KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
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A Study on RFM Based Stereo Radargrammetry Using TerraSAR-X Datasets

스테레오 TerraSAR-X 자료를 이용한 RFM 기반 Radargrammetry에 관한 연구

  • 방수남 (국방과학연구소 3연구개발본부 1부) ;
  • 고진우 (국방과학연구소 3연구개발본부 1부) ;
  • 윤공현 ((주)픽소니어 기술연구소) ;
  • 곽준혁 ((주)픽소니어 기술연구소)
  • Received : 2011.11.07
  • Accepted : 2011.12.06
  • Published : 2012.02.29
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Abstract

The RFM (Rational Function Model), as an alternative to physical sensor models has been widely used for photogrammetric processing of high resolution optical satellite imagery. However, the application of RF modeling to the SAR (Synthetic Aperture Radar) is very limited. In this paper, stereo radargrammetric processing of TerraSAR-X stereo pairs with RFM is implemented and analyzed. The investigation has shown that the accuracy of TerraSAR-X DSM is similar to that of the commercial S/W product. Finally, it is demonstrated that RFM is effective and feasible in the application to the radargrammetric SAR image processing.

범용센서모델의 한 종류인 비례다항식 모델(RFM: Rational Function Model)은 광학영상의 센서모델링분야에서 활발히 활용되고 있으나 SAR영상에 대한 적용은 미진한 실정이다. 본 연구에서는 스테레오 TerraSAR-X영상을 대상으로 RF 모델링을 적용하여 적용방법의 타당성과 효율성에 대해 분석하였다. 또한 본 연구성과의 DSM(Digital Surface Model)과 기존 상용 소프트웨어에서 생성된 DSM을 다양한 측면에서 비교 분석하였다. 그 결과 RF 모델링 기법이 SAR영상의 적용 시에도 매우 효과적이며 실용적으로 적용 가능함을 알 수 있었다.

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References

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