Abstract:Based on the study of the relationship between the bit rate for video coding and the content complexity, this paper presents a new quadratic rate distortion model for video coding, which retains the constant term in Taylor series. Through introducing the content complexity term reasonably, this model provides an accurate description of the rate distortion characteristic of the practical source. The performance of the model is evaluated through analyzing large amount of experimental data. This model can be used in rate control schemes for video coding and other applications where rate distortion model is in demand, by which the rate distortion performance of video coding systems can be improved.
万帅; 常义林; 杨付正; 罗忠. 一种新的视频编码二次率失真模型及其性能分析[J]. 电子与信息学报, 2007, 29(5): 1136-1139 .
Wan Shuai; Chang Yi-lin; Yang Fu-zheng; Luo Zhong. A New Quadratic Rate Distortion Model for Video Coding and Its Performance Analysis. , 2007, 29(5): 1136-1139 .