A novel rate-control scheme for H.264 video coding using adaptive quantization parameter

Namrye Son; Yoonjeong Shin; Gueesang Lee

doi:10.1117/12.568770

25 October 2004 A novel rate-control scheme for H.264 video coding using adaptive quantization parameter

Namrye Son, Yoonjeong Shin, Gueesang Lee

Proceedings Volume 5600, Multimedia Systems and Applications VII; (2004) https://doi.org/10.1117/12.568770
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

Rate control is an important technique in Constant Bit Rate(CBR) coding. AVC standards contains several inter and intra prediction modes. The current AVC software is difficult to adopt the existing rate control techniques, because the Rate Distortion Optimization (RDO) based on prerequisite quantization parameters determines the optimal prediction of each macroblock. This paper proposes an efficient rate control algorithm at macroblock level for AVC standard by considering adaptive quantization parameter. Experimental results show that the proposed rate control algorithm can accurately achieve the target bit rate. Although the PSNR of object quality of video sequences is degraded a little degraded, but the coding efficiency is similar to or better than of the fixed quantization parameter video coding.

Citation Download Citation

Namrye Son, Yoonjeong Shin, and Gueesang Lee "A novel rate-control scheme for H.264 video coding using adaptive quantization parameter", Proc. SPIE 5600, Multimedia Systems and Applications VII, (25 October 2004); https://doi.org/10.1117/12.568770

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