Joint Collaborative Team on Video Coding (jct-vc) Contribution

1.11Liaison activity

The JCT-VC did not send or receive formal liaison communications at this meeting.

See section 8.1 regarding communication between the parent bodies and LS input from ITU-R regarding electro-optical transfer characteristics (esp. for BT.2020).

1.12Opening remarks (update)

The next meeting begins 30 June, so any editing period for that needs to be relatively short (to check on that).
Remarks on Lateness of documents.

Remarks on Number of documents.

Primary topic areas:

• 
  HLS
  
• 
  SHVC
  
• 
  RExt
  
• 
  Corrigenda items, preparation of new edition (how to progress RExt FDAM ballot)
  
• 
  Screen content coding CfP
  

Other

• 
  Verification test
  

Unfinished (or less-than-optimally finished) deliverables

• 
  HEVC conformance (& Draft DoCR)
  
• 
  RExt draft finalization
  
• 
  HM test model text
  

Two main tracks:

• 
  HLS
  
• 
  RExt & SCC
  

1.13Scheduling of discussions

Scheduling: Generally meeting time was scheduled during 0800 – 2000, with coffee and lunch breaks as convenient. The meeting had been announced to start with AHG reports and continue with parallel review on SHVC HLS, SHVC and RExt CE work and related contributions during the first few days. Ongoing refinements were announced on the group email reflector as needed.

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

• 
  Thu. 27 Mar., 1st day 0900–2000
  
  • 
    JCT-VC opening and review of AHG reports [JRO & GJS] 0900–1315 (MP1)
    
  • 
    SCC CfP response presentations of technical proposals [JRO] 1445–2000 (MP1)
    
  • 
    HLS BoG [J. Boyce] 1445–2000 (Aud. 3B)
    
• 
  Fri. 28 Mar., 2nd day 0800–1900
  
  • 
    RExt [JRO] 0800–1300, 1630–1900 (MP1)
    
  • 
    HLS BoG [J. Boyce] 0900–1300, 1430–1900 (3B), esp.:
    
    • 
      7.5.2 IRAP