Density-controlled Delaunay triangulation for 2D sea area

在线阅读 下载PDF 导出详情
摘要 Triangulationiswidelyusedinscientificresearch,suchasfiniteelementmeshgeneration,surfacereconstructionandthereconstructionofthedensityfielddata.Thispaperproposesanewmethodcombiningimageprocessinganddensity-controlledCentroidalVoronoitessellationstoquicklygenerateadensity-controlledconstrainedDelaunaytriangulationfor2Dseaarea.Firstly,preprocessdigitalimagesoftheseaareaandextracttheboundaryofseawaterregionbyeight-neighborsearchingalgorithm.Then,Iuse"Odd-EvenTesting"methodtocheckifonerandomvertexisinsidetheboundaryandinsertrandomverticesintotheboundary.Finally,wegettheCDTofrandomverticesbydensity-controlledCVT-Lloydmethod.Wealsogivesomecomparisonswithexistingmethods,andourmethodperformsbetterinfinalresultoftriangulation.
机构地区 不详
关键词
出版日期 2016年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
  • 相关文献