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Abstract

Image posting and sharing on the social media clouds is a common activity of end users. During the uploading of an image, social media cloud automatically compresses the original image to reduce resolution and file size to save storage and provides service to speed up content loading in the web page. Image quality degradation on social media clouds decreases the user satisfaction level. Quality of Experience (QoE) experiment was conducted for assessing the end user’s satisfaction for image compression. During the experiment, four popular social media clouds were selected for 4 sample image hosting and images were captured with Canon DSLR and Samsung mobile cameras. The results show that Facebook and Twitter compress image less as compared to WeChat and Tumblr and user QoE ratings show that Facebook and Twitter compression level for the image is acceptable. Further, we found that decrease of luminance and chrominance has less impact on image quality compared to resolution scaling which has higher impact on quality.

DOI

10.3233/MGS-180284

Publication Date

2018-06-26

Publication Title

Multiagent and Grid Systems

Volume

14

Issue

2

ISSN

1574-1702

Embargo Period

2018-12-05

Organisational Unit

School of Engineering, Computing and Mathematics

First Page

125

Last Page

143

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