Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/151370
Title: Blind image quality assessment with hierarchy : degradation from local structure to deep semantics
Authors: Wu, Jinjian
Zeng, Jichen
Dong, Weisheng
Shi, Guangming
Lin, Weisi
Keywords: Engineering::Computer science and engineering
Issue Date: 2019
Source: Wu, J., Zeng, J., Dong, W., Shi, G. & Lin, W. (2019). Blind image quality assessment with hierarchy : degradation from local structure to deep semantics. Journal of Visual Communication and Image Representation, 58, 353-362. https://dx.doi.org/10.1016/j.jvcir.2018.12.005
Journal: Journal of Visual Communication and Image Representation
Abstract: Though blind image quality assessment (BIQA) is highly desired in perceptual-oriented image processing systems, it is extremely difficult to design a reliable BIQA method. With the help of the prior knowledge, the human visual system (HVS) hierarchically perceives the quality degradation during the visual recognition. Inspired by this, we suggest different levels of distortion generate individual degradations on hierarchical features, and propose to consider the degradations on both low and high level features for quality prediction. By mimicking the orientation selectivity (OS) mechanism in the primary visual cortex, an OS based local structure is designed for low-level visual information representation. At the meantime, the deep residual network, which possesses multiple levels for feature integration, is employed to extract the deep semantics for high-level visual content representation. By fusing the local structure and the deep semantics, a hierarchical feature set is acquired. Next, the correlations between the degradations of image qualities and their corresponding hierarchical feature sets are analyzed, and a novel hierarchical feature degradation (HFD) based BIQA (HFD-BIQA) method is built. Experimental results on the legacy and wild image quality assessment databases demonstrate the prediction accuracy of the proposed HFD-BIQA method, and verify that the HFD-BIQA performs highly consistent with the subjective perception.
URI: https://hdl.handle.net/10356/151370
ISSN: 1047-3203
DOI: 10.1016/j.jvcir.2018.12.005
Schools: School of Computer Science and Engineering 
Rights: © 2018 Elsevier Inc. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCSE Journal Articles

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