A Rate-Distortion Estimation Method for Fast Mode Decision in H.264 


Vol. 33,  No. 1, pp. 34-44, Jan.  2008


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  Abstract

In this paper, a new rate-distortion estimation method is proposed for fast rate-distortion optimized(RDO) mode decision in H.264 encoder. A bit-rate and distortion should be calculated by encoding and reconstruction of each macroblock mode in order to select the optimal RDO mode. To reduce the computations for getting them, a bit-rate and distortion is efficiently estimated in DCT domain. Simulation results show that the proposed method achieves computational saving about 81% of RDO mode decision and saves about 26% of total encoding time without noticeable degradation in coding performance.

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  Cite this article

[IEEE Style]

J. Moon and J. Kim, "A Rate-Distortion Estimation Method for Fast Mode Decision in H.264," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 1, pp. 34-44, 2008. DOI: .

[ACM Style]

Jeong-mee Moon and Jae-ho Kim. 2008. A Rate-Distortion Estimation Method for Fast Mode Decision in H.264. The Journal of Korean Institute of Communications and Information Sciences, 33, 1, (2008), 34-44. DOI: .

[KICS Style]

Jeong-mee Moon and Jae-ho Kim, "A Rate-Distortion Estimation Method for Fast Mode Decision in H.264," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 1, pp. 34-44, 1. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880