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Title

ANTI-SHAKE SYSTEM FOR DIGITAL DYNAMIC IMAGES

Writers

CHANG S.J. | CAI W.H.

Pages

 Start Page 2134 | End Page 2141

Abstract

 This paper presents an ANTI-SHAKE system to improve the quality of digital DYNAMIC IMAGE sequences. The achievement of this study is to develop a digital DYNAMIC IMAGE STABILIZATION system using basic image processes and a signal-smoothing algorithm. The DYNAMIC IMAGE STABILIZATION method includes three steps: motion vector detection, motion vector smoothing, and image sequence reconstruction. The first step is to estimate the motion vector of DYNAMIC IMAGE sequences using the three-step method. The second step is to separate involuntary motion vectors from motion vectors by the Fourier linear combiner algorithm. The last step is to compensate the unstable DYNAMIC IMAGE sequences according to the involuntary motion vector and to build stable DYNAMIC IMAGE sequence. The performance of the smoothing algorithm is also discussed in this paper. The Smooth Index (SI) is used to evaluate the performance of the ANTI-SHAKE system presented in this paper. From the results of the experiments under some different conditions, the SI of the digital DYNAMIC IMAGE sequences can reach 2.224 through the ANTI-SHAKE system presented in this paper.

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