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Full-Reference Stereoscopic Video Quality Assessment Using a Motion Sensitive HVS Model

Galkandage, Chathura Vindana Perera, Calic, Janko, Dogan, Safak and Guillemaut, Jean-Yves (2020) Full-Reference Stereoscopic Video Quality Assessment Using a Motion Sensitive HVS Model IEEE Transactions on Circuits and Systems for Video Technology.

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Stereoscopic video quality assessment has become a major research topic in recent years. Existing stereoscopic video quality metrics are predominantly based on stereoscopic image quality metrics extended to the time domain via for example temporal pooling. These approaches do not explicitly consider the motion sensitivity of the Human Visual System (HVS). To address this limitation, this paper introduces a novel HVS model inspired by physiological findings characterising the motion sensitive response of complex cells in the primary visual cortex (V1 area). The proposed HVS model generalises previous HVS models, which characterised the behaviour of simple and complex cells but ignored motion sensitivity, by estimating optical flow to measure scene velocity at different scales and orientations. The local motion characteristics (direction and amplitude) are used to modulate the output of complex cells. The model is applied to develop a new type of full-reference stereoscopic video quality metrics which uniquely combine non-motion sensitive and motion sensitive energy terms to mimic the response of the HVS. A tailored two-stage multi-variate stepwise regression algorithm is introduced to determine the optimal contribution of each energy term. The two proposed stereoscopic video quality metrics are evaluated on three stereoscopic video datasets. Results indicate that they achieve average correlations with subjective scores of 0.9257 (PLCC), 0.9338 and 0.9120 (SRCC), 0.8622 and 0.8306 (KRCC), and outperform previous stereoscopic video quality metrics including other recent HVS-based metrics.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Galkandage, Chathura Vindana
Calic, Janko
Dogan, Safak
Date : 1 March 2020
Uncontrolled Keywords : Stereoscopic video quality assessment, human visual system, motion sensitivity, quality of experience.
Depositing User : James Marshall
Date Deposited : 03 Apr 2020 10:43
Last Modified : 03 Apr 2020 10:43

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