Title :
On enhancing H.264 rate control by PSNR-based frame complexity estimation
Author :
Jiang, Minqiang ; Yi, Xiaoquan ; Ling, Nam
Author_Institution :
Dept. of Comput. Eng., Santa Clara Univ., CA, USA
Abstract :
This work presents an enhancement to the frame layer buffer status-based H.264 rate control method. The enhancement is by using a PSNR-based frame complexity estimation to improve the existing mean absolute difference based (MAD-based) complexity measure. Bit allocation to each frame is not just computed by encoder buffer status but also adjusted by a combined frame complexity measure. Simulation results show that the H.264 encoder, using the proposed algorithm, can achieve better visual performance than that of the existing H.264 JVT rate control method (JVT_G012).
Keywords :
video coding; H.264 encoder; H.264 rate control enhancement; MAD-based complexity measure; PSNR-based frame complexity estimation; combined frame complexity measure; encoder buffer status; frame layer buffer status-based rate control; mean absolute difference based complexity measure; rate control bit allocation; video coding efficiency; visual quality; Automatic voltage control; Bit rate; Computational modeling; Current measurement; Layout; MPEG 4 Standard; PSNR; Rate-distortion; Standards development; Video coding;
Conference_Titel :
Consumer Electronics, 2005. ICCE. 2005 Digest of Technical Papers. International Conference on
Print_ISBN :
0-7803-8838-0
DOI :
10.1109/ICCE.2005.1429802
