学科分类
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1 个结果
  • 简介:ThispaperpresentsaframeworkforroadnetworkchangedetectioninordertoupdatetheCanadianNationalTopographicDataBase(NTDB).ThemethodologyhasbeendevelopedonthebasisofroadextractionfromIRS-panimages(witha5.8mspatialresolution)byusingawaveletapproach.Thefeaturematchingandconflationtechniquesareusedtoroadchangedetectionandupdating.Elementaryexperimentshaveshowedthattheproposedframeworkcouldbeusedfordevelopinganoperationalroaddatabaseupdatingsystem.

  • 标签: GIS 地理信息系统 测绘 遥感技术