Change Detection Based on DSM and Image Features in Urban Areas

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摘要 Onthebasisofstereoimageanalysis,thechangedetectionofman-madeobjectsinurbanareasisintroduced.Informationoftheheightofman-madeobjectscanbeappliedtoreinforcetheirchangedetection.BycomparisonbetweenthenewandoldDSMs,thechangedregionsareextracted.However,ouraimistodetectchangesofman-madeobjectsinurbanareaandfurtherinthepotentialareasbythemeansofline-featurematchingandgradientdirectionhistogram.TheexperimentsbasedontheaerialimagesfromJapanhaveproventhatthealgorithmiscorrectandefficient.
机构地区 不详
出版日期 2003年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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