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Title: Fast global motion estimation for sprite generation
Authors: Cheung, HK
Siu, WC 
Keywords: Global motion estimation
Video compression
Video coding
Issue Date: 2002
Publisher: IEEE
Source: 2002 IEEE International Symposium on Circuits and Systems : proceedings : May 26-29, 2002, Fairmont Scottsdale Princess, Phoenix-Scottsdale, Arizona, U.S.A., p. III1-III4 How to cite?
Abstract: In this paper, an efficient and fast global motion estimation method is proposed. This method is a generic one that can accommodate various global motion models, ranging from a simple translation model to an eight parameters perspective model. At the first stage, a simple filter is implemented to classify different parts of the frames. Since pixels from homogeneous regions and highly textured regions do not contribute much in global motion estimation, it is proposed that they be excluded from processing. The remained pixels are fed into a three-level hierarchical motion estimation system and a dynamic sprite is eventually generated. From the experimental results, we can conclude that the proposed global motion estimation system manages to speed up the processing time for sprite generation while maintaining quality in the reconstructed frames.
ISBN: 0-7803-7448-7
Rights: © 2002 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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