KOMPSAT-3/3A Image-text Dataset for Training Large Multimodal Models [PDF]
Geo DataThis study aims to improve the accuracy and interpretability of large multimodal models (LMMs) specialized in satellite image analysis by constructing an image-text dataset based on KOMPSAT-3/3A imagery and presenting the results of training using this ...
Han Oh, Dong-Bin Shin, Dae-Won Chung
doaj +4 more sources
Remote SensingThis study conducted multi-sensor image classification by utilizing Google Earth Engine (GEE) and applying satellite imagery from Korean Multi-purpose Satellite 3 (KOMPSAT-3), KOMPSAT-5 SAR, Compact Advanced Satellite 500-1 (CAS500-1), Sentinel-1, and ...
Jeonghee Lee, Kwangseob Kim, Kiwon Lee
doaj +3 more sources
A Double Epipolar Resampling Approach to Reliable Conjugate Point Extraction for Accurate Kompsat-3/3A Stereo Data Processing [PDF]
Remote Sensing, 2020 Kompsat-3/3A provides along-track and across-track stereo data for accurate three-dimensional (3D) topographic mapping. Stereo data preprocessing involves conjugate point extraction and acquisition of ground control points (GCPs), rational polynomial ...
Jaehong Oh, Youkyung Han
doaj +4 more sources
Remote 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 ...
Jong-Min Yeom +4 more
doaj +4 more sources
Detection of illegal constructions in urban cities: comparing LIDAR data and stereo KOMPSAT-3 images with development plans [PDF]
European Journal of Remote Sensing, 2019 Illegal building construction can be a problematic issue on densely populated metropolitan cities, especially because it leads to crooked civilization and unbalanced urban structure.
Beril Varol +4 more
doaj +3 more sources
Lunar Eclipse Analysis For KOMPSAT [PDF]
Journal of Astronomy and Space Sciences, 1998 The Korea Muliti-Purpose Satellite(KOMPSAT) uses a sun-synchronous orbit with an altitude 685km as mission orbit and undergoes earth eclipses and infrequently lunar eclipses. Lunar eclipses occur when the moon is located between the sun and the satellite
Eunghyun Kim +2 more
doaj +1 more source
Automated Geo/Co-Registration of Multi-Temporal Very-High-Resolution Imagery [PDF]
Sensors, 2018 For time-series analysis using very-high-resolution (VHR) multi-temporal satellite images, both accurate georegistration to the map coordinates and subpixel-level co-registration among the images should be conducted. However, applying well-known matching
Youkyung Han, Jaehong Oh
doaj +2 more sources
GeoAI Dataset for Industrial Park and Quarry Classification from KOMPSAT-3/3A Optical Satellite Imagery [PDF]
Geo Data, 2023 Air pollution is a serious problem in the world, and it is necessary to monitor air pollution emission sources in other neighboring countries to respond to the problem of air pollution spreading across borders.
Che-Won Park +8 more
doaj +2 more sources
Retrieval of Electron Density Profile for KOMPSAT-5 GPS Radio Occultation [PDF]
Journal of Astronomy and Space Sciences, 2007 The AOPOD (Atmosphere Occultation and Precision Orbit Determination) system, the secondary payload of KOMPSAT (KOrea Multi-Purpose SATellite)-5 scheduled to be launched in 2010, shall provide GPS radio occultation data.
Woo-Kyoung Lee +8 more
doaj +2 more sources
An Implementation of Open Source-Based Software as a Service (SaaS) to Produce TOA and TOC Reflectance of High-Resolution KOMPSAT-3/3A Satellite Image [PDF]
Remote Sensing, 2021 The majority of cloud applications are created or delivered to provide users with access to system resources or prebuilt processing algorithms for efficient data storage, management, and production.
Kwangseob Kim, Kiwon Lee
doaj +3 more sources