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

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Titel Towards standardized 3DTV QoE assessment: Cross-lab study on display technology and viewing environment parameters
Serientitel Stereoscopic Displays and Applications XXIV (SD&A 2013)
Teil 07
Anzahl der Teile 36
Autor Barkowsky, Marcus
Li, Jing
Han, Taehwan
Youn, Sungwook
Ok, Jiheon
Lee, Chulhee
Hedberg, Christer
Ananth, Inirajith V.
Wang, Kun
Brunnström, Kjell E.
Callet, Patrick Le
Lizenz CC-Namensnennung - keine Bearbeitung 2.0 UK: England & Wales:
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DOI 10.5446/30590
Herausgeber IS&T Electronic Imaging (EI) Symposium
Erscheinungsjahr 2013
Sprache Englisch

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Fachgebiet Informatik
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).

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