Of itu-t sg16 wp3 and iso/iec jtc1/SC29/WG11

1.11Liaison activity

The JCT-VC did not directly send or receive formal liaison communications at this meeting. However, there was relevant liaison communication at the parent-body level involving communication with ITU-R WP6C on “full range” scaling in video format specifications; see section 6.1.

1.12Opening remarks

Opening remarks included:

• 
  Meeting logistics, review of communication practices, attendance recording, and registration and badge pick-up reminder
  
• 
  It was noted that there were again fewer contributions to this meeting than in the past, as most work items assigned to the team were moving toward completion.
  

Primary topic areas were noted as follows:

• 
  Screen content coding
  
  • 
    Software (code cleanup remains needed for this to become a completely adequate replacement for the HM) - a version had been approved in ITU-T, and a DAM ballot was under way in ISO/IEC
    
  • 
    Conformance - This is one of the top needs for work.
    
  • 
    Verification testing - Some testing had been conducted in the interim period.
    
• 
  HDR
  
  • 
    IC_TC_P support – this had been approved in ITU-T (not yet published), and was under DAM ballot in ISO/IEC
    
  • 
    Possible other SEI & VUI (see below)
    
  • 
    Development of TR on HDR/WCG Y′CbCr 4:2:0 Video with PQ Transfer Characteristics - to be prepared for ITU-T approval and ISO/IEC approval at this meeting
    
  • 
    Development of additional TR on HDR/WCG - planning to issue PDTR ballot in ISO/IEC
    
  • 
    Reference software - no balloting yet - currently, the HDR customization is in the HM separate from SCM, plus in a separate HDRTools pages
    
• 
  Corrigenda items for version 4
  

• 
  Main 10 Still Picture profile - potentially ready for Consent in ITU-T, potentially ready for DAM ballot in ISO/IEC
  
• 
  Other SEI & VUI
  
  • 
    Content colour volume (showcase to be reviewed)
    
  • 
    Region nesting SEI message (showcase to be reviewed)
    
  • 
    Motion-constrained tile set extraction (showcase to be reviewed)
    
  • 
    Equirectangular projection
    
  • 
    Other proposals
    
• 
  Test model texts and software manuals
  

Key deliverables initially planned from this meeting:

• 
  SCC outputs
  
  • 
    SCC Reference software (code cleanup remains needed for this to become a completely adequate replacement for the HM)
    
  • 
    SCC Conformance
    
  • 
    SCC Verification test results?
    
• 
  HDR outputs
  
  • 
    Signalling, backward compatibility & display adaptation WD/TR
    
  • 
    IC_TC_P support study output
    
• 
  Main 10 Still Picture profile text
  
• 
  Output on SEI message for 360?
  
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  Other output SEI message drafts
  
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  New HM, SHM, SCM document versions? HM17 with SCM integrated? (code cleanup remains needed for this to become a completely adequate replacement for the HM)
  

A single meeting track was followed for most meeting discussions.

1.13Scheduling of discussions

Scheduling: Generally, meeting time was scheduled during 0900–2000 hours, with coffee and lunch breaks as convenient. The meeting had been announced to start with AHG reports and then proceed with review of contributions during the first few days. Ongoing scheduling refinements were announced on the group email reflector as needed.

Some particular scheduling notes are shown below, although not necessarily 100% accurate or complete:

• 
  Thu. 12 Jan, 1st day
  
  • 
    1000–1200: Opening remarks, status review, AHG report review (GJS & JRO)
    
  • 
    No further activity on that day
    
• 
  Fri. 13 Jan, 2nd day
  
  • 
    0900–1100 Further discussion of AHG reports and beginning consideration of contributions
    
  • 
    11:15 Omnidirectional 360° input review
    
  • 
    [1400–2000 Outside of JCT-VC: MPEG OMAF AHG]
    
  • 
    1430–1500 Main 10 Still Picture profile
    
  • 
    1500–1700 PQ10 HDR/WCG technical report AHG and related contributions
    
• 
  Sat. 14 Jan, 3rd day
  
  • 
    0900–1230 2nd HDR/WCG technical report related contributions
    
  • 
    [0900–2000 Outside of JCT-VC: MPEG OMAF AHG]
    
  • 
    1400–1430 HDR/WCG technical reports and related topics
    
  • 
    1430–1900 Content colour volume SEI message
    
• 
  Sun. 15 Jan, 4th day
  
  • 
    0920–1130 Proposed regional nesting SEI message
    
  • 
    1145–1245 MCTS extraction SEI message
    
  • 
    1245–1330 Errata and full-range interpretation
    
  • 
    1600–1800 360° video projection
    
• 
  Mon. 16 Jan, 5th day
  
  • 
    Parent-level plenaries
    
• 
  Tue. 17 Jan, 6th day
  
  • 
    0900–1000 Joint meeting with JVET & parent bodies on 360° video
    
  • 
    1000–1030 Joint meeting with parent bodies on SEI messages and HDR liaison
    
  • 
    1115–1230 Coding performance, non-normative aspects, and software development
    
  • 
    1330–1400 SCC verification testing
    
  • 
    1400–1500 Joint meeting with parent bodies on 360° projection indication extensibility
    
  • 
    1545–1600 Coding performance, non-normative aspects, and software development
    
• 
  Wed. 18 Jan, 7th day
  
  • 
    0900–1100 WG11 parent-level plenary
    
  • 
    1115–1300 Q6/16 parent-level plenary
    
  • 
    [1400–1500 Outside of JCT-VC: Joint meeting of JVET with parent bodies on CfE prep.]
    
  • 
    1530–1830 Omnidirectional 360° video (Z0026, Z0030, Z0034)
    
  • 
    1730–1800 Frame-compatible multiview with SCC (Z0041)
    
  • 
    1800–1830 Omnidirectional 360° video (Z0036 further discussion)
    
• 
  Thu. 19 Jan, 8th day
  
  • 
    1115–1230 Wrap-up
    
  • 
    [1330–1400 Outside of JCT-VC: Joint meeting of VCEG & JPEG]
    
  • 
    [1400–1500 Outside of JCT-VC: Joint meeting of JVET with parent bodies on CfE prep.]
    
  • 
    1115–1245 SCC conformance, wrap-up
    
  • 
    1530–1800 Wrap-up, review of TR1 draft
    
• 
  Fri. 20 Jan, 9th day
  
  • 
    Wrap-up, close by lunchtime
    
  • 
    1400–2000 WG11 parent-level closing plenary
    

There were no requests in the closing plenary to present any remaining "TBP" contributions.