测绘与空间地理信息
測繪與空間地理信息
측회여공간지리신식
GEOMATICS & SPATIAL INFORMATION TECHNOLOGY
2013年
10期
198-201,204
,共5页
3维激光扫描%点云数据%配准%数据过滤%地形图制作
3維激光掃描%點雲數據%配準%數據過濾%地形圖製作
3유격광소묘%점운수거%배준%수거과려%지형도제작
three-dimensional laser scan technology%point cloud%data registration%data filtration%topographic map creation
采用3维激光扫描技术快速采集滑坡体地形点云信息，并提取滑坡体微地貌信息，为滑坡监测提供基础技术支持。3维激光扫描技术的数据处理主要包括外业数据采集、点云数据配准、地貌数据获取与非地貌点云数据过滤、地形图生成等过程，并着重介绍其工作原理与处理方法。采用3维激光扫描技术能够高效准确实时的监测地质灾害，对预防灾害的发生提供了决策作用。
採用3維激光掃描技術快速採集滑坡體地形點雲信息，併提取滑坡體微地貌信息，為滑坡鑑測提供基礎技術支持。3維激光掃描技術的數據處理主要包括外業數據採集、點雲數據配準、地貌數據穫取與非地貌點雲數據過濾、地形圖生成等過程，併著重介紹其工作原理與處理方法。採用3維激光掃描技術能夠高效準確實時的鑑測地質災害，對預防災害的髮生提供瞭決策作用。
채용3유격광소묘기술쾌속채집활파체지형점운신식，병제취활파체미지모신식，위활파감측제공기출기술지지。3유격광소묘기술적수거처리주요포괄외업수거채집、점운수거배준、지모수거획취여비지모점운수거과려、지형도생성등과정，병착중개소기공작원리여처리방법。채용3유격광소묘기술능구고효준학실시적감측지질재해，대예방재해적발생제공료결책작용。
The point cloud information has been rapid collected by three -dimensional laser scan technology , and the landslide micro-photography information has been extracted from it .This informationprovides the infrastructure technology support for the landslide mo-nitoring.The data processing by three -dimensional laser scan technology mainly includes:field data collection , point cloud data reg-istration, geomorphology information acquisition ,non-geomorphology data filtration , topographic map creation .This paper emphati-cally introduces the working principle and processing method of three-dimensional laser scan technology .The monitoring of geological hazard is high efficient , accurate and real -time though three-dimensional laser scan technology .This method provides decision -making function for disaster prevention .
