Abstract

In the rapidly evolving technology era, various survey methods have been widely used one of them by remote sensing using satellite. It is known that the satellite image recording process is covered by rides (satellites) moving over the Earth's surface at hundreds of kilometers, causing satellite imagery to have geometric distortion. To reduce the effect of geometric distortion of objects on the image, geometric correction by orthorectification is done. Pleiades is a satellite of high resolution satellite image producer made by Airbus Defense & Space company. The resulting satellite imagery has a 0.5 meter spatial resolution. As a reference for the more detailed space utilization activities of space utilization arranged in the Regional Spatial Plans, Detailed Spatial Plans was created with the 1: 5000 scale map which has been governed by the Geospatial Information Agency. In the process of orthorectifying satellite imagery for this 1: 5000 scale map, ground control or Ground Control Point (GCP) is used for geometric correction and Digital Elevation Model (DEM) data. In this research, the optimal number of GCP usage for orthorectification process in Rational Function method is 21 GCP using 2nd order polynomial.

Original languageEnglish
Article number02008
JournalE3S Web of Conferences
Volume94
DOIs
Publication statusPublished - 8 May 2019
Event2018 International Symposium on Global Navigation Satellite System, ISGNSS 2018 - Bali, Indonesia
Duration: 21 Nov 201823 Nov 2018

Keywords

  • GCP
  • Orthorectification
  • Polynomial
  • Rational Function
  • Satellite Imagery

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