Title :
New rate-complexity-quantization modeling and efficient rate control for H.264/AVC
Author :
Zhou, Yimin ; Sun, Yu ; Feng, Zhidan ; Shixin Sun
Author_Institution :
Coll. of Comput. Sci. & Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu
fDate :
June 23 2008-April 26 2008
Abstract :
In this paper, we propose a novel rate control scheme for H.264/AVC standard, including a new coding complexity measure for intra-frames, a new rate-complexity-quantization (R-C-Q) model, an accurate quantization parameter (QP) estimation for intra-frames, an incremental-control-based QP calculation for inter-frames, and a bit-allocation-balancing technique. Our experimental results demonstrate that, the proposed scheme outperforms the JVT-G012 solution by providing more accurate QP prediction, reducing frame skipping, depressing quality fluctuations, and finally, improving coding quality.
Keywords :
code standards; parameter estimation; quantisation (signal); resource allocation; video coding; H.264-AVC standard; JVT-G012 solution; bit-allocation-balancing technique; coding complexity measure; coding quality; frame skipping; incremental-control-based QP calculation; quality fluctuations; quantization parameter estimation; rate control; rate-complexity-quantization modeling; Automatic voltage control; Bit rate; Centralized control; Computer science; Encoding; Fluctuations; Histograms; PSNR; Quadratic programming; Video compression; H.264/AVC; Rate Control;
Conference_Titel :
Multimedia and Expo, 2008 IEEE International Conference on
Conference_Location :
Hannover
Print_ISBN :
978-1-4244-2570-9
Electronic_ISBN :
978-1-4244-2571-6
DOI :
10.1109/ICME.2008.4607535