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Automatic Estimation of Geometric Translations Between High-resolution Optical and SAR Images
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고해상도 광학영상과 SAR 영상 간 자동 변위량 추정

논문 기본 정보

Type
Academic journal
Author
Han, You Kyung (서울대학교) Byun, Young Gi (한국항공우주연구원) Kim, Yong Il (서울대학교)
Journal
Korea Spatial Information Society Journal of Korean Society for Geospatial Information Science Vol.20 No.3 KCI Accredited Journals
Published
2012.9
Pages
41 - 48 (8page)

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Automatic Estimation of Geometric Translations Between High-resolution Optical and SAR Images
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Research history (2)

2017

Registration Noise Estimation for Fine Registration of Very High Resolution Optical Images
Han ,  Youkyung 한국측량학회 학술대회자료집 2017.04 Proceeding

2012

Automatic Estimation of Geometric Translations Between High-resolution Optical and SAR Images
Han ,  You Kyung ,  Byun Journal of Korean Society for Geospatial Information Science 2012.09 Academic journal
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Abstract· Keywords

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Using multi-sensor or multi-temporal high resolution satellite images together is essential for efficient applications in remote sensing area. The purpose of this paper is to estimate geometric difference of translations between high-resolution optical and SAR images automatically. The geometric and radiometric pre-processing steps were fulfilled to calculate the similarity between optical and SAR images by using Mutual Information method. The coarsest-level pyramid images of each sensor constructed by gaussian pyramid method were generated to estimate the initial translation difference of the x, y directions for calculation efficiency. The precise geometric difference of translations was able to be estimated by applying this method from coarsest-level pyramid image to original image in order. Yet even when considered only translation between optical and SAR images, the proposed method showed RMSE lower than 5m in all study sites.
#영상 간 자동 기하보정 #고해상도 다중센서자료 #상호정보기법 #최적화기법 #Image-to-image registration #High-resolution multi-sensor images #Mutual Information #Optimization method

Contents

要旨
Abstract
1. 서론
2. 연구 방법
3. 실험 결과 및 분석
4. 결론
참고문헌

References (1)

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변영기, 어영담, 유기윤. 분광 상호정보를 이용한 하이퍼스펙트럴 영상분류. 대한공간정보학회지. 2007 dbpia

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