Investigation of accuracy of PPP and PPP-AR methods for direct georeferencing in UAV photogrammetry
Traditionally, photogrammetric product accuracy at cm level is obtained with Ground Control Points (GCP) in UAV photogrammetry. In recent years, UAVs equipped with Post-Processing Kinematic & Real-Time Kinematic (PPK/RTK) have become widespread. Accuracy in cm-level can be obtained with relative...
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| Published in | Earth science informatics Vol. 15; no. 4; pp. 2231 - 2238 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English |
| Published |
Berlin/Heidelberg
Springer Berlin Heidelberg
01.12.2022
Springer Nature B.V |
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| Online Access | Get full text |
| ISSN | 1865-0473 1865-0481 |
| DOI | 10.1007/s12145-022-00868-7 |
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| Abstract | Traditionally, photogrammetric product accuracy at cm level is obtained with Ground Control Points (GCP) in UAV photogrammetry. In recent years, UAVs equipped with Post-Processing Kinematic & Real-Time Kinematic (PPK/RTK) have become widespread. Accuracy in cm-level can be obtained with relative/differential positioning with these equipment. On the other hand, PPP (Precise Point Positioning), which is a special type of absolute positioning, is used effectively in many applications. In this study, performances of PPP and PPP-AR (PPP positioning with ambiguity resolution) solutions of kinematic GNSS data obtained from UAVs were investigated and compared with PPK solutions based on relative positioning. Especially, the performance and potential of the PPP-AR approach in terms of quality and accuracy of the products generated in UAV-photogrammetry has been demonstrated. Thus, this study can significantly contribute to subjects such as the production of fast, accurate, and cost-effective products with UAV photogrammetry, earth sciences applications, precise agriculture, sustainable forest management, forest planning. |
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| AbstractList | Traditionally, photogrammetric product accuracy at cm level is obtained with Ground Control Points (GCP) in UAV photogrammetry. In recent years, UAVs equipped with Post-Processing Kinematic & Real-Time Kinematic (PPK/RTK) have become widespread. Accuracy in cm-level can be obtained with relative/differential positioning with these equipment. On the other hand, PPP (Precise Point Positioning), which is a special type of absolute positioning, is used effectively in many applications. In this study, performances of PPP and PPP-AR (PPP positioning with ambiguity resolution) solutions of kinematic GNSS data obtained from UAVs were investigated and compared with PPK solutions based on relative positioning. Especially, the performance and potential of the PPP-AR approach in terms of quality and accuracy of the products generated in UAV-photogrammetry has been demonstrated. Thus, this study can significantly contribute to subjects such as the production of fast, accurate, and cost-effective products with UAV photogrammetry, earth sciences applications, precise agriculture, sustainable forest management, forest planning. |
| Author | Ocalan, Taylan Turk, Tarik Gurturk, Mert Tunalioglu, Nursu |
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| References_xml | – reference: KoubaJHérouxPPrecise point positioning using IGS orbit and clock productsGPS Solutions200152122810.1007/PL00012883 – reference: DoganAHTunaliogluNErdoganBOcalanTEvaluation of the GPS Precise Point Positioning technique during the 21 July 2017 Kos-Bodrum (East Aegean Sea) Mw 6.6 earthquakeArab J Geosci2018112411010.1007/s12517-018-4140-z – reference: Lipatnikov LA, Shevchuk SO (2019) Cost Effective Precise Positioning with GNSS, 82. Denmark: International Federation of Surveyors (FIG). https://www.fig.net/resources/publications/figpub/pub74/Figpub74.pdf – reference: LoyerSPerosanzFMercierFCapdevilleHMartyJCZero-difference GPS ambiguity resolution at CNES–CLS IGS Analysis CenterJ Geodesy20128611991100310.1007/s00190-012-0559-2 – reference: SeepersadGBisnathSAn assessment of the interoperability of PPP-AR network productsJ global Position Syst201715111210.1186/s41445-017-0009-9 – reference: GuoJGengJWangCImpact of the third frequency GNSS pseudorange and carrier phase observations on rapid PPP convergencesGPS Solutions2021253010.1007/s10291-020-01079-7 – reference: TunaliogluNTekrarlı yaya yürüyüşü ve kısa süreli kinematik GPS + GLONASS gözlemleriyle PPP yönteminin performans analizi. (In Turkish)Jeodezi ve Jeoinformasyon Dergisi2020712113210.9733/JGG.2020R0008.T – reference: URL-1 : https://webapp.geod.nrcan.gc.ca/geod/tools-outils/ppp.php?locale=en – reference: Chen K, Gao Y (2005) Real-time precise point positioning using single frequency data. 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| Title | Investigation of accuracy of PPP and PPP-AR methods for direct georeferencing in UAV photogrammetry |
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