An Efficient Two-Pass VBR Encoding Algorithm for H.264

摘要：

In this paper, an efficient two-pass variable-bit-rate (VBR) algorithm is proposed for H.264/AVC video encoding.In the first pass, CBR coding is employed to gather the encoding statistics of the input sequences. On the basis of the obtained statistics information, such as encoding complexity, PSNR, macroblock distributions of each coding type and etc, an offline processing is applied on these data to detect scene cuts, accurately allocate target bits and determine each frames quantization parameter based on rate-distortion model, then the second pass coding is performed. Simulation results show that the proposed algorithm can not only provide consistent visual quality perceptually, but also satisfy a long-term constant average bit rate constraint.

作者: Chengsheng Que Guobin Chen Jilin Liu

作者单位: Information Science & Electronic Engineering Zhejiang University Hangzhou, Zhejiang, China, 310027

会议类型: 国际会议

会议名称: 2006 International Conference on Communications,Circuits and Systems(第四届国际通信、电路与系统学术会议)

会议地点: 广西桂林

会议语种:英文

页码: 118-122

在线出版日期: 2006-06-25（万方平台首次上网日期，不代表论文的发表时间）