Optimization of Number of GCPs and Placement Strategy for UAV-Based Orthophoto Production
Applied Sciences (Switzerland)Unmanned aerial vehicles (UAVs) have been employed to perform aerial surveys in many industries owing to their versatility, relatively low cost, and efficiency.
Hyuncheol Seo +2 more
exaly +4 more sources
HYBRID GEOMETRIC CALIBRATION METHOD FOR MULTI-PLATFORM SPACEBORNE SAR IMAGE WITH SPARSE GCPS [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 Geometric calibration is able to provide high-accuracy geometric coordinates of spaceborne SAR image through accurate geometric parameters in the Range-Doppler model by ground control points (GCPs).
G. Lv +5 more
doaj +2 more sources
COMPARISON OF GEOMETRIC CORRECTION SCHEMES FOR GEOSTATIONARY OCEAN COLOR IMAGER SLOTS WITHOUT GCPS [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 Currently, the geometric correction process of GOCI (Geostationary Ocean Color Imager) image is performed by matching slot images against shorelines and utilizing the matching results as GCPs (Ground Control Point).
J. Son, H. Kim, T. Kim
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Arhgef7 is essential for granule cell precursor proliferation and migration during cerebellum development [PDF]
iScienceSummary: During cerebellar development, granule cell precursors (GCPs) undergo a series of tightly regulated events, including proliferation, migration, and differentiation.
Vanesa Jiménez-Amilburu +5 more
doaj +2 more sources
The Synergistic Effects of GCPs and Camera Calibration Models on UAV-SfM Photogrammetry
DronesPrevious studies have shown that the use of appropriate ground control points (GCPs) and camera calibration models can optimize photogrammetry. However, the synergistic effects of GCPs and camera calibration models on UAV-SfM photogrammetry are still ...
Zixin Wang +5 more
doaj +2 more sources
Model-based CP Selection Method for Calibration of Airborne InSAR with Sparse GCPs
Leida xuebao, 2012 High-precision height acquisition needs to correct the interferometric parameters errors by interferometric calibration for Interferometric Synthetic Aperture Radar (InSAR) system with many Ground Control Points (GCPs).
Hu Ji-wei, Hong Jun, Ming Feng, Li Liang
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Evaluation of the influence of the number of GCPS on the measurement quality of a photogrammetric block captured with an RTK UAV in geographical environments with high topographic roughness [PDF]
GEOmediaThis study investigates the impact of using Ground Control Points (GCPs) on the measurement quality of photogrammetric blocks in high topographic roughness areas, captured with an RTK-enabled UAV.
Kevin De Flue Pilco Lopez, Moises Araca
doaj +1 more source
Arte, Individuo y Sociedad, 2021 This study examines Great Cultural Projects (GCPs) as an element of the developmental process of cities. For this study, GCPs are regarded as a global phenomenon rather than cases that must be analyzed independently.
Anna Maria Biedermann +1 more
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Journal of Asian Architecture and Building Engineering, 2021 Ground control points (GCPs) are used in the process of indirectly georeferencing unmanned aerial systems (UAS) images. The aim of this study was to determined how many GCPs and what kind of distribution is required in order to obtain high precision ...
Ali Ulvi
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Remote Sensing, 2020 Currently, products that are obtained by Unmanned Aerial Systems (UAS) image processing based on structure-from-motion photogrammetry (SfM) are being investigated for use in high precision projects.
Valeria-Ersilia Oniga +3 more
doaj +1 more source