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This paper deals with the issue of the perceptual quality evaluation of user-generated videos shared online, which is an important step toward designing video-sharing services that maximize users’ satisfaction in terms of quality. We first analyze viewers’ quality perception patterns by applying graph analysis techniques to subjective rating data. We then examine the performance of existing state-of-the-art...
As video consumption becomes popular, demand for high quality of experience of consumed videos is also increasing. While online video sharing is a popular video application, quality assessment of videos in such an application is challenging due to lack of reference videos and simultaneous involvement of diverse quality factors. In this paper, we take advantage of additional information of online videos,...
Typical wireless video communication applications involve two important basic chains, namely, coding and transmission. Video coding artifacts and packet losses are often introduced in the chains, respectively, which affect the quality of experience (QoE) of end-users for the delivered contents. In order to provide insights for design of QoE-aware content delivery applications, this paper presents...
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