Fast mode decision for scalable video coding utilizing spatial and interlayer correlation

Liquan Shen; Zhi Liu; Ping An; Ran Ma; Zhaoyang Zhang

doi:10.1117/1.3478882

1 July 2010 Fast mode decision for scalable video coding utilizing spatial and interlayer correlation

Liquan Shen, Zhi Liu, Ping An, Ran Ma, Zhaoyang Zhang

Author Affiliations +

Journal of Electronic Imaging, Vol. 19, Issue 3, 033010 (July 2010). https://doi.org/10.1117/1.3478882

Abstract

In the emerging international standard for scalable video coding (SVC) as an extension of H.264/AVC, a computationally expensive exhaustive mode decision is employed to select the best prediction mode for each macroblock (MB). Although this technique achieves the highest possible coding efficiency, it results in extremely large computation complexity, which obstructs SVC from the practical application. We propose a fast mode decision algorithm for SVC, comprising two fast mode decision techniques: early SKIP mode decision and adaptive early termination for mode decision. They make use of the coding information of spatial neighboring MBs in the same frame and neighboring MBs from base layer to early terminate the mode decision procedure. Experimental results show that the proposed fast mode decision algorithm can achieve the average computational savings of about 70% with almost no loss of rate distortion performance in the enhancement layer.

©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Liquan Shen, Zhi Liu, Ping An, Ran Ma, and Zhaoyang Zhang "Fast mode decision for scalable video coding utilizing spatial and interlayer correlation," Journal of Electronic Imaging 19(3), 033010 (1 July 2010). https://doi.org/10.1117/1.3478882

Published: 1 July 2010

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