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Completely Blind Video Quality Evaluator
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AI
DOI：10.1109/LSP.2022.3215311.png)
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摘要
En 中文
Automatic video quality assessment of user-generated content (UGC) has gained increased interest recently, due to the ubiquity of shared video clips uploaded and circulated on social media platforms across the globe. Most existing video quality models developed for this vast content are trained on large numbers of samples labeled during large-scale subjective studies, which are often fail to exhibit adequate generalization abilities on unseen data. Thus, it is also desirable to develop opinion-unaware, completely blind video quality models, that are free of training, yet can compete with existing learning-based models. Here we propose such a model called VIQE (VIdeo Quality Evaluator), which we designed based on a comprehensive analysis of patch- and frame-wise video statistics, as well as of space-time statistical regularities of videos. The statistical features desired from the analysis capture complementary predictive aspects of perceptual quality, which are aggregated to obtain final video quality scores. Extensive experiments on recent large-scale video quality databases demonstrate that VIQE is even competitive with state-of-the-art opinion-aware models. The source code is being made available at https://github.com/uniqzheng/VIQE.
Keyword:
Video recording
Quality assessment
Feature extraction
Computational modeling
Streaming media
Distortion
Distortion measurement
Completely blind
video quality assessment
user-generated content
natural scene statistics
linear model
期刊
IF:
9.6
论文数:
1.1W
被引数:
1.7W
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