An Efficient Fractional-Pixel Motion Compensation Based on Cubic Convolution Interpolation
Journal of Electrical and Electronic Engineering
Volume 2, Issue 3, June 2014, Pages: 47-54
Received: Aug. 31, 2014; Accepted: Sep. 13, 2014; Published: Sep. 20, 2014
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Authors
Lung-Jen Wang, Dept. of Computer Science and Information Engineering, National Pingtung University, Pingtung, Taiwan, R. O. C.
Chia-Tzu Shu, Dept. of Computer Science and Information Engineering, National Pingtung University, Pingtung, Taiwan, R. O. C.
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Abstract
The fractional-pixel motion compensation is used in the H.264/AVC algorithm, in order to improve the coding efficiency of fractional-pixel displacement, an efficient cubic convolution interpolation (CCI) with four coefficients is proposed. In this paper, the detailed derivation of the CCI filter and using CCI with fractional-pixel displacement are presented. It is shown by computer simulation that the presented method substantially reduces the computation complexity and also increases the precision of the motion compensation.
Keywords
H.264/AVC, Motion Compensation, Fractional-Pixel Displacement, Cubic Convolution Interpolation
To cite this article
Lung-Jen Wang, Chia-Tzu Shu, An Efficient Fractional-Pixel Motion Compensation Based on Cubic Convolution Interpolation, Journal of Electrical and Electronic Engineering. Vol. 2, No. 3, 2014, pp. 47-54. doi: 10.11648/j.jeee.20140203.11
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