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http://dx.doi.org/10.5302/J.ICROS.2004.10.7.611

Estimation of Rotational Center and Angle for Image Stabilization  

Seok, Ho-Dong (충남대학교 전자공학과)
Yoo, Jun (충남대학교 전자공학과)
Kim, Do-Jong (국방과학연구소)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.10, no.7, 2004 , pp. 611-617 More about this Journal
Abstract
This paper presents a simple method of rotational motion estimation and correction for roll axis stabilization of an image. The scheme first computes the rotation center by taking least squares of selected local velocity vectors, and the rotational angle is found from special subset of motion vectors. Roll motion correction is then performed by the nearest neighbor interpolation technique. To show the effectiveness of our approach, the synthetic and real images are evaluated, resulting in better performance than the previous ones.
Keywords
image stabilization; motion estimation; block matching algorithm; peak signal to noise ratio;
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