No-reference video quality measurement: added value of machine learning

D.C. Mocanu, Jeevan Pokhrel, Juan Pablo Garella, Janne Seppänen, Eirini Liotou, Manish Narwaria

Research output: Contribution to journalArticleAcademicpeer-review

19 Citations (Scopus)
1497 Downloads (Pure)

Abstract

Video quality measurement is an important component in the end-to-end video delivery chain. Video quality is, however, subjective and thus there will always be inter-observer differences in the subjective opinion about the visual quality of the same video. Despite this, most existing works on objective quality measurement typically focus only on predicting a single score, and evaluate their prediction accuracies based on how close it is to the mean opinion scores (or similar average based ratings). Clearly, such an approach ignores the underlying diversities in the subjective scoring process, and as a result, does not allow further analysis on how reliable the objective prediction is in terms of subjective variability. Consequently, the aim of this paper is to analyze this issue and present a machine learning based solution to address it. We demonstrate the utility of our ideas by considering the practical scenario of video broadcast transmissions with focus on Digital Terrestrial Television (DTT), and proposing a no-reference objective video quality estimator for such application. We conducted meaningful verification studies on different video content (including video clips recorded from real DTT Broadcast transmissions) in order to verify the performance of the proposed solution.
Original languageEnglish
Article number061208
JournalJournal of Electronic Imaging
Volume24
Issue number6
DOIs
Publication statusPublished - 29 Dec 2015

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