基于相关分析的多视点视频编码速率控制算法

T. Yan, P. An, Liquan Shen, Qian Zhang, Zhaoyang Zhang
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引用次数: 22

摘要

基于率失真理论的最佳比特分配研究[15],但该算法过于复杂,难以实际实现。此外,该算法仅针对双目视频传输,难以解决多视点视频编码中的比特分配和码率控制问题。有必要研究有效的、相关的位分配和RC算法。本文首先对RDmodel进行改进,以更好地预测比特率。然后根据MVC的特点和RC的要求,提出了一种面向多视图视频的帧级RC算法。实验结果表明,与采用固定量化参数(QP)的多视点视频编码相比,我们提出的面向多视点视频的比特分配和参数预定义的RC算法能更有效地控制码率。2费率控制结构
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Rate Control Algorithm for Multi-View Video Coding Based on Correlation Analysis
on the research of optimum bit allocation with rate-distortion theory[15], however the algorithm is too complicated to be implemented actually. Besides, the algorithm just aims at the binocular video transmission, so that it is difficult for it to solve the bit allocation and rate control in multi-view video coding. It is necessary to study the efficient and relevant algorithm of bit allocation and RC. In this paper, we improve the RDmodel to better predict the bit rate firstly. Then we propose a multi-view video oriented frame level RC algorithm which is based on the character of MVC and requirement of RC. Experimental results show that compared with the Multi-view video coding using fixed quantization parameter (QP), our multi-view video oriented bit allocation and RC algorithm in which the parameters are predefined can control the bit rate more efficiently. II. STRUCTURE OF RATE CONTROL
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