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Towards standardized 3DTV QoE assessment: Cross-lab study on display technology and viewing environment parameters
LUNAM Université, Université de Nantes, IRCCyN UMR CNRS 6597, France .
LUNAM Université, Université de Nantes, IRCCyN UMR CNRS 6597, France .
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2013 (Engelska)Ingår i: Proceedings of SPIE - The International Society for Optical Engineering, 2013, s. Art. no. 864809-Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

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.

Ort, förlag, år, upplaga, sidor
2013. s. Art. no. 864809-
Nyckelord [en]
3D Quality of Experience, Cross-Lab Validation, Standardization, Stereoscopic Displays, Subjective assessment, Viewing environment
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Datorsystem
Identifikatorer
URN: urn:nbn:se:miun:diva-19916DOI: 10.1117/12.2004050ISI: 000322737100008Scopus ID: 2-s2.0-84878734034Lokalt ID: STCISBN: 978-0-8194-9421-4 (tryckt)OAI: oai:DiVA.org:miun-19916DiVA, id: diva2:655828
Konferens
24th IS and T/SPIE Stereoscopic Displays and Applications Conference, SD and A 2013; Burlingame, CA; United States; 4 February 2013 through 6 February 2013; Code 97281
Tillgänglig från: 2013-10-14 Skapad: 2013-09-25 Senast uppdaterad: 2019-10-11Bibliografiskt granskad

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