DCT-Based Subpixel-Accuracy Motion Estimation Utilizing Shifting Matrix 


Vol. 40,  No. 2, pp. 372-379, Feb.  2015


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  Abstract

The latest video compression standard (such as H.264/AVC and HEVC) utilizes quarter-pel accuracy motion estimation in order to retain detailed motion information. Many sub-pixel motion estimation algorithms used in the spatial domain usually encounters increment of computational complexity due to embedded interpolation algorithm. In this paper, an approach to measure sub-pixel accuracy motion estimation in frequency domain using shifting matrix is proposed. Complexity can be reduced utilizing shifting matrix algorithm in frequency domain and simulation results demonstrate not only higher PSNR but lower bit rates than spatial domain algorithms.

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  Cite this article

[IEEE Style]

J. Shin and C. Ryu, "DCT-Based Subpixel-Accuracy Motion Estimation Utilizing Shifting Matrix," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 2, pp. 372-379, 2015. DOI: .

[ACM Style]

Jae-young Shin and Chul Ryu. 2015. DCT-Based Subpixel-Accuracy Motion Estimation Utilizing Shifting Matrix. The Journal of Korean Institute of Communications and Information Sciences, 40, 2, (2015), 372-379. DOI: .

[KICS Style]

Jae-young Shin and Chul Ryu, "DCT-Based Subpixel-Accuracy Motion Estimation Utilizing Shifting Matrix," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 2, pp. 372-379, 2. 2015.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880