Results 21 to 30 of about 54,052,566 (187)

Error budget analysis of geocoding and geometric correction for KOMPSAT-5 SAR imagery

open access: yesGIScience & Remote Sensing, 2022
Geocoding geometrically rectifies a remote sensing image according to a specific map projection, and is an essential process for utilizing synthetic aperture radar (SAR) satellite images.
Eunkwan Lee   +4 more
doaj   +2 more sources

Improvement of Kompsat-5 Sea Surface Wind with Correction Equation Rretrieval and Application

open access: yesIGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium, 2020
KOMPSAT-5 is the first satellite in Korea equipped with X-band Synthetic Aperture Radar (SAR) instrument and has been operated since August 2013. The availability of KOMPSAT-5 is highlighted as the need of high resolution wind for coastal monitoring.
Jae-Cheol Jang   +3 more
openaire   +3 more sources

Accuracy Assessment of a Digital Elevation Model Constructed Using the KOMPSAT-5 Dataset

open access: yesRemote Sensing
The Interferometric Synthetic Aperture Radar (InSAR) has significantly advanced in its usage for analyzing surface information such as displacement or elevation. In this study, we evaluated a digital elevation model (DEM) constructed using X-band KOMPSAT-
Je-Yun Lee   +3 more
doaj   +2 more sources

OIL SPILL DETECTION AND MONITORING OF ABU DHABI COASTAL ZONE USING KOMPSAT-5 SAR IMAGERY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
Abu Dhabi Government endorsed vision for its Maritime Strategy ‘A safe, secure and sustainable maritime domain for Abu Dhabi'. This research study share this vision using the concept of monitoring as tool for marine protection against any possible oil ...
H. A. Harahsheh
doaj   +3 more sources

Ground Track Maintenance Maneuver Simulations for the KOMPSAT Spacecraft [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1998
Ground track maintenance maneuver simulations for the KOMPSAT spacecraft are performed for three and half years. Both longitude targeting and time targeting strategies are applied for in-plane maneuvers. The nominal longitude bands of maneuvers for ±5 km
Byoung-Sun Lee, Jeong-Sook Lee
doaj   +1 more source

Two-Dimensional Ship Velocity Estimation Based on KOMPSAT-5 Synthetic Aperture Radar Data [PDF]

open access: yesRemote Sensing, 2019
Continuously accumulating information on vessels and their activities in coastal areas of interest is important for maintaining sustainable fisheries resources and coastal ecosystems.
Minyoung Back   +3 more
doaj   +2 more sources

Evapotranspiration Everywhere, All the Time: Towards a Unified View From Earth Observation. [PDF]

open access: yesGlob Chang Biol
This paper discusses the evolution and revolution of Earth observation for evapotranspiration (ET), as we advanced from the first Landsat satellite and development of ET models through the progression of increasingly higher resolution across international space agencies and commercial industry with increasing ET model sophistication, cloud computing ...
Fisher JB   +6 more
europepmc   +2 more sources

Long-term monitoring and remote sensing reveal waterbird colony collapses with rising lake levels and multiple stressors. [PDF]

open access: yesEcol Appl
Abstract Global climate change is expected to exacerbate existing environmental stressors and increasingly impact biodiversity. While likely widespread, changes in wildlife populations resulting from the interaction of climate change and other environmental stressors remain poorly understood.
Fuller JL   +5 more
europepmc   +2 more sources

Rigorous Co-Registration of KOMPSAT-3 Multispectral and Panchromatic Images for Pan-Sharpening Image Fusion. [PDF]

open access: yesSensors (Basel), 2020
KOMPSAT-3, a Korean earth observing satellite, provides the panchromatic (PAN) band and four multispectral (MS) bands. They can be fused to obtain a pan-sharpened image of higher resolution in both the spectral and spatial domain, which is more ...
Lee C, Oh J.
europepmc   +2 more sources

Radiometric Distortion Corrected Radar Backscattering Coefficient Data over Ilam, Iran using Kompsat-5 SAR Image [PDF]

open access: yesGeo Data, 2021
Flattening gamma naught was calculated using Korea Multipurpose Satellite 5 (KOMPSAT-5, K5) by correcting the radiometric distortion caused by geometric distortion over Ilam, Iran.
Dochul Yang
doaj   +1 more source

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