吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (01): 212-217.

• 论文 • 上一篇    下一篇

基于失真度估计的无参考视频质量评价

林翔宇1,2, 田翔1,2, 陈耀武1,2   

  1. 1. 浙江大学 数字技术及仪器研究所, 杭州 310027;
    2. 浙江省网络多媒体技术研究重点实验室, 杭州 310027
  • 收稿日期:2011-11-18 出版日期:2013-01-01 发布日期:2013-01-01
  • 通讯作者: 陈耀武(1963-),男,教授,博士生导师.研究方向:嵌入式系统,智能信息处理.E-mail:cyw@mail.bme.zju.edu.cn E-mail:cyw@mail.bme.zju.edu.cn
  • 作者简介:林翔宇(1983-),男,博士研究生.研究方向:视频编解码及质量评价.E-mail:linxiangyu@zju.edu.cn
  • 基金资助:

    国家自然科学基金项目(40927001);国家科技支撑计划项目(2009BAF39B03);中央高校基本科研业务费专项项目.

No-reference video quality assessment based on distortion estimation

LIN Xiang-yu1,2, TIAN Xiang1,2, CHEN Yao-wu1,2   

  1. 1. Institute of Advanced Digital Technology and Instrumentation, Zhejiang University, Hangzhou 310027, China;
    2. Zhejiang Provincial Key Laboratory for Network Multimedia Technologies, Hangzhou 310027, China
  • Received:2011-11-18 Online:2013-01-01 Published:2013-01-01

摘要: 为了提高视频质量评价的精确度和通用性,提出了一种基于失真度估计的无参考视频质量评价方法。首先,利用邻近像素点之间灰度差值的数理统计特性计算局部失真度,通过对视频进行高斯滤波后的细节损失进行计算得到全局失真度,再结合这两者估计视频整体的失真度;然后,通过帧内预测和帧间预测计算视频复杂度;最后,利用视频失真度和复杂度得到视频客观质量。实验结果表明,用本文方法可以获得很好的精确度,该方法具有广泛的通用性。

关键词: 通信技术, 失真度, 视频复杂度, 无参考视频质量评价

Abstract: In order to increase the prediction accuracy and generality of video quality assessment, a no-reference video quality assessment method based on distortion estimation is proposed. In this method, first, the local distortion is calculated using the statistical characteristics of the difference between contiguous pixels and the global distortion is calculated by measuring the detail loss of the video after Gaussian Filtering; then, the video distortion is estimated by the combination of the local and global distortions. Second, the video complexity is calculated through intra and inter frame prediction. Finally, the objective video quality is obtained utilizing both the video distortion and complexity. Experiment results show that using the proposed method can achieve better accuracy and generality compared with other methods.

Key words: communication, distortion, video complexity, no-reference video quality assessment

中图分类号: 

  • TN919.8
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