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Erschienen in: Multimedia Systems 2/2022

26.10.2021 | Regular Paper

An improved algorithm of video quality assessment by danmaku analysis

verfasst von: Hanyun Zhang, Dongliang Guo, Wei Liu, Junlan Nie, Shuo Li

Erschienen in: Multimedia Systems | Ausgabe 2/2022

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Abstract

Video quality assessment (VQA) algorithms play an significant role in many fields of video analysis. To improve the accuracy of video quality evaluation, many scholars start by imitating viewers’ subjective feelings to make the algorithm more suitable for the subjective feelings of the video viewers. On the other hand, many scholars are also working to reduce some unnecessary time costs caused by frame-by-frame analysis. To achieve this goal, it also caused a lot of unnecessary time costs. To solve these problems, this paper proposes an improved algorithm based on danmaku analysis. First of all, through the analysis of eye movement data, we find that the concentrated expression of the subjective emotion of the video viewers contains a strong direct relationship with the quality of the video, and the danmaku is an element of such subjective emotion. Then we improve the existing video quality assessment algorithm, analyze the significant role of danmaku in subjective emotion, extract specific keyframes, and get the corresponding objective score as the result. The experimental results show that the algorithm improves the efficiency of time optimization, and from the Pearson correlation coefficient (PCC), the results are more fit for viewers’ subjective feelings.

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Metadaten
Titel
An improved algorithm of video quality assessment by danmaku analysis
verfasst von
Hanyun Zhang
Dongliang Guo
Wei Liu
Junlan Nie
Shuo Li
Publikationsdatum
26.10.2021
Verlag
Springer Berlin Heidelberg
Erschienen in
Multimedia Systems / Ausgabe 2/2022
Print ISSN: 0942-4962
Elektronische ISSN: 1432-1882
DOI
https://doi.org/10.1007/s00530-021-00858-7

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