基于感知阈值的立体视频快速编码算法  

Fast Stereo Video Coding Algorithm Based on Perception Threshold

作　　者：杜宝祯[1] Du Baozhen(Electronic Information Engineering College,Ningbo Polytechnic,Ningbo Zhejiang 315800,China)

机构地区：[1]宁波职业技术学院电子信息工程学院,浙江宁波315800

出　　处：《信息与电脑》2020年第11期45-48,共4页Information & Computer

基　　金：浙江省教育厅一般科研项目(项目编号:Y201636754)。

摘　　要：针对3D-HEVC编码过程中最优预测模式决策过程复杂度过高的问题,笔者提出了基于感知阈值的立体视频快速编码算法。基于人眼视觉感知特性,首先分析了当前编码单元的感知阈值,再通过统计分析建立了感知失真阈值与最优预测模式之间的映射关系,从而得到基于各感知阈值区间的预测模式集合,用于指导编码。实验结果表明,所提出的算法能够平均节约52.1%~57.3%的编码时间,且率失真性能良好。In order to solve the problem that the decision-making process of the optimal prediction mode is too complex in the process of 3D-HEVC coding,a stereo video fast coding algorithm based on the perception threshold is proposed in this paper.Based on the visual perception characteristics of human eyes,this paper firstly analyzes the perception threshold of the current coding unit,and then establishes the mapping relationship between the perception distortion threshold and the optimal prediction mode through statistical analysis,so as to obtain the set of prediction modes based on each perception threshold interval for guiding coding.Experimental results show that the proposed algorithm can save 52.1%~57.3%coding time on average and has good bitrate distortion performance.

关 键 词：视频编码 感知阈值 预测模式选择 

分 类 号：TN919.81[电子电信—通信与信息系统]