面向立体视频的视差-运动同步联立预测算法  

A Simultaneous Motion and Disparity Estimation for Stereoscopic Video Coding

作　　者：邓智玭[1] 贾克斌[1] 陈锐霖[2] 伏长虹[2] 萧允治[2] 

机构地区：[1]北京工业大学电子信息与控制工程学院,北京100124 [2]香港理工大学电子资讯工程系

出　　处：《计算机辅助设计与图形学学报》2010年第10期1709-1714,共6页Journal of Computer-Aided Design & Computer Graphics

基　　金：国家自然科学基金(30970780)

摘　　要：针对立体视频序列的时间空间冗余和交叉冗余,提出一种快速编码算法.应用立体-运动约束模型在视差域和运动域进行联合迭代搜索,根据每次迭代后的模型误差设置自适应修正窗口来保证预测矢量精度,视差矢量和运动矢量可以快速同步获得.实验结果表明,该算法在保证高率失真性能的同时,可以大幅度降低编码复杂度.For the purpose of exploiting the intra-view and inter-view dependencies of stereo video,a fast motion and disparity estimation is proposed in this paper.The key idea is to perform iterative search in both the motion and disparity fields based on the stereo-motion consistency constraint model,and adaptively refine the window size according to the model errors after each iteration to ensure the vector accuracy.In this way,both the motion and disparity vectors can be obtained quickly.The experimental results demonstrate that the proposed algorithm can reduce coding time dramatically at the cost of a negligible quality decreasing.

关 键 词：立体视频编码 3D视频 视差估计 运动估计 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]