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利用近景攝影測量技術的滑坡監(jiān)測新方法.pdf

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  本文關鍵詞:利用近景攝影測量技術的滑坡監(jiān)測新方法,由筆耕文化傳播整理發(fā)布。


6 2011 ,47 (3) Computer Engineering and Applications 計算機工程與應用 利用近景攝影測量技術的滑坡監(jiān)測新方法 李彩林,張劍清,郭寶云 LI Cailin ,ZHANG Jianqing ,GUO Baoyun 武漢大學 遙感信息工程學院,武漢 430079 School of Romote Sensing and Information Engineering ,,Wuhan University ,Wuhan 430079 ,China E-mail :[email protected] LI Cailin ,ZHANG Jianqing ,GUO Baoyun.New method of landslide monitoring based on close-range photogrammetry. Computer Engineering and Applications ,2011 ,47 (3 ):6-8. Abstract :A new method of landslide monitoring is presented by applying the close-range photogrammetry technology into landslide monitoring without surveying control points again ,which is convenient ,fast and non-contact.This method uses the ro- tated photogrammetry or parallel photography way to take a group of photographs for monitoring area.Then the DEM model of target monitoring area is obtained based on photography measurement principle.The absolute displacement and the local variation of landslide during the monitoring period can be calculated by automatic matching of control points and overlaying analysis of two stage DEM models.Experimental results using synthetic data indicate that the presented method can be effec- tive for a rapid and exact monitoring. Key words :close-range photogrammetry ;landslide monitoring ;automatic matching of control points ;overlaying analysis of DEM models 摘 要:將近景攝影測量技術應用于山體滑坡監(jiān)測中,提出一種無需二次控制的、非接觸的、快速的滑坡監(jiān)測方法。方法采用旋 轉攝影或正射平行攝影的方式,對監(jiān)測區(qū)域進行攝影,根據(jù)攝影測量原理獲取目標監(jiān)測區(qū)域的DEM 模型。通過自動匹配控制點 以及對兩期DEM 模型進行疊加分析,計算出山體在該時間段內(nèi)


  本文關鍵詞:利用近景攝影測量技術的滑坡監(jiān)測新方法,由筆耕文化傳播整理發(fā)布。



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