A novel rate control algorithm for video coding based on fuzzy-PID controller

被引：11
|
作者：
Hou, Yonghong [1 ]
Wang, Pichao [1 ]
Xiang, Wei [2 ]
Gao, Zhimin [1 ]
Hou, Chunping [1 ]
机构：
[1] Tianjin Univ, Sch Elect & Informat Engn, Tianjin 300072, Peoples R China
[2] Univ So Queensland, Fac Engn & Surveying, Toowoomba, Qld 4350, Australia
来源：
SIGNAL IMAGE AND VIDEO PROCESSING | 2015年 / 9卷 / 04期
关键词：
Rate control; Self-tuning Fuzzy-PID controller; Quality controller;
D O I：
10.1007/s11760-013-0518-2
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：
Rate control algorithms (RCAs) aim to achieve the best visual quality under the minimum bit rate and the limited buffer size. A self-parameter-tuning fuzzy-PID controller is proposed to reduce the deviation between the target buffer level and the current buffer fullness. Fuzzy logic is used to tune each parameter of the proportional-integral-derivative controller by selecting appropriate fuzzy rules through simulation in H.264/advanced video coding (AVC). To control the quality fluctuation between consecutive frames, a quality controller is adopted. The proposed RCA has been implemented in an H.264/AVC video codec, and our experimental results show that the proposed algorithm achieves smooth target bits while enabling better buffer control and visual quality.
引用
收藏
页码：875 / 884
页数：10
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