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Seeing is believing : the effect of video quality on quality of experience in virtual reality

Aleksandra Zheleva (UGent) , Wouter Durnez (UGent) , Klaas Bombeke (UGent) , Glenn Van Wallendael (UGent) and Lieven De Marez (UGent)
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Abstract
The omnidirectional nature of Virtual Reality (VR) content provides an immersive experience for the viewer. At the same time, VR content relies heavily on the quality of the video to deliver an immersive experience. This study investigates the effect of video quality degradation on aspects of the viewer's quality of experience (QoE) via subjective (i.e., a questionnaire) and objective (i.e., electroencephalogram) methods. We measured the viewer's experience of watching a five-minute-long 6DoF VR movie in four video quality versions. Analysis of the questionnaire data showed that subjective ratings of the video quality decreased in parallel with the degradation of the quality. Also, the lower video quality versions yielded lower sensory immersion and simulator sickness scores. Finally, analysis of the EEG data revealed significantly lower parietal and occipital alpha values for the low video quality versions of the content.
Keywords
quality of experience, EEG, physiological measures, video quality perception, immersion

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MLA
Zheleva, Aleksandra, et al. “Seeing Is Believing : The Effect of Video Quality on Quality of Experience in Virtual Reality.” 2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX), edited by Aleksandra Zheleva, IEEE, 2020, doi:10.1109/qomex48832.2020.9123075.
APA
Zheleva, A., Durnez, W., Bombeke, K., Van Wallendael, G., & De Marez, L. (2020). Seeing is believing : the effect of video quality on quality of experience in virtual reality. In A. Zheleva (Ed.), 2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX). Athlone, Ireland: IEEE. https://doi.org/10.1109/qomex48832.2020.9123075
Chicago author-date
Zheleva, Aleksandra, Wouter Durnez, Klaas Bombeke, Glenn Van Wallendael, and Lieven De Marez. 2020. “Seeing Is Believing : The Effect of Video Quality on Quality of Experience in Virtual Reality.” In 2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX), edited by Aleksandra Zheleva. Athlone, Ireland: IEEE. https://doi.org/10.1109/qomex48832.2020.9123075.
Chicago author-date (all authors)
Zheleva, Aleksandra, Wouter Durnez, Klaas Bombeke, Glenn Van Wallendael, and Lieven De Marez. 2020. “Seeing Is Believing : The Effect of Video Quality on Quality of Experience in Virtual Reality.” In 2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX), ed by. Aleksandra Zheleva. Athlone, Ireland: IEEE. doi:10.1109/qomex48832.2020.9123075.
Vancouver
1.
Zheleva A, Durnez W, Bombeke K, Van Wallendael G, De Marez L. Seeing is believing : the effect of video quality on quality of experience in virtual reality. In: Zheleva A, editor. 2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX). Athlone, Ireland: IEEE; 2020.
IEEE
[1]
A. Zheleva, W. Durnez, K. Bombeke, G. Van Wallendael, and L. De Marez, “Seeing is believing : the effect of video quality on quality of experience in virtual reality,” in 2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX), Athlone, Ireland, Ireland, 2020.
@inproceedings{8666943,
  abstract     = {The omnidirectional nature of Virtual Reality (VR) content provides an immersive experience for the viewer. At the same time, VR content relies heavily on the quality of the video to deliver an immersive experience. This study investigates the effect of video quality degradation on aspects of the viewer's quality of experience (QoE) via subjective (i.e., a questionnaire) and objective (i.e., electroencephalogram) methods. We measured the viewer's experience of watching a five-minute-long 6DoF VR movie in four video quality versions. Analysis of the questionnaire data showed that subjective ratings of the video quality decreased in parallel with the degradation of the quality. Also, the lower video quality versions yielded lower sensory immersion and simulator sickness scores. Finally, analysis of the EEG data revealed significantly lower parietal and occipital alpha values for the low video quality versions of the content.},
  author       = {Zheleva, Aleksandra and Durnez, Wouter and Bombeke, Klaas and Van Wallendael, Glenn and De Marez, Lieven},
  booktitle    = {2020 Twelfth International Conference on Quality of Multimedia Experience (QoMEX)},
  editor       = {Zheleva, Aleksandra},
  isbn         = {9781728159669},
  issn         = {2372-7179},
  keywords     = {quality of experience,EEG,physiological measures,video quality perception,immersion},
  language     = {eng},
  location     = {Athlone, Ireland, Ireland},
  pages        = {4},
  publisher    = {IEEE},
  title        = {Seeing is believing : the effect of video quality on quality of experience in virtual reality},
  url          = {http://dx.doi.org/10.1109/qomex48832.2020.9123075},
  year         = {2020},
}

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