Abstract
Human visual system (HVS) identifies each unit of stereo-pair into binocular or monocular perception depending on distortions and depth perception. However, these HVS properties still have a large room for exploration in stereoscopic image quality assessment (SIQA) research field. In this paper, a bivariate natural scene statistics (NSS) model is proposed to capture image quality by extracting features from binocular and monocular perception regions, respectively. In the implementation details, the stereo-pair is first segmented into various regions based on spatial information of its disparity. Then the regions are classified into categories of binocular fusion, binocular rivalry and binocular suppression. Bivariate statistics of spatially adjacent Gabor response of image are extracted from each category of regions, based on which features are calculated for image quality representation. In particular, the extraction strategy depends on the type of image patch. Experimental results show that the proposed model is promising at handling the task of SIQA on LIVE 3D Image Quality Database.
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