Showing 221 - 240 results of 383 for search '"Voronoi diagram"', query time: 0.15s Refine Results
  1. 221

    Proposed Approach for Improving RNA Crypto-Key Based on Polynomial Convolution by Sayed Amin Hosseini, Doaa Mohsin Abd Ali, Mohammed Q. Mohammed

    Published 2018-06-01
    “…In addition, this article uses a Voronoi diagram, which decomposes the nodes into regions around each node. …”
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    Article
  2. 222

    An efficient 3-approximation algorithm for the Steiner tree problem with the minimum number of Steiner points and bounded edge length. by Donghoon Shin, Sunghee Choi

    Published 2023-01-01
    “…This paper proposes an efficient approximation algorithm using the Voronoi diagram that guarantees an approximation ratio of 3 in O(n log n) time. …”
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    Article
  3. 223

    Application of Natural Element Method in Numerical Simulation of Crack Propagation by Wang Weidong, Gang Cheng, Dunfu Zhang, Shanshan Gai

    Published 2013-01-01
    “…Accurate imposition of essential boundary conditions is accomplished directly by constructing vector of the displacement field by using non-Sibsonian interpolation method, which is based on the Voronoi diagram and its dual Delaunay tessellation. The discrete control equations of natural element method are developed by utilizing the variational principle of elastic theory and combining the natural element method with the theory of the linear elastic fracture mechanics. …”
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    Article
  4. 224

    Modeling of Polycrystalline Material Microstructure with 3D Grain Boundary Based on Laguerre–Voronoi Tessellation by Xingshuai Zheng, Tengfei Sun, Jixing Zhou, Rupeng Zhang, Pingmei Ming

    Published 2022-03-01
    “…In this paper, a new implementation of the Voronoi diagram in Laguerre geometry is presented for the generation of numerical models of polycrystalline microstructures, where the size and shape of the grains can be controlled, and the 3D grain boundaries can be modeled with a specified thickness. …”
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    Article
  5. 225

    A Multiplicatively Weighted Voronoi-Based Workspace Partition for Heterogeneous Seeding Robots by Jeongeun Kim, Chanyoung Ju, Hyoung Il Son

    Published 2020-11-01
    “…The seed points for area partitioning using a Voronoi diagram are obtained by performing node clustering using a <i>k</i>-means clustering algorithm. …”
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    Article
  6. 226

    Cooperative Path Planning of Multiple Unmanned Surface Vehicles for Search and Coverage Task by Zhiyao Zhao, Bin Zhu, Yan Zhou, Peng Yao, Jiabin Yu

    Published 2022-12-01
    “…Secondly, we propose a region division method based on a Voronoi diagram, which divides the region and assigns it to each unmanned surface vehicle (USV). …”
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    Article
  7. 227

    Improved Normalized Collinearity DV-Hop Algorithm for Node Localization in Wireless Sensor Network by Yunzhou Zhang, Shu Xiang, Wenyan Fu, Dongfei Wei

    Published 2014-07-01
    “…Since there is uncertain situation that the anchor node's region is hard to be decided for the sensor nodes in one hop area, Voronoi diagram is adopted to divide the sensor network into several regions. …”
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    Article
  8. 228

    Distributed Continuous Nearest Neighbors Search over Moving Objects on Wireless Sensor Networks by Chuan-Ming Liu, Chuan-Chi Lai

    Published 2013-12-01
    “…In this thesis, we propose a distributed C k NN search algorithm (DC k NN) on wireless sensor networks (WSNs) based on the Voronoi diagram. There are four features about DC k NN: (1) each moving object constructs a local Voronoi cell and keeps the local information; (2) in order to keep the reliability of system, the query message will be propagated to related objects; (3) using the idea of safe time, the number of updates is reduced; (4) an equation to estimate a more accurate safe time is provided. …”
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    Article
  9. 229

    Myocardial territory segmentation on coronary computed tomography angiography images: Comparison between projection and non-projection methods in a pig model by Sungwon Ham, Joonho Jung, Joonmyeong Choi, Young-Hak Kim, Myungsoo Bae, Namkug Kim, Dong Hyun Yang

    Published 2020-01-01
    “…In the previous study, CAs have been projected on the myocardial surface, and their supplying territories were segmented by the Voronoi diagram, which is still considered controversial due to lack of validation. …”
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    Article
  10. 230

    A Continuous Object Boundary Detection and Tracking Scheme for Failure-Prone Sensor Networks by Sajida Imran, Young-Bae Ko

