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Proceedings Paper

Towards standardized 3DTV QoE assessment: cross-lab study on display technology and viewing environment parameters
Author(s): Marcus Barkowsky; Jing Li; Taehwan Han; Sungwook Youn; Jiheon Ok; Chulhee Lee; Christer Hedberg; Inirajith Vijai Ananth; Kun Wang; Kjell Brunnström; Patrick Le Callet
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Paper Abstract

Subjective assessment of Quality of Experience in stereoscopic 3D requires new guidelines for the environmental setup as existing standards such as ITU-R BT.500 may no longer be appropriate. A first step is to perform cross-lab experiments in different viewing conditions on the same video sequences. Three international labs performed Absolute Category Rating studies on a freely available video database containing degradations that are mainly related to video quality degradations. Different conditions have been used in the labs: Passive polarized displays, active shutter displays, differences in viewing distance, the number of parallel viewers, and the voting device. Implicit variations were introduced due to the three different languages in Sweden, South Korea, and France. Although the obtained Mean Opinion Scores are comparable, slight differences occur in function of the video degradations and the viewing distance. An analysis on the statistical differences obtained between the MOS of the video sequences revealed that obtaining an equivalent number of differences may require more observers in some viewing conditions. It was also seen that the alignment of the meaning of the attributes used in Absolute Category Rating in different languages may be beneficial. Statistical analysis was performed showing influence of the viewing distance on votes and MOS results.

Paper Details

Date Published: 12 March 2013
PDF: 7 pages
Proc. SPIE 8648, Stereoscopic Displays and Applications XXIV, 864809 (12 March 2013); doi: 10.1117/12.2004050
Show Author Affiliations
Marcus Barkowsky, IRCCyN, CNRS, L'UNAM Univ. and Univ. de Nantes (France)
Jing Li, IRCCyN, CNRS, L'UNAM Univ. and Univ. de Nantes (France)
Taehwan Han, Yonsei Univ. (Korea, Republic of)
Sungwook Youn, Yonsei Univ. (Korea, Republic of)
Jiheon Ok, Yonsei Univ. (Korea, Republic of)
Chulhee Lee, Yonsei Univ. (Korea, Republic of)
Christer Hedberg, Acreo Swedish ICT AB (Sweden)
Inirajith Vijai Ananth, Acreo Swedish ICT AB (Sweden)
Kun Wang, Acreo Swedish ICT AB (Sweden)
Mid Sweden Univ. (Sweden)
Kjell Brunnström, Acreo Swedish ICT AB (Sweden)
Mid Sweden Univ. (Sweden)
Patrick Le Callet, IRCCyN, CNRS, L'UNAM Univ. and Univ. de Nantes (France)

Published in SPIE Proceedings Vol. 8648:
Stereoscopic Displays and Applications XXIV
Andrew J. Woods; Nicolas S. Holliman; Gregg E. Favalora, Editor(s)

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