Title :
A novel rate control for H.264
Author :
Xu, Jianfeng ; He, Yun
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
Abstract :
An efficient rate control strategy for H.264 is proposed in this paper, which results an accurate bit stream required for each frame. A solution of the chicken and egg dilemma between rate control and R-D optimization (RDO) in H.264 is given, and hence different bits to different modes are allocated so that the bad situation for the quadratic R-D model is deviated. Simulation results show that the fluctuation of bits and PSNR of each frame in our algorithm is smaller that JVT-G012 while it super performs the method of JVT-G012 in the target bit rate matching. Unlike JVT-F086, RDO only performs once for each macroblock (MB). Therefore, the complexity is similar to JVT-G012.
Keywords :
optimisation; rate distortion theory; telecommunication control; telecommunication standards; video coding; H.264; JVT-G012; PSNR; R-D optimization; bit rate matching; bit stream; bits fluctuation; quadratic R-D model; rate control; Bit rate; Communication system control; Digital communication; Fluctuations; Helium; PSNR; Quadratic programming; Software standards; Video coding; Virtual manufacturing;
Conference_Titel :
Circuits and Systems, 2004. ISCAS '04. Proceedings of the 2004 International Symposium on
Print_ISBN :
0-7803-8251-X
DOI :
10.1109/ISCAS.2004.1328870
