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A Method for the Precise Coordinate Determination of an Inaccessible Location

Surveyors are occasionally tasked to with determining the coordinates of inaccessible locations or points in civil engineering applications, ground control points for photogrammetry or LiDAR data acquisition, among others. The present work outlines and investigates a novel method for estimating the...

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Autores principales: Osada, Edward, Owczarek-Wesołowska, Magdalena, Karsznia, Krzysztof, Becek, Kazimierz, Muszyński, Zbigniew
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10574891/
https://www.ncbi.nlm.nih.gov/pubmed/37837028
http://dx.doi.org/10.3390/s23198199
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author Osada, Edward
Owczarek-Wesołowska, Magdalena
Karsznia, Krzysztof
Becek, Kazimierz
Muszyński, Zbigniew
author_facet Osada, Edward
Owczarek-Wesołowska, Magdalena
Karsznia, Krzysztof
Becek, Kazimierz
Muszyński, Zbigniew
author_sort Osada, Edward
collection PubMed
description Surveyors are occasionally tasked to with determining the coordinates of inaccessible locations or points in civil engineering applications, ground control points for photogrammetry or LiDAR data acquisition, among others. The present work outlines and investigates a novel method for estimating the GNSS coordinates of an inaccessible location where a surveying instrument cannot be set up. The procedure is based on the well-known surveying intersection method and data extracted from an Earth Gravity Model (e.g., EGM 2008). The location’s coordinates are obtained from the least-squares adjustment of the angles and distances measured from at least two sites to the unknown point using a total station, within the framework of the Gauss–Helmert method. Field tests confirmed that the accuracy of the determined coordinates of the inaccessible point is at the level of 1 cm. The proposed method bypasses standard coordinate transformation steps performed with the traditional approach, directly producing geocentric coordinates of the unknown points.
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spelling pubmed-105748912023-10-14 A Method for the Precise Coordinate Determination of an Inaccessible Location Osada, Edward Owczarek-Wesołowska, Magdalena Karsznia, Krzysztof Becek, Kazimierz Muszyński, Zbigniew Sensors (Basel) Article Surveyors are occasionally tasked to with determining the coordinates of inaccessible locations or points in civil engineering applications, ground control points for photogrammetry or LiDAR data acquisition, among others. The present work outlines and investigates a novel method for estimating the GNSS coordinates of an inaccessible location where a surveying instrument cannot be set up. The procedure is based on the well-known surveying intersection method and data extracted from an Earth Gravity Model (e.g., EGM 2008). The location’s coordinates are obtained from the least-squares adjustment of the angles and distances measured from at least two sites to the unknown point using a total station, within the framework of the Gauss–Helmert method. Field tests confirmed that the accuracy of the determined coordinates of the inaccessible point is at the level of 1 cm. The proposed method bypasses standard coordinate transformation steps performed with the traditional approach, directly producing geocentric coordinates of the unknown points. MDPI 2023-09-30 /pmc/articles/PMC10574891/ /pubmed/37837028 http://dx.doi.org/10.3390/s23198199 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Osada, Edward
Owczarek-Wesołowska, Magdalena
Karsznia, Krzysztof
Becek, Kazimierz
Muszyński, Zbigniew
A Method for the Precise Coordinate Determination of an Inaccessible Location
title A Method for the Precise Coordinate Determination of an Inaccessible Location
title_full A Method for the Precise Coordinate Determination of an Inaccessible Location
title_fullStr A Method for the Precise Coordinate Determination of an Inaccessible Location
title_full_unstemmed A Method for the Precise Coordinate Determination of an Inaccessible Location
title_short A Method for the Precise Coordinate Determination of an Inaccessible Location
title_sort method for the precise coordinate determination of an inaccessible location
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10574891/
https://www.ncbi.nlm.nih.gov/pubmed/37837028
http://dx.doi.org/10.3390/s23198199
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