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首页> 外文会议>2007 IEEE International Conference on Computer-Aided Degign and Computer Graphics >A Computational Topology Approach to Automatic Partition and Visualization of Oceanic Water Masses
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A Computational Topology Approach to Automatic Partition and Visualization of Oceanic Water Masses

机译：海洋水团自动分区和可视化的计算拓扑方法

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摘要

This paper addresses the issue of precisely locating boundaries of water masses in the oceanic water mass analysis. A novel computational topology-based solution is presented. First, employing the concept of multidimensional transfer functions,the sampled data of temperature and salinity in investigated area are transformed into a feature function of water masses that represents the variation ratio distribution of temperature and salinity on the domain. Then, a 2-manifold Morse-Smale decomposition over this domain is made to produce boundaries among the different water masses automatically. The results of some comparative experiments verified effectiveness and objectivity of the presented method,and its much better accuracy and efficiency.
机译：本文讨论了在海洋水质分析中精确定位水质边界的问题。提出了一种新颖的基于计算拓扑的解决方案。首先，利用多维传递函数的概念，将调查区域内温度和盐度的采样数据转换成水团的特征函数，该特征函数代表了区域内温度和盐分的变化率分布。然后，对该区域进行2流形莫尔斯-马累分解，自动在不同水团之间产生边界。一些比较实验的结果验证了所提方法的有效性和客观性，以及更好的准确性和效率。

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  • 来源
  • 会议地点 Beijing(CN)
  • 作者

    WANG Fei; rnLIANG Jinsheng; rnTANG Qingguo; rnDING Yan; rnWang Na;

  • 作者单位

    Guan-Jie YANG@School of Management,Beijing Normal University at Zhuhai,Zhuhai 519085,China;

    Department of Computer Science,Ocean University of China,Qingdao 266071,China--Ke-Qin WU@Department of Computer Science,Ocean University of China,Qingdao 266071,China--Qian-Qian GUAN@Department of Computer Science,Ocean University of China,Qingdao 266071,China--Lin HONG@School of Management,Beijing Normal University at Zhuhai,Zhuhai 519085,China--;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 TP391.42;
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