Results 1 to 10 of about 54,052,566 (187)

Super-Resolution Procedure for Target Responses in KOMPSAT-5 Images [PDF]

open access: yesSensors, 2022
Recently, target analysis using satellite SAR images has received much attention in the area of satellite SAR remote sensing. Because the spatial resolution of the target response in the satellite SAR image is a main factor that has a large effect on ...
Seung-Jae Lee, Sun-Gu Lee
doaj   +6 more sources

Time-Series Change Detection Using KOMPSAT-5 Data with Statistical Homogeneous Pixel Selection Algorithm [PDF]

open access: yesSensors
For change detection in synthetic aperture radar (SAR) imagery, amplitude change detection (ACD) and coherent change detection (CCD) are widely employed.
Mirza Muhammad Waqar   +4 more
doaj   +5 more sources

Radiometric Calibration and Uncertainty Analysis of KOMPSAT-3A Using the Reflectance-Based Method [PDF]

open access: yesSensors, 2020
In recent years, Korea has sustained consistent access to remote sensed data by launching Korea Multi-Purpose Satellite-3A (KOMPSAT-3A, K3A)—an updated version of the high-resolution KOMPSAT series.
Cheonggil Jin   +3 more
doaj   +3 more sources

Initial Radiometric Characteristics of KOMPSAT-3A Multispectral Imagery Using the 6S Radiative Transfer Model, Well-Known Radiometric Tarps, and MFRSR Measurements

open access: yesRemote Sensing, 2017
On-orbit radiometric characterization of the multispectral (MS) imagery of the Korea Aerospace Research Institute (KARI)’s Korea Multi-Purpose Satellite-3A (KOMPSAT-3A), which was launched on 25 March 2015, was conducted to provide quantitative ...
Kwon-Ho Lee   +2 more
exaly   +4 more sources

Kompsat-5 Image Data Provision and Quality Management [PDF]

open access: yesGeo Data, 2022
The Korea Aerospace Research Institute is conducting continuous quality management to provide reliable Kompsat-5 SAR image products to users. In this paper, the Kompsat-5 satellite operation, data processing, quality management, and data provision were ...
Dochul Ynag, Horyung Jeong, Doochun Seo
doaj   +2 more sources

Geometric Calibration and Validation of Kompsat-3A AEISS-A Camera [PDF]

open access: yesSensors, 2016
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
Changno Lee, Jae Hong Oh
exaly   +3 more sources

KOMPSAT-5 GNSS Radio Occultation Data Operations [PDF]

open access: yesGeo Data, 2022
The Korea Aerospace Research Institute launched KOMPSAT-5 on August 22, 2013, and has been operating for 10 years. KOMPSAT-5 has SAR (Synthetic Aperture Radar) for earth observation missions, and collects data necessary for earth atmosphere analysis ...
Okchul Jung   +3 more
doaj   +2 more sources

Efficient Super-Resolution Method for Targets Observed by Satellite SAR [PDF]

open access: yesSensors, 2023
This study presents an efficient super-resolution (SR) method for targets observed by satellite synthetic aperture radar (SAR). First, a small target image is extracted from a large-scale SAR image and undergoes proper preprocessing.
Seung-Jae Lee, Sun-Gu Lee
doaj   +2 more sources

Mapping co-seismic surface deformation using high-resolution KOMPSAT-3/3A image correlation for the 2023 Kahramanmaraş earthquakes, Türkiye [PDF]

open access: yesScientific Reports
Large earthquakes commonly generate surface rupture accompanied by both localized on-fault slip and spatially distributed off-fault deformation. Capturing both components is essential for understanding rupture processes and improving earthquake hazard ...
Chaehyeon Choi, Jin-Hyuck Choi
doaj   +2 more sources

NSTracker: 3-Axis Antenna Control Software for Stable Satellite Data Acquisition [PDF]

open access: yesSensors
With the rapid growth of the New Space era, the increasing number and diversity of Low Earth Orbit (LEO) satellites demand generic and reusable antenna control software capable of stable and accurate tracking across heterogeneous orbital and antenna ...
Euteum Choi   +3 more
doaj   +2 more sources

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