This study investigated the accuracy of DEMs generated from KOMPSAT-5 SAR (Synthetic Aperture Radar) stereo imagery using three types of CPs (Control Points) for RPC (Rational Polynomial Coefficient) correction. The three...

지리 2025-06-23 국내 https://www.dbpia.co.kr/

Recently, geospatial technologies in Korea have been rapidly advancing through the integration of high-resolution satellite imagery, drone platforms, spatial data analytics, and artificial intelligence (AI). In response to the ...

지리 2025-06-02 국내 https://www.kjrs.org/

For change detection in synthetic aperture radar (SAR) imagery, amplitude change detection (ACD) and coherent change detection (CCD) are widely employed. However, time-series SAR data often contain noise and variability introdu...

지리 2025-05-19 국내 https://www.mdpi.com/

This 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 resul...

지리 2025-05-02 국내 https://geodata.kr/

Abstract



Typically, the geometric correction of high-resolution satellite images is performed using RPCs (Rational Polynomial Coefficients). For high-res...

지리 2025-04-16 국내 dbpia.co.kr

서론



위성영상에서의 객체 탐지는 재난 관리, 환경 모니터링, 에너지 관리, 자원 탐사, 국가 안보, 식량 생산 등 다양한 응용 분야에서 중요한 역할을 한다. 특히, 고해상도 위성영상에서 다양한 객체를 정확하게 탐지하는 것은 정확한 정보 분석과 신속한 의사결정을 위해 매우 중...

지리 2025-04-10 국내 dbpia

Abstract



The Interferometric Synthetic Aperture Radar (InSAR) has significantly advanced in its usage for analyzing surface information such as displacem...

지리 2025-03-26 국내 mdpi.com

The Geostationary Environment Monitoring Spectrometer (GEMS) onboard the Geostationary Korea Multi-Purpose Satellite-2B (GEO-KOMPSAT-2B) satellite, launched in February 2020, represents a pioneering milestone in air quality mon...

지리 2025-03-07 국내 원격탐사학회