Adaptive Current Buffer Fullness Ratio-Based Intra-Frame Rate Control for H.264/AVC

被引：0
|
作者：
Zhao, Dandan [1 ]
Zhou, Yujie [1 ]
Wang, Dayong [1 ]
Mao, Junfa [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Shanghai 200030, Peoples R China
来源：
2009 ASIA PACIFIC CONFERENCE ON POSTGRADUATE RESEARCH IN MICROELECTRONICS AND ELECTRONICS (PRIMEASIA 2009) | 2009年
关键词：
H.264/AVC; intra-frame; rate control;
D O I：
10.1109/PRIMEASIA.2009.5397386
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Intra-frame plays a significant role in controlling video quality for H.264/AVC rate control. In this paper, we present an adaptive current buffer fullness ratio-based intra-frame rate control for H.264/AVC. The proposed algorithm adaptively adjusts the quantization step (QP) of the intra-frame by taking current buffer fullness ratio and scene change into consideration. Experimental results show that compared with JM11.0, the proposed algorithm increases average PSNR up to 2.59 dB and significantly reduces PSNR deviation and frame skipping. It improves objective and subjective reconstructed video qualities.
引用
收藏
页码：306 / 308
页数：3
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