Comparing apples and oranges: Subjective quality assessment of streamed video with different types of distortion

Ulrich Reiter*, Jari Korhonen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingPublished conference contribution

19 Citations (Scopus)

Abstract

Video quality assessment is essential for the performance analysis of visual communication applications. Objective metrics can be used to estimate the relative quality differences, but they typically give reliable results only if the compared videos contain similar type of quality distortion. However, video compression typically produces different kinds of visual artifacts than transmission errors. In this paper, we propose a novel subjective quality assessment method that is suitable for comparing different types of quality distortions. The proposed method has been used to evaluate how well PSNR estimates the relative subjective quality levels for content with different types of quality distortions. Our conclusion is that PSNR is not a reliable metric for assessing the co-impact of compression artifacts and transmission errors on the subjective quality.

Original languageEnglish
Title of host publication2009 International Workshop on Quality of Multimedia Experience, QoMEx 2009
Pages127-132
Number of pages6
DOIs
Publication statusPublished - 2009
Event2009 International Workshop on Quality of Multimedia Experience, QoMEx 2009 - San Diego, CA, United States
Duration: 29 Jul 200931 Jul 2009

Conference

Conference2009 International Workshop on Quality of Multimedia Experience, QoMEx 2009
Country/TerritoryUnited States
CitySan Diego, CA
Period29/07/0931/07/09

Keywords

  • Subjective quality assessment
  • Video quality

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