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Title: Objective quality assessment and perceptual compression of screen content images
Authors: Wang, Shiqi
Gu, Ke
Zeng, Kai
Wang, Zhou
Lin, Weisi
Keywords: Engineering::Computer science and engineering
Issue Date: 2016
Source: Wang, S., Gu, K., Zeng, K., Wang, Z., & Lin, W. (2018). Objective quality assessment and perceptual compression of screen content images. IEEE Computer Graphics and Applications, 38(1), 47-58. doi:10.1109/MCG.2016.46
Journal: IEEE Computer Graphics and Applications
Abstract: Screen content image (SCI) has recently emerged as an active topic due to the rapidly increasing demand in many graphically rich services such as wireless displays and virtual desktops. SCIs are often composed of pictorial regions and computer generated textual/graphical content, which exhibit different statistical properties that often lead to different viewer behaviors. Inspired by this, we propose an objective quality assessment approach for SCIs that incorporates both visual field adaptation and information content weighting into structural similarity based local quality assessment. Furthermore, we develop a perceptual screen content coding scheme based on the newly proposed quality assessment measure, targeting at further improving the SCI compression performance. Experimental results show that the proposed quality assessment method not only better predicts the perceptual quality of SCIs, but also demonstrates great potentials in the design of perceptually optimal SCI compression schemes.
ISSN: 0272-1716
DOI: 10.1109/MCG.2016.46
Rights: © 2018 IEEE. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCSE Journal Articles


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