{"title":"A detecting and compensation method for the errors from broken ground control points at the application of Direct Geo-referencing","authors":"Tong Liu, Guochang Xu, Wenlin Yan, Tianhe Xu","doi":"10.1109/CPGPS.2017.8075119","DOIUrl":null,"url":null,"abstract":"This paper proposed an automatic method to detect and compensate the broken GCPs at the application of Direct Geo-referencing. Initial exterior parameters were from the aiding of GNSS/IMU integration through a 15-state Kalman Filter, the detecting method is based on Aerial Triangulation and an enumerating way. The correction of broken GCPs is calculated by forward intersection. Six aerial images taken from a town at Portugal and simulated broken GCPs were used to validate this method. The results show that this detecting method of the broken GCPs at the application of Direct Geo-referencing has a positive effect: the error caused by the broken GCPs can be decreased significantly.","PeriodicalId":340067,"journal":{"name":"2017 Forum on Cooperative Positioning and Service (CPGPS）","volume":"36 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 Forum on Cooperative Positioning and Service (CPGPS）","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CPGPS.2017.8075119","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This paper proposed an automatic method to detect and compensate the broken GCPs at the application of Direct Geo-referencing. Initial exterior parameters were from the aiding of GNSS/IMU integration through a 15-state Kalman Filter, the detecting method is based on Aerial Triangulation and an enumerating way. The correction of broken GCPs is calculated by forward intersection. Six aerial images taken from a town at Portugal and simulated broken GCPs were used to validate this method. The results show that this detecting method of the broken GCPs at the application of Direct Geo-referencing has a positive effect: the error caused by the broken GCPs can be decreased significantly.
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