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QoE Standardization Issues

QoE Standardization Issues. QoMex September 9, 2011 Mechelen , Belgium Arthur Webster, NTIA/ITS Co-Chair of VQEG Chair of ITU-T SG9. Standards & Reports. ITU-T & SG9, SG12, SG16. ITU-R WP6C. Other Standards Orgs. VQEG. Industry & Academia. Results.

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QoE Standardization Issues

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  1. QoE Standardization Issues QoMex September 9, 2011 Mechelen, Belgium Arthur Webster, NTIA/ITS Co-Chair of VQEG Chair of ITU-T SG9

  2. Standards & Reports ITU-T & SG9, SG12, SG16 ITU-R WP6C Other Standards Orgs VQEG Industry & Academia Results Context VQEG/Standardization Process

  3. Present: VQEG and ITU Recs

  4. Open Issues and Challengesfor Standardization of QoE • Need for Resources • Testing is expensive & labor intensive • Industry wants No-Reference Models • Difficult technical problem • High Quality Test Material (esp. AV & 3DTV) • 3DTV QoE • Subjective methods • Objective methods • TelepresenceQoE (Question in SG12) • Joint Efforts (JEG and JEG-Hybrid) vsCompetitive • See VQEG JEG-Hybrid Call for Proposals and Participation: http://wiki.vqeg-jeg.org

  5. FRTV-II FRTV-I Future and TrendsVQEG Timeline and Future Activities 3DTV HYBRID HDTV2 HDTV-I QCIF Multimedia MM2 CIF VGA RRNR-TV QART JEG-Hybrid 1996 1998 2000 2002 2004 2006 2008 2010 2012

  6. SG9 & WP6C Recommendations resulting from VQEG projects--List • J.143: User requirements for objective perceptual video quality measurements in digital cable television • J.144: Objective perceptual video quality measurement techniques for digital cable television in the presence of a full reference • J.148: Requirements for an objective perceptual multimedia quality model • J.149: Method for specifying accuracy and cross-calibration of Video Quality Metrics (VQM)  • J.244: Full reference and reduced reference calibration methods for video transmission systems with constant misalignment of spatial and temporal domains with constant gain and offset • J.246: Perceptual visual quality measurement techniques for multimedia services over digital cable television networks in the presence of a reduced bandwidth reference • J.247: Objective perceptual multimedia video quality measurement in the presence of a full reference • J.249: Perceptual video quality measurement techniques for digital cable television in the presence of a reduced reference • J.340: Reference algorithm for computing peak signal to noise ratio of a processed video sequence with compensation for constant spatial shifts, constant temporal shift, and constant luminance gain and offset •  J.341: Objective perceptual multimedia video quality measurement of HDTV for digital cable television in the presence of a full reference • J.342: Objective multimedia video quality measurement of HDTV in the presence of a reduced reference signal • P.910 (revised) Subjective video quality assessment methods for multimedia applications • BT.1683 Objective perceptual video quality measurement techniques for standard definition digital broadcast television in the presence of a full reference   • BT.1866 Objective perceptual video quality measurement techniques for broadcasting applications using low definition television in the presence of a full reference signal   • BT.1867 Objective perceptual visual quality measurement techniques for broadcasting applications using low definition television in the presence of a reduced bandwidth reference   • BT.1885 Objective perceptual video quality measurement techniques for standard definition digital broadcast television in the presence of a reduced bandwidth reference   • J.bitvqmHybrid perceptual bitstream video quality assessment • J.mm-norefPerceptual audiovisual quality measurement techniques for multimedia services over digital cable television networks in the absence of a reference • J.norefPerceptual video quality measurement techniques for digital cable television in the absence of a reference • J.3D-disp-req Display requirements for 3D video quality assesment • J.3D-fatigue Assessment methods of visual fatigue and safety guideline for 3D video • P.3D-sam Subjective assessment methods for 3D video quality • J.av-dist Methods for subjectively assessing audiovisual quality of internet video and distribution quality television, including separate assessment of video quality and audio quality

  7. Questions and Feedback? Thank you! webster@its.bldrdoc.gov www.vqeg.org www.itu.int

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