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Title: Evaluating the role of content in subjective video quality assessment
Authors: Mirković, Milan
Vrgović, Petar 
Ćulibrk, Dubravko 
Stefanović, Darko 
Anderla, Andraš 
Issue Date: 4-Feb-2014
Journal: The Scientific World Journal
Abstract: Video quality as perceived by human observers is the ground truth when Video Quality Assessment (VQA) is in question. It is dependent on many variables, one of them being the content of the video that is being evaluated. Despite the evidence that content has an impact on the quality score the sequence receives from human evaluators, currently available VQA databases mostly comprise of sequences which fail to take this into account. In this paper, we aim to identify and analyze differences between human cognitive, affective, and conative responses to a set of videos commonly used for VQA and a set of videos specifically chosen to include video content which might affect the judgment of evaluators when perceived video quality is in question. Our findings indicate that considerable differences exist between the two sets on selected factors, which leads us to conclude that videos starring a different type of content than the currently employed ones might be more appropriate for VQA. © 2014 Milan Mirkovic et al.
DOI: 10.1155/2014/625219
Appears in Collections:Naučne i umetničke publikacije

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