Alternative methods for improving transformation consistency between geocentric and nongeocentric (LOCAL) coordinate systems

Today, GPS is the most popular surveying technique used in determination of geodetic networks. Using this technique, one can obtain point coordinates in a geocentric coordinate system. On the other hand, geodetic frameworks in many countries are referenced to local coordinate systems. Therefore, geodesists often come across transformation problems between geocentric and local coordinate systems. The 7-parameter similarity transformation method, which reveals the real geometrical relationship between terrestrial coordinate systems, is usually the basic solution to this problem. However, this method may not always provide a transformation with a good consistency when the existing coordinates in local systems are distorted. In this case, alternative methods to the basic solution should be introduced to acquire a better consistency. For this purpose, the polynomial method is the most common alternative in practice. In this study, two other methods, namely the least square filtering and the artificial neural network methods, are introduced into the transformation problem. These three methods are investigated using the data composed of the point coordinates in ITRF94 and ED50 frames which are located in the city of Istanbul in Turkey. This investigation, carried out with respect to various criteria, shows that the most consistent results are obtained by the artificial neural network method. © 2009 Survey Review Ltd.

Yazar Kutoglu H.S.
Yayın Türü Article
Tek Biçim Adres https://hdl.handle.net/20.500.12628/4168
Tek Biçim Adres 10.1179/003962609X451645
Konu Başlıkları Geocentric coordinates
ITRF94
Local coordinates
Transformation
Koleksiyonlar Araştırma Çıktıları | WoS | Scopus | TR-Dizin | PubMed | SOBİAD
Scopus İndeksli Yayınlar Koleksiyonu
Dergi Adı Survey Review
Dergi Cilt Bilgisi 41
Dergi Sayısı 314
Sayfalar 408 - 418
Yayın Yılı 2009
Eser Adı
[dc.title]
Alternative methods for improving transformation consistency between geocentric and nongeocentric (LOCAL) coordinate systems
Yazar
[dc.contributor.author]
Kutoglu H.S.
Yayın Yılı
[dc.date.issued]
2009
Yayın Türü
[dc.type]
article
Özet
[dc.description.abstract]
Today, GPS is the most popular surveying technique used in determination of geodetic networks. Using this technique, one can obtain point coordinates in a geocentric coordinate system. On the other hand, geodetic frameworks in many countries are referenced to local coordinate systems. Therefore, geodesists often come across transformation problems between geocentric and local coordinate systems. The 7-parameter similarity transformation method, which reveals the real geometrical relationship between terrestrial coordinate systems, is usually the basic solution to this problem. However, this method may not always provide a transformation with a good consistency when the existing coordinates in local systems are distorted. In this case, alternative methods to the basic solution should be introduced to acquire a better consistency. For this purpose, the polynomial method is the most common alternative in practice. In this study, two other methods, namely the least square filtering and the artificial neural network methods, are introduced into the transformation problem. These three methods are investigated using the data composed of the point coordinates in ITRF94 and ED50 frames which are located in the city of Istanbul in Turkey. This investigation, carried out with respect to various criteria, shows that the most consistent results are obtained by the artificial neural network method. © 2009 Survey Review Ltd.
Kayıt Giriş Tarihi
[dc.date.accessioned]
2019-12-23
Açık Erişim Tarihi
[dc.date.available]
2019-12-23
Yayın Dili
[dc.language.iso]
eng
Konu Başlıkları
[dc.subject]
Geocentric coordinates
Konu Başlıkları
[dc.subject]
ITRF94
Konu Başlıkları
[dc.subject]
Local coordinates
Konu Başlıkları
[dc.subject]
Transformation
Haklar
[dc.rights]
info:eu-repo/semantics/closedAccess
ISSN
[dc.identifier.issn]
0039-6265
İlk Sayfa Sayısı
[dc.identifier.startpage]
408
Son Sayfa Sayısı
[dc.identifier.endpage]
418
Dergi Adı
[dc.relation.journal]
Survey Review
Dergi Sayısı
[dc.identifier.issue]
314
Dergi Cilt Bilgisi
[dc.identifier.volume]
41
Tek Biçim Adres
[dc.identifier.uri]
https://dx.doi.org/10.1179/003962609X451645
Tek Biçim Adres
[dc.identifier.uri]
https://hdl.handle.net/20.500.12628/4168
Görüntülenme Sayısı ( Şehir )
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Görüntülenme Sayısı ( Zaman Dağılımı )
Görüntülenme
111
09.12.2022 tarihinden bu yana
İndirme
1
09.12.2022 tarihinden bu yana
Son Erişim Tarihi
09 Haziran 2024 11:16
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coordinate systems method transformation methods coordinates solution network between neural artificial problem consistency introduced technique alternative geodetic geocentric common investigated filtering practice namely square Istanbul criteria Review Survey obtained results consistent various composed respect carried
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