高清立体视频的传输失真估计模型

计算机应用 ›› 2014, Vol. 34 ›› Issue (12): 3409-3413.

高清立体视频的传输失真估计模型

陈美子,王晓东,李少博,章联军

宁波大学信息科学与工程学院, 浙江宁波 315211

收稿日期:2014-07-15 修回日期:2014-08-15 出版日期:2014-12-01 发布日期:2014-12-31
通讯作者: 陈美子
作者简介:陈美子(1990-),女,河南项城人,硕士研究生,主要研究方向:信号处理、网络通信; 王晓东(1970-),男,浙江绍兴人,副教授,主要研究方向:网络通信、多媒体信号处理; 李少博(1990-),男,河南周口人,硕士研究生,主要研究方向:信号处理;章联军(1980-),男,浙江兰溪人,实验师,主要研究方向:信号处理、网络通信。
基金资助:
国家科技支撑计划项目;国家自然科学基金资助项目;浙江省教育厅科研计划项目;宁波市科技创新团队研究计划项目;省科技厅/创新团队自主设计项目;国家自然科学基金资助项目

Distortion estimated model for high definition stereoscopic video transmission

CHEN Meizi,WANG Xiaodong,LI Shaobo,ZHANG Lianjun

Faculty of Information Science and Engineering, Ningbo University, Ningbo Zhejiang 315211, China

Received:2014-07-15 Revised:2014-08-15 Online:2014-12-01 Published:2014-12-31
Contact: CHEN Meizi

摘要/Abstract

摘要：

针对高清立体视频序列分辨率大、宏块信息量少以及网络传输易出现差错的特点,提出一种能够估计高清立体视频端到端传输的失真模型。该模型能够考虑到丢包对后续帧的错误扩散以及立体视频左右视点帧之间的时空相关性,采用递归算法准确地估计失真,并运用时域帧拷贝的错误隐藏方法降低解码端的复杂度。仿真结果表明,失真模型的平均预测误差能控制在6%以内,对于不同特性和分辨率的立体视频序列,在不同网络环境下传输失真估计均有一定的适用性。

Abstract:

In view of the problem that high definition stereoscopic video sequences have high resolution, less information of macro block, and network transmission error, an end-to-end transmission distortion model was proposed. Considering error diffusion between frames caused by packet loss and the characteristics of spatial and temporal correlation, the recursive algorithm could estimate distortion accurately. And the error concealment method of copying the previous one of the lost frame was mainly used in the model, reducing the dependencies of the decoder. The simulation results show that the average prediction error of the distortion model can be controlled within 6%, and this model can be adapted to estimate transmission distortion for stereo video sequences with different features and resolutions under different network environments.

中图分类号:

陈美子王晓东李少博章联军. 高清立体视频的传输失真估计模型[J]. 计算机应用, 2014, 34(12): 3409-3413.

CHEN Meizi WANG Xiaodong LI Shaobo ZHANG Lianjun. Distortion estimated model for high definition stereoscopic video transmission[J]. Journal of Computer Applications, 2014, 34(12): 3409-3413.

参考文献

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