Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Euler Angle-Based Global Motion Estimation Model for Digital Image Stabilization

디지털 영상 안정화를 위한 오일러각 기반 전역 움직임 추정 모델

  • 곽휘권 (충남대학교 전자공학과) ;
  • 유준 (충남대학교 전자공학과)
  • Received : 2010.07.05
  • Accepted : 2010.09.01
  • Published : 2010.11.01
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Abstract

This paper treats the DIS (Digital Image Stabilization) problem subject to base motions such as translation, rotation and zoom. For the local motion estimation from a raw image, the Harris corner detection algorithm is exploited to extract feature points, and comparing those of consecutive images, the zoom ratio (scale factor) is computed. For the global motion estimation, an equivalent model is derived to account for a 3-dimensional composite motion from which the center point and Euler angle can be determined. Finally, the motion compensation follows. To show the effectiveness of the present DIS scheme, experimental results for synthetic images are illustrated.

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References

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