Optimal rate control for video coding considering mode selection factors

Shengsheng Yu; Linhai Qiu; Jingli Zhou

doi:10.1117/12.337443

22 January 1999 Optimal rate control for video coding considering mode selection factors

Shengsheng Yu, Linhai Qiu, Jingli Zhou

Proceedings Volume 3528, Multimedia Systems and Applications; (1999) https://doi.org/10.1117/12.337443
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

Rate control is very important in video coding and transmission system. Traditional rate control algorithm is restrained with bandwidth and buffer size based on frames. Nowadays prevalent video coding standard such as ITU H.261, H.263, and ISO MPEG1, MPEG2, MPEG4 all are based on macroblocks. Several kinds of macroblocks coding mode also have been given in these international video-coding standards. Optimal rate-distortion function is not just restrained with bandwidth, bit rate and buffer size, different macroblocks mode choice will also influence rate distortion function. This paper presents a new algorithm based on traditional rate control method.Namely optimal rate control algorithm based on macroblocks. Its main contribution is that not only bandwidth, bit ate and buffer size ar to be considered, but also take in to account the influence of different macroblock mode choice. Some related experimental results have been given and compared with traditional rate control method. Results show that PSNR of the proposed algorithm is better than the traditional method in various rate conditions.

Citation Download Citation

Shengsheng Yu, Linhai Qiu, and Jingli Zhou "Optimal rate control for video coding considering mode selection factors", Proc. SPIE 3528, Multimedia Systems and Applications, (22 January 1999); https://doi.org/10.1117/12.337443

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KEYWORDS

Distortion

Video coding

Quantization

Video

Standards development

Image processing

Computer simulations

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