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Volume: 30 | Article ID: art00027
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Exploring the effects of subjective methodology on assessing visual discomfort in immersive multimedia
  DOI :  10.2352/ISSN.2470-1173.2018.14.HVEI-527  Published OnlineJanuary 2018
Abstract

Visual discomfort is an important factor that influences viewing experience in immersive multimedia, for example, 3DTV and VR. With the added value of depth, the novel perceptual experience, visual discomfort is not an easy task for observers to evaluate. In this study, we investigate how the subjective methodology affects the test results in 3DTV condition. Two subjective visual discomfort experiments were conducted. One used the Pair Comparison (PC) method and the other used the Absolute-Category Rating (ACR) method. The results demonstrated that PC method had more powerful discriminability. For a difficult perceptualrelated tasks, such as visual discomfort in our study, PC was more easy to understand and conduct for the observers which led to reliable results. It also showed some very important but usually ignored conclusions on the subjective experiment, i.e., for measuring the perceived visual discomfort, the observer's judgment behavior might be affected by the test methodology.

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Jing Li, Junle Wang, Marcus Barkowsky, Patrick Le Callet, "Exploring the effects of subjective methodology on assessing visual discomfort in immersive multimediain Proc. IS&T Int’l. Symp. on Electronic Imaging: Human Vision and Electronic Imaging,  2018,  pp 1 - 6,  https://doi.org/10.2352/ISSN.2470-1173.2018.14.HVEI-527

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Copyright © Society for Imaging Science and Technology 2018
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