improves and costs are coming down, the amount of point cloud data being generated can be prohibitively difficult and expensive to process on a single machine. This data e...
Better Static Memory Management: Improvements to Region-Based Analysis of Higher-Order Languages.
Memory Management Region-Based Analysis Higher-Order Languages.
2016/5/24
Static memory management replaces runtime garbage collection with compile-time annotations that make all memory allocation and deallocation explicit in a program. We improve upon the Tofte/Talpin regi...
We investigate the first-order theory of subtyping constraints.We show that the first-order theory of nonstructural subtyping is undecidable, and we show that in the case where all constructors are ei...
Super-resolution solar model achieves order out of chaos(图)
Super-resolution solar model order out of chaos
2016/4/13
Over the past few decades, computer models of the Sun’s interior have matured, showing that turbulent flows of plasma create a chaotic magnetic tangle. And after observing the Sun's surface for hundre...
Local Response of Topological Order to an External Perturbation
Local Response Topological Order External Perturbation
2016/1/23
We study the behavior of the Re ′nyi entropies for the toric code subject to a variety of different perturbations, by means of 2D density matrix renormalization group and analytical methods. We find t...
K-ORDER-BASED TOPOLOGICAL RELATIONS OF GEO-ENTITIES IN 3D RASTER SPACE
GIS Model Spatial Raster Three-dimensional Algorithms
2015/12/23
The theoretical foundations and application availability of topological spatial relationship research for three dimensional Geo-entities in raster space are discussed. The digital topology theory is a...
ACCURACY OF CROWN SEGMENTATION AND ESTIMATION OF SELECTED TREES AND FOREST STAND PARAMETERS IN ORDER TO RESOLUTION OF USED DSM AND NDSM MODELS GENERATED FROM DENSE SMALL FOOTPRINT LIDAR DATA
Airborne Scanner System Segmentation Aerial photogrammetry Comparative analysis Forestry
2015/12/23
The purpose of this study is to categorize how different surface model resolutions impact the estimation of trees and forest stands parameters: number of recognized trees, crown area, treetop location...
PROPOSING A MULTI-CRITERIA PATH OPTIMIZATION METHOD IN ORDER TO PROVIDE A UBIQUITOUS PEDESTRIAN WAYFINDING SERVICE
Multi-Criteria Pedestrian Wayfinding Ubiquitous Service Context-Aware
2016/1/18
A myriad of novel applications have emerged nowadays for different types of navigation systems. One of their most frequent applications is Wayfinding. Since there are significant differences between t...
Approximating LIDAR Ground Elevation Data by Higher-Order Tensor-Product B-Splines
DEM/DTM LIDAR Surface Modelling Reconstruction GIS
2015/12/8
We consider, in this paper, the problem of reconstructing the surface from LIDAR ground elevations. We reconstruct the surface by first rotating the LIDAR scan-lines so that they are parallel to the Y...