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时间:2019-05-26
《球形全景影像位姿估计的改进EPnP算法邓非》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第45卷第6期测绘学报Vol.45,No.62016年6月ActaGeodaeticaetCartographicaSinicaJune,2016引文格式:邓非,吴幼丝,胡玉雷,等.球形全景影像位姿估计的改进EPnP算法[J].测绘学报,2016,45(6):677-684.DOI:10.11947/j.AGCS.2016.20150411.DENGFei,WUYousi,HUYulei,etal.PositionandPoseEstimationofSphericalPanoramicImagewithImprove
2、dEPnPAlgorithm[J].ActaGeodaeticaetCartographicaSinica,2016,45(6):677-684.DOI:10.11947/j.AGCS.2016.20150411.球形全景影像位姿估计的改进EPnP算法邓非1,2,吴幼丝1,胡玉雷3,崔红霞41.武汉大学测绘学院,湖北武汉430079;2.武汉大学国家领土主权与海洋权益协同创新中心,湖北武汉430079;3.中铁第四勘察设计院集团有限公司,湖北武汉430063;4.渤海大学信息科学与技术学院,辽宁锦州121013Posi
3、tionandPoseEstimationofSphericalPanoramicImagewithImprovedEPnPAlgorithm1,2,WUYousi1,HUYulei3,CUIHongxia4DENGFei1.SchoolofGeodesyandGeomatics,WuhanUniversity,Wuhan430079,China;2.CollaborativeInnovationCenterforTerritorialSovereigntyandMaritimeRights,WuhanUniversi
4、ty,Wuhan430079,China;3.ChinaRailwaySiyuanSurveyandDesignGroupCO.,LTD.,Wuhan430063,China;4.SchoolofInformationScienceandTechnology,BohaiUniversity,Jinzhou121013,ChinaAbstract:Sphericalpanoramicimagingcanovercomethelimitationsofperspectiveimaging’srangeofviewandac
5、hievethree-dimensionalreconstructionandmeasurementwithfullcoverage.TheEPnP(efficientperspective-n-point)algorithmfitforordinaryimage’spositionandposeestimationisimprovedandextendedbythispapertoputforwardarobustandfastmethodtoestimatesphericalpanoramicimage’sposi
6、tionandpose.Firstly,weconstructtheprojectionmodelofsphericalpanoramicimagetoextendtheperspectiveplaneimagingmodelofEPnPalgorithmtothesphericalimagingmodel;thenwiththeimprovedEPnPalgorithmbasingontheconditionequationthatpanoramicspherecenter,imagepointandcontrolp
7、ointarecollinear,weobtainthecontrolpoints’coordinatesinsphericalpanoramicimagespace;finally,wesolvethesphericalpanoramicimage’spositionandposedirectlywiththeHornabsolutepositioningalgorithm.Comparedwiththepositionandposeestimationmethodofsphericalpanoramicimagew
8、iththeresectionalgorithm,theexperimentresultsshowthatthemethodproposedinthispapercanachievehigherrobustness,higherefficiencywithoutgoingthroughaniterativesolution,and
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