Results 81 to 90 of about 10,286,824 (193)
Accuracy assessment of DSM in mountainous forest areas generated from GF-7 stereo images assisted by ATLAS/ICESat-2 [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information SciencesThe successful launch of the GaoFen-7 (GF-7) satellite has made it possible to achieve sub-meter-level three-dimensional mapping. However, most current studies focus on accuracy evaluating of GF-7 stereo mapping in bare land, and less on its performance ...
J. Xie +4 more
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IOP Conference Series: Earth and Environmental Science, 2019 Abstract High resolution imagery can be used in basic map making process. Basic map is basic data used for Comprehensive Systematic Land Registration (PTSL) making. However, the use of high resolution imagery is still has geometric errors that must be eliminated by performing rectification process.
M Taufik, V P Puspitasari
openaire +1 more source
Automated ground control point identification using deep learning techniques [PDF]
, 2023 Ground Control Points (GCPs) play a crucial role in photogrammetry, providing essential information for georeferencing, registration and scaling of aerial and satellite imagery. These reference points, with known coordinates, are strategically placed and
Grundmann, Jens +5 more
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, 2012 The acquirement of ground control points (GCPs) is a basic and important step in the geometric correction of remotely sensed imagery. In particular, the spatial distribution of GCPs may affect the accuracy and quality of image correction.
Heuvelink, G.B.M. +9 more
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Ground Control Points along the coastal plain of Babitonga Bay-Santa Catarina-Brazil
Ground Control Points (topography) obtained along the coastal plain of Babitonga Bay- Santa Catarina, Brazil. Fieldwork was conducted in August 2017 to collect planialtimetric data using a Trimble Catalyst antenna equipped with a Differential Global ...
Fontes, Neuza +6 more
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Remote Sensing, 2019 Ground control points (GCPs) are generally used to calibrate the installation between the camera and star sensor of a satellite in orbit and improve the geometric positioning accuracy of the satellite.
Zhichao Guan +3 more
doaj +1 more source
Why you need to use ground control points (GCP) for drone mapping
GEOmediaThe article explains why Ground Control Points (GCPs) remain essential in drone mapping, even with the advent of RTK/PPK drones. GCPs act as reliable reference markers that correct positional errors, ensuring that aerial imagery aligns accurately with ...
Eric Van Rees
doaj
DronesMonitoring steep slopes in mountainous canyon areas has always been a challenging problem, especially during the construction of large hydropower projects. Effective monitoring is crucial for construction safety and operational security.
Qing-Wen Wen +7 more
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Algorithm for Extracting Ground Control Points from NOAA-AVHRR Data [PDF]
National Oceanic and Atmospheric Administration (NOAA) and Advanced Very High Resolution Radiometer (AVHRR) data are available on a daily basis and have been frequently used for global observation.
西田, 眞 +5 more
core
Evaluation of Control Points’ Distribution on Distortions and Geometric Transformations for Aerial Images Rectification [PDF]
, 2012 Geometric distortions are inevitable in aerial images. A raw uncalibrated aerial image acquired from a non-metric digital camera which carried by an aircraft normally has lens and perspective distortions and could not be used directly without undergoing ...
Lee, Hung Liew +2 more
core +1 more source