Výsledky vyhledávání - "SPATIAL data structures"

R3MG: R-tree based agglomeration of polytopal grids with applications to multilevel methods Autor Feder, Marco, Cangiani, Andrea, Heltai, Luca

“…We present a novel approach to perform agglomeration of polygonal and polyhedral grids based on spatial indices. Agglomeration strategies are a key ingredient…”
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KDT-MOEA: A multiobjective optimization framework based on K-D trees Autor Lacerda, Allysson S.M., Batista, Lucas S.

“…This paper presents KDT-MOEA, a framework that takes advantage of a special kind of binary search tree, named K-D tree, to solve multiobjective optimization…”
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Executing convex polytope queries on nD point clouds Autor Liu, Haicheng, Thompson, Rodney, van Oosterom, Peter, Meijers, Martijn

“…•Efficient intersection algorithms for polytope querying on nD point clouds.•Easy-to-use polytope formulation for querying.•Illustrated by nD-simplex and…”
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VERNE: A Spatial Data Structure Representing Railway Networks for Autonomous Robot Navigation Autor Joly, Louis-Romain, Lacorre, Vivien, Wolff, Krister

“…Efficient representation and querying of railway networks are crucial for autonomous railway systems and digital infrastructure management. This paper…”
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3D Geoinformation – Then and Now Autor Abdul Rahman, Alias, Zamzuri, Ainn, Rashidan, Hanis

“…This paper discusses the trends of 3D geoinformation from past (1990s) to present. It highlights the initial 3D GIS research frameworks in the aspect of 3D…”
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On scalable DCEL overlay operations Autor Calderon-Romero, Andres, Abdelhafeez, Laila, Trajcevski, Goce, Magdy, Amr, Tsotras, Vassilis J.

“…The Doubly Connected Edge List (DCEL) is an edge-list structure widely used in spatial applications, primarily for planar topological and geometric…”
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On the Monotonic Lagrangian Grid as Antecedent to the Neighborhood Grid Autor Uhlmann, Jeffrey

“…We note that a recently described data structure, the Neighborhood Grid, is equivalent to a data structure developed in the mid-1980s called the Monotonic…”
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Geodesic Discrete Global Grid Systems Autor Sahr, Kevin, White, Denis, Kimerling, A. Jon

“…In recent years, a number of data structures for global geo-referenced data sets have been proposed based on regular, multi-resolution partitions of polyhedra…”
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Optimizing Euclidean Distance Computation Autor Mussabayev, Rustam

“…This paper presents a comparative analysis of seventeen different approaches to optimizing Euclidean distance computations, which is a core mathematical…”
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Georeferenced Point Clouds: A Survey of Features and Point Cloud Management Autor Otepka, Johannes, Ghuffar, Sajid, Waldhauser, Christoph, Hochreiter, Ronald, Pfeifer, Norbert

“…This paper presents a survey of georeferenced point clouds. Concentration is, on the one hand, put on features, which originate in the measurement process…”
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Efficient user-oriented Pareto fronts and Pareto archives based on spatial data structures Autor Freitas, Alan

“…Efficient manipulation of Pareto fronts and Pareto archives involves non-trivial data structures and algorithms. Because of this complexity, researchers and…”
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In-Path Oracles for Road Networks Autor Ghosh, Debajyoti, Sankaranarayanan, Jagan, Khatter, Kiran, Samet, Hanan

“…Many spatial applications benefit from the fast answering to a seemingly simple spatial query: “Is a point of interest (POI) ‘in-path’ to the shortest path…”
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Locality and bounding-box quality of two-dimensional space-filling curves Autor Haverkort, Herman, van Walderveen, Freek

“…Space-filling curves can be used to organise points in the plane into bounding-box hierarchies (such as R-trees). We develop measures of the bounding-box…”
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Errors in Time-Series Remote Sensing and an Open Access Application for Detecting and Visualizing Spatial Data Outliers Using Google Earth Engine Autor Peter, Brad G., Messina, Joseph P.

“…Remotely sensed measures of productivity are frequently used to characterize global agriculture and vegetated ecosystems, and are often downscaled to describe…”
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A Data Structure for Real-Time Aggregation Queries of Big Brain Networks Autor Ganglberger, Florian Johann, Kaczanowska, Joanna, Haubensak, Wulf, Bühler, Katja

“…Recent advances in neuro-imaging allowed big brain-initiatives and consortia to create vast resources of brain data that can be mined by researchers for their…”
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Scalable Parallel Distance Field Construction for Large-Scale Applications Autor Hongfeng Yu, Jinrong Xie, Kwan-Liu Ma, Kolla, Hemanth, Chen, Jacqueline H.

“…Computing distance fields is fundamental to many scientific and engineering applications. Distance fields can be used to direct analysis and reduce data. In…”
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Using a distributed quadtree index in peer-to-peer networks Autor Tanin, Egemen, Harwood, Aaron, Samet, Hanan

“…Peer-to-peer (P2P) networks have become a powerful means for online data exchange. Currently, users are primarily utilizing these networks to perform…”
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Algorithm for the Removal of Rectangle Containment for Rectangle Spline Generation Autor Piegl, Les A., Kulkarni, Parikshit, Rajab, Khairan

“…Given a set of axis-aligned rectangles in the plane, this paper presents an algorithm for the removal of rectangle containment as well as rectangle enclosures…”
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FGNG: A fast multi-dimensional growing neural gas implementation Autor Mendes, Carlos Augusto Teixeira, Gattass, Marcelo, Lopes, Hélio

“…The Growing Neural Gas algorithm (GNG) is a well-known classification algorithm that is capable of capturing topological relationships that exist in the input…”
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Privacy-Aware Traffic Monitoring Autor Hairuo Xie, Kulik, L., Tanin, E.

“…Traffic-monitoring systems (TMSs) are vital for safety and traffic optimization. However, these systems may compromise the privacy of drivers once they track…”
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