第45卷第3期测绘学报Vol.45,No.32016年3月ActaGeodaeticaetCartographicaSinicaMarch,2016引文格式:闫利,费亮,叶志云,等.大范围倾斜多视影像连接点自动提取的区域网平差法[J].测绘学报,2016,45(3):310-317.DOI:10.11947/j.AGCS.2016.20140673.YANLi,FEILiang,YEZhiyun,etal.AutomaticTie-pointsExtractionforTriangulationofLarge-scaleObliqueMulti-viewImages[J].ActaGeodaeticaetCartographicaSinica,2016,45(3):310-317.DOI:10.11947/j.AGCS.2016.20140673.大范围倾斜多视影像连接点自动提取的区域网平差法闫利,费亮,叶志云,夏旺武汉大学测绘学院,湖北武汉430079AutomaticTie-pointsExtractionforTriangulationofLarge-scaleObliqueMulti-viewImagesYANLi,FEILiang,YEZhiyun,XIAWangSchoolofGeodesyandGeomatics,WuhanUniversity,Wuhan430079,ChinaAbstract:Anewtie-pointsextractionandbundleblockadjustmentmethodforlarge-scalemulti-viewobliqueimagesispresented.Firstly,exteriororientationdatagainedbyPOSareusedtorectifyobliqueimagesandpredictimagecorrespondences,whichcanbematchedusingSIFTalgorithm.Secondly,anunorderedfeaturetrackingmethodreliesonunion-findalgorithmareadaptedtodetectthemulti-viewcorrespondences.Aftertie-pointsextracted,bundleadjustmentaredonewithPOSandcontrolpointsdatatreatedasweightedmeasurement.Intheexperimentpart,threekindsofobliqueimages,takenbyassembledlightweightobliquesystem,UltraCamandSWDC-5,areusedtotestthealgorithmabove.Theresultsshowthatourmethodcanadaptthepopularobliquesystemsathomeandabroad,whichcanprocessover2000imagesatatime.Andtheprecisionofobliquetriangulationisbetterthanthetraditionalverticaltriangulation,withanaccuracyof0.75GSDinhorizontaldirection,2.0GSDinelevationdirection.Keywords:obliqueimages;automatictriangulation;bundleblockadjustment;tie-pointsextractionFoundationsupport:TheNationalKeyTechnologyResearchandDevelopmentProgramoftheMinistryofScienceandT...