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Proceedings Article

Towards standardized 3DTV QoE assessment: cross-lab study on display technology and viewing environment parameters

[+] Author Affiliations
Marcus Barkowsky, Jing Li, Patrick Le Callet

IRCCyN, CNRS, L'UNAM Univ. and Univ. de Nantes (France)

Taehwan Han, Sungwook Youn, Jiheon Ok, Chulhee Lee

Yonsei Univ. (Korea, Republic of)

Christer Hedberg, Inirajith V. Ananth, Kun Wang, Kjell Brunnström

Acreo Swedish ICT AB (Sweden)

Proc. SPIE 8648, Stereoscopic Displays and Applications XXIV, 864809 (March 12, 2013); doi:10.1117/12.2004050
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From Conference Volume 8648

  • Stereoscopic Displays and Applications XXIV
  • Andrew J. Woods; Nicolas S. Holliman; Gregg E. Favalora
  • Burlingame, California, USA | February 03, 2013

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. © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Marcus Barkowsky ; Jing Li ; Taehwan Han ; Sungwook Youn ; Jiheon Ok, et al.
" Towards standardized 3DTV QoE assessment: cross-lab study on display technology and viewing environment parameters ", Proc. SPIE 8648, Stereoscopic Displays and Applications XXIV, 864809 (March 12, 2013); doi:10.1117/12.2004050; http://dx.doi.org/10.1117/12.2004050


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