Blind quality assessment of compressed images via pseudo structural similarity
Min X.1; Zhai G.1; Gu K.1; Fang Y.2; Yang X.1; Wu X.1; Zhou J.3; Liu X.4
Conference NameIEEE International Conference on Multimedia & Expo (ICME)
Source PublicationProceedings - IEEE International Conference on Multimedia and Expo
Conference DateJUL 11-15, 2016
Conference PlaceSeattle, WA

Block-based compression causes severe pseudo structures. We find that the pseudo structures of images compressed by different levels show some degree of similarity. So we propose to evaluate the quality of compressed images via the similarity between pseudo structures of two images. To obtain a 'reference' image, we introduce the most distorted image (MDI), which is derived from the distorted image and suffers from the highest degree of compression. The proposed pseudo structural similarity (PSS) model calculates the similarity between pseudo structures of the distorted image and MDI. Pseudo structures of the distorted image become similar to the MDI's under the condition of severe compression. Via comparative tests, the proposed PSS model, on one hand, is shown to be comparable to state-of-the-art competitors, and on the other hand, it is not only good at assessing natural scene images but also performs the best in the hotly-researched screen content image (SCI) database. It deserves to mention that PSS is able to boost the performance of mainstream general-purpose no-reference (NR) quality measures.

KeywordBlockiness Iqa Most Distorted Image Pseudo Structural Similarity Screen Content Image
URLView the original
Indexed BySCI
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Software Engineering ; Computer Science, Theory & Methods ; Engineering, Electrical & Electronic
WOS IDWOS:000389574300098
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
Affiliation1.Shanghai Jiao Tong University
2.Jiangxi University of Finance and EcoNomics
3.Universidade de Macau
4.Harbin Institute of Technology
Recommended Citation
GB/T 7714
Min X.,Zhai G.,Gu K.,et al. Blind quality assessment of compressed images via pseudo structural similarity[C],2016.
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