    Published 2017-02-01
    “…The proposed approach utilizes the spatial and temporal features of sensor nodes to detect object BNs. A Voronoi diagram-based network clustering, and failure detection and recovery scheme is used to increase boundary estimation accuracy. …”
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    Article
  11. 231

    Symbol detection based on Voronoi surfaces with emphasis on superposition modulation by Martin Damrath, Peter Adam Hoeher, Gilbert J.M. Forkel

    Published 2017-08-01
    “…This algorithm exploits the relationship between Max-Log-APP detection and a Voronoi diagram to determine planar surfaces of the soft outputs over the entire range of detector input values. …”
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  12. 232

    Secure Nearest Neighbor Query on Crowd-Sensing Data by Ke Cheng, Liangmin Wang, Hong Zhong

    Published 2016-09-01
    “…In light of they Multi Owners and Multi Users (MOMU) situation in the crowd-sensing data cloud environment, this paper presents a secure nearest neighbor query scheme based on the proxy server architecture, which is constructed by protocols of secure two-party computation and secure Voronoi diagram algorithm. It not only preserves the data confidentiality and query privacy but also effectively resists the collusion between the cloud server and the data owners or users. …”
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    Article
  13. 233

    Dynamics of Population Patch Distribution by Alexander N. Kirillov, Inna V. Danilova

    Published 2018-06-01
    “…Such a partition is a generalization of the Voronoi diagram.…”
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    Article
  14. 234

    Distributed area coverage control with imprecise robot localization by Sotiris Papatheodorou, Anthony Tzes, Konstantinos Giannousakis, Yiannis Stergiopoulos

    Published 2018-09-01
    “…To partition the region of interest, a novel partitioning scheme, the Additively Weighted Guaranteed Voronoi diagram is introduced which takes into account both the agents’ positioning uncertainty and their heterogeneous sensing performance. …”
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    Article
  15. 235

    The Voronoi theory of the normal liver lobular architecture and its applicability in hepatic zonation by C. Lau, B. Kalantari, K. P. Batts, L. D. Ferrell, S. L. Nyberg, R. P. Graham, Roger K. Moreira

    Published 2021-04-01
    “…Our aim was to evaluate whether Voronoi diagrams can be used to describe the classic liver lobular architecture. …”
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  16. 236

    Numerical investigation of the mechanical properties of lattice structures inspired from polycrystalline materials by Yabo Liu, Guangwei Bai, Zhipeng Qu, Xiaochang Xu

    Published 2024-03-01
    “…They are generated by filling periodic lattice structures into a Voronoi diagram. Then, finite element analyses of two periodic and eight polycrystalline-like lattice structures are performed to compare their mechanical properties. …”
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    Article
  17. 237

    Locating and sizing method of electric vehicle charging station based on Improved Whale Optimization Algorithm by Junchao Cheng, Jindi Xu, Wentao Chen, Beibei Song

    Published 2022-11-01
    “…Twelve classical test functions show that IWOA significantly improves the algorithm accuracy and convergence speed compared to WOA. Finally. The Voronoi diagram based on Floyd’s shortest path is adopted to decide the service area of charging stations. …”
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    Article
  18. 238

    A VOMR-TREE BASED PARALLEL RANGE QUERY METHOD ON DISTRIBUTED SPATIAL DATABASE by Z. Fu, Z. Fu, S. Liu

    Published 2012-07-01
    “…In this paper, we introduce a parallel spatial range query algorithm, based on VoMR-tree index, which incorporates Voronoi diagrams into MR-tree, benefiting from the nearest neighbors. …”
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  19. 239

    Multicriterial analysis of the accessibility of public transport stops in Cracow by Bárta, Martin, Masopust, Tomas

    Published 2020-01-01
    “…To connect the individual layers of indicators into a multicriteria analysis, the Voronoi diagram function has been applied. The results of the method are presented in the form of synthetic maps of transport accessibility for each bus and tram stop in Cracow. …”
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  20. 240

    Maintenance process control: cellular automata approach by Mustapha Ouardouz, Abdes Samed Bernoussi, Hamidou Kassogué, Mina Amharref

    Published 2017-03-01
    “…The approach by cellular automata is based on: an operating statistics for determining the attributes of equipments and agents as the cells states factors; an optimal displacement of agents; an assignment of agents to equipments by Voronoi diagram as a control performing in a closed loop. …”
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