Establishing ground control points for high-resolution satellite imagery using GPS precise point positioning

@article{Satirapod2003EstablishingGC,
  title={Establishing ground control points for high-resolution satellite imagery using GPS precise point positioning},
  author={Chalermchon Satirapod and Itthi Trisirisatayawong and Phakphong Homniam},
  journal={IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477)},
  year={2003},
  volume={7},
  pages={4486-4488 vol.7}
}
A GPS measurement and processing technique of precise point positioning (PPP) accurate to 2.5 m is developed for the purpose of establishing ground control points (GCPs) for rectifying medium and high resolution satellite imageries. In practice, the coordinates necessary in geometric rectification are usually derived from medium scale maps such as 1;50,000 or 1:25,000 scale topographic maps. However, the total positional error of any point on these maps may exceed 1.0 mm due to pointing… CONTINUE READING

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