Journal of the Korean Society for Aeronautical & Space Sciences (한국항공우주학회지)

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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A Survey on Moving Target Indication Techniques for Small UAVs : Parametric Approach

소형 무인항공기용 이동표적 표시기법에 대한기술 동향 분석 : 매개변수방식

  • Yun, Seung Gyu (Department of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Kang, Seung Eun (Department of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Ko, Sang Ho (Department of Aerospace and Mechanical Engineering, Korea Aerospace University)
  • Received : 2013.10.08
  • Accepted : 2014.06.19
  • Published : 2014.07.01
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Abstract

In this paper, we survey the Moving Target Indication(MTI) techniques for small UAVs. MTI consists of image alignment phase and frame differencing correction phase, and image alignment has two ways of parametric approach which is mainly focused in this paper and non-parametric approach. Since small UAVs are operated in the low altitude, the parallax is considerable and the epipolar geometry is applied to compensate the parallax. The related works and future works are presented.

본 논문에서는 소형무인항공기용 이동표적 표시기법(MTI, Moving Target Indication)에 대한 기술 동향분석을 하였다. MTI는 크게 이미지 정렬과 차영상 오류보정 단계로 구성되는데 이중 이미지 정렬 기법에는 매개변수방식과 비매개변수방식이 있으며 본 논문에서는 매개변수방식을 사용한 이용한 MTI에 초점을 맞췄다. 소형무인항공기의 경우, 저고도 운용에 의한 시차문제가 발생하는데 이를 보정하기 위해서 등극기하학이 사용된다. MTI의 성능을 향상시키기 위한 관련기법들도 살펴보았으며 향후 발전방향을 제시하였다.

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