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Proposal for 3D Subjective Evaluation Test Plan in VQEG: Enhancing Quality Assessment

This proposal outlines a comprehensive test plan aimed at clarifying allowable crosstalk in 3D subjective evaluations, presented by Jun Okamoto from NTT. It emphasizes the need for a standardized quality assessment method for 3D video to evaluate compression techniques effectively. Key areas of focus include degradation due to compression, the establishment of a quality scale, appropriate viewing duration, and the assessment of participants' 3D visual abilities. The proposal seeks a unified approach to enhance the 3D market by addressing visual fatigue and motion sickness.

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Proposal for 3D Subjective Evaluation Test Plan in VQEG: Enhancing Quality Assessment

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  1. Proposal for 3D evaluation test plan in VQEGJune 8 2011 Jun Okamoto (NTT)

  2. 1. Introduction In VQEG, a test plan to clarify the allowable crosstalk at a monitor for a 3D subjective evaluation test was discussed. In addition to this study, an appropriate subjective quality assessment method for evaluating the compressing or delivering technique in 3D video should be developed as soon as possible. Receive Display Capture Edit Encode Distribute View Send CIPA MPEG/BDA VESA ICDM ITU/VQEG ISO/IEC 3D Consorsium/3D@Home/SMPTE

  3. 2. Proposal (1/2) • a) Evaluation target • We propose to add the degradation caused by compression (e.g. bit-rate, difference of L/R quality) to be able to also evaluate degradation in 3D broadcasting and communication services. • b) Evaluation scale/viewpoint • We propose to add the use of a quality scale (e.g. MOS). - We want to ask VQEG to conduct a study for developing the unified evaluation method for 3D video services as soon as possible at the view point of enlarging the 3D market. • - In terms of 3D video service, we need to evaluate not only quality but also visual fatigue and motion sickness.

  4. 2. Proposal (2/2) • c) Viewing duration • We propose to add a study of the appropriate viewing duration depending on the objective of evaluation. • People need much more time to focus their eyes on 3D video than 2D video. In terms of fatigue, the results after participants have watched a 3D video for a long time are necessary. • d) 3D visual ability of participant • We propose to recommend the minimum required visual ability for a 3D subjective test. • - It is said that the difference among individual 3D visual ability is very large. It is important for us to get 3D subjective characteristics stably and repeatedly.

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