Journal of the Institute of Electronics Engineers of Korea SP (대한전자공학회논문지SP)

The Institute of Electronics and Information Engineers (대한전자공학회)
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A Study on an Image Stabilization in Moving Vehicle

이동 차량에서 영상 안정화에 관한 연구

  • Tak, Soo-Yong (Dept. of Information Telecommunication Engineer ing, University of Incheon) ;
  • Ban, Jae-Min (Dept. of Information Telecommunication Engineer ing, University of Incheon) ;
  • Lew, Sheen (Dept. of Information Telecommunication Engineer ing, University of Incheon) ;
  • Lee, Wan-Joo (Dept. of Computer Science, Yong In University) ;
  • Lee, Byeong-Rae (Dept. of Computer Science, Korea National Open University) ;
  • Kang, Hyun-Chul (Dept. of Information Telecommunication Engineer ing, University of Incheon)
  • 탁수용 (인천대학교 정보통신공학과) ;
  • 반재민 (인천대학교 정보통신공학과) ;
  • 유신 (인천대학교 정보통신공학과) ;
  • 이완주 (용인대학교 컴퓨터과학과) ;
  • 이병래 (한국방송통신대학교 컴퓨터과학과) ;
  • 강현철 (인천대학교 정보통신공학과)
  • Received : 2011.11.07
  • Accepted : 2012.05.15
  • Published : 2012.07.25
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Abstract

In the image captured by the camera in a moving vehicle, there exist various motions due to the change of background, motion of objects in the image that make difficult to extract a pure vibrational motion by the camera. In this paper, we suggest an image stabilization with the elimination of various motion components based on the classification of motions in the image by their characteristics. After the elimination of various local motions, images are compensated and stabilized with the global motion caused by the camera. Also, we suggest an accurate and fast image stabilization by excluding regions of little information based on block differences and edge densities.

이동 차량에 부착된 카메라로부터 획득한 영상에는 배경의 움직임, 영상내의 객체들의 움직임 등 여러 가지 움직임이 복합적으로 존재하여 카메라의 순수한 진동에 의한 움직임을 검출하기가 어렵다. 본 논문에서는 이러한 영상내의 움직임을 특성별로 분류하여 종류별로 움직임을 제거한 후, 카메라의 진동으로 인한 영상의 순수한 떨림을 추정하고 이를 보상하는 영상 안정화를 제시한다. 또한, 블록 화소 값의 차이와 윤곽선 밀도를 이용하여 정보가 적은 영역을 배제함으로써 빠르고, 정확한 영상 안정화 기법을 실현하였다.

Keywords

References

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