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Volume: 28 | Article ID: art00019
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A Reduced-Reference Image Quality Assessment Model Based on Joint-Distribution of Neighboring LOG Signals
  DOI :  10.2352/ISSN.2470-1173.2016.18.DPMI-257  Published OnlineFebruary 2016
Abstract

Previous work have validated that the output of retinal ganglion cells in human visual pathway, which can be modeled as an LOG (Laplacian of Gaussian) filtration, can whiten the power spectrum of not only the natural images, but also the distorted images, hence the first-order (average luminance) and the secondorder (contrast) redundancies have been removed when applying the LOG filtration. Considering the fact that human vision system (HVS) always ignores the first-order and the second-order information when sensing image local structures, the LOG signals should be efficient features in IQA (image quality assessment) task and a lot of LOG based IQA models have been proposed. In this paper, we focus on an interesting question that has not been investigated carefully yet: what is an efficient way to represent image structure features that is perceptual quality aware based on the LOG signals. We examine the relationship between neighboring LOG signals and propose to represent the relationship by computing the joint distribution of neighboring LOG signals, and thus propose a set of simple but efficient RR IQA feature and consequently yield an excellent RR IQA model. Experimental results on three large scale subjective IQA databases show that our proposed method works robustly across different databases and stay in the state-of-the-art RR IQA models.

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Congmin Chen, Xuanqin Mou, "A Reduced-Reference Image Quality Assessment Model Based on Joint-Distribution of Neighboring LOG Signalsin Proc. IS&T Int’l. Symp. on Electronic Imaging: Digital Photography and Mobile Imaging XII,  2016,  https://doi.org/10.2352/ISSN.2470-1173.2016.18.DPMI-257

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