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Sensors 2016, 16(10), 1776; doi:10.3390/s16101776

Geometric Calibration and Validation of Kompsat-3A AEISS-A Camera

1
Korea Aerospace Research Institute, Daejeon 34133, Korea
2
Department of Civil Engineering, Chonnam National University, Gwangju 61186, Korea
3
Department of Civil Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Gonzalo Pajares Martinsanz
Received: 26 September 2016 / Revised: 19 October 2016 / Accepted: 20 October 2016 / Published: 24 October 2016
(This article belongs to the Special Issue Imaging: Sensors and Technologies)
View Full-Text   |   Download PDF [4480 KB, uploaded 24 October 2016]   |  

Abstract

Kompsat-3A, which was launched on 25 March 2015, is a sister spacecraft of the Kompsat-3 developed by the Korea Aerospace Research Institute (KARI). Kompsat-3A’s AEISS-A (Advanced Electronic Image Scanning System-A) camera is similar to Kompsat-3’s AEISS but it was designed to provide PAN (Panchromatic) resolution of 0.55 m, MS (multispectral) resolution of 2.20 m, and TIR (thermal infrared) at 5.5 m resolution. In this paper we present the geometric calibration and validation work of Kompsat-3A that was completed last year. A set of images over the test sites was taken for two months and was utilized for the work. The workflow includes the boresight calibration, CCDs (charge-coupled devices) alignment and focal length determination, the merge of two CCD lines, and the band-to-band registration. Then, the positional accuracies without any GCPs (ground control points) were validated for hundreds of test sites across the world using various image acquisition modes. In addition, we checked the planimetric accuracy by bundle adjustments with GCPs. View Full-Text
Keywords: Kompsat-3A; AEISS-A; calibration; validation Kompsat-3A; AEISS-A; calibration; validation
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MDPI and ACS Style

Seo, D.; Oh, J.; Lee, C.; Lee, D.; Choi, H. Geometric Calibration and Validation of Kompsat-3A AEISS-A Camera. Sensors 2016, 16, 1776.

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