A Novel Header Bits Estimation Scheme for H.264/AVC Standard

Shu Qian He; Zheng Jie Deng; Chun Shi

doi:10.4028/www.scientific.net/AMM.333-335.787

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 333-335A Novel Header Bits Estimation Scheme for...

A Novel Header Bits Estimation Scheme for H.264/AVC Standard

Abstract:

Rate estimation is useful for many H.264/AVC applications including rate-distortion optimization (RDO) for fast mode decision and precise rate control. In this paper, we propose a new header rate prediction model and an adaptive algorithm to provide more accurate estimation of the number of total coding bits for rate control compared to previously proposed methods. The header bit rate estimation is modeled by a linear combination of the number of mode block, and the sum of absolute values of all motion vectors for each block. Based on the proposed model, a header rate estimation function is also proposed to give a more accurate rate-distortion rate control. The proposed schemes can achieve better results in rate-distortion and rate control to previously proposed approaches.

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Periodical:

Applied Mechanics and Materials (Volumes 333-335)

Pages:

787-790

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.333-335.787

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Online since:

July 2013

Authors:

Shu Qian He, Zheng Jie Deng, Chun Shi

Keywords:

H.264/AVC, Header Bit, Motion Vector, Rate Control, Rate-Distortion Optimization

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References

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