Binomial Bit-Rate Computation Model Based on Wireless Channel

Wei Ming Yang; Jian Zhang; Jin Xiang Peng

doi:10.4028/www.scientific.net/AMM.241-244.2482

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 241-244Binomial Bit-Rate Computation Model Based on...

Binomial Bit-Rate Computation Model Based on Wireless Channel

Abstract:

For the encoding bit-rate problem in H.264 wireless video communication, the bit-rate computation model and the standard deviation distortion model were analyzed to establish the relation between the quantization parameter of encoding bit-rate and the intra-frame refresh rate of macroblocks, a new proposal of the coding rate thus put forward based on the general binomial computation model theory. Furthermore, this method not only can adaptively adjust the bit allocation and quantization parameters to prevent buffer from overflowing downward or upward under given network bandwidth, but also can apply the rate-distortion to perfect the solution method, control the encoding bits accurately and optimize the allocation between the inter-frame encoding macroblocks.

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Periodical:

Applied Mechanics and Materials (Volumes 241-244)

Pages:

2482-2486

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.241-244.2482

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Online since:

December 2012

Authors:

Wei Ming Yang, Jian Zhang, Jin Xiang Peng

Keywords:

Bit-Rate, Fictitious Buffer, Rate-Distortion Function, Refresh Rate, Source Coding

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References

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