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http://dx.doi.org/10.5909/JBE.2008.13.6.804

Adaptive Rate Control in Frame-level for Real-time H.264/AVC  

Kim, Myoung-Jin (School of Electronic Engineering, Soongsil University)
Kim, Kyoung-Hwan (School of Electronic Engineering, Soongsil University)
Hong, Min-Cheol (School of Electronic Engineering, Soongsil University)
Publication Information
Journal of Broadcast Engineering / v.13, no.6, 2008 , pp. 804-816 More about this Journal
Abstract
In this paper, we propose an adaptive rate control in frame-level for real-time H.264/AVC. For given QP, bits according to video characteristics, and current frame is close correlation between the adjacent frames. Using the statistical characteristic, we obtain change of occurrence bit about QP to apply the bit amount by QP from the video characteristic and applied in the estimated bit amount of the current frame. In addition, we use weight with QP and occurrence bit amount that is statistical information of encoded previous frames. Simulation results show that the proposed rate control scheme achieves time saving of more than 99% over JM 12.1 rate control algorithm. Nevertheless, PSNR and bit rate were almost same as the performances of JM.
Keywords
H.264/AVC; QP;
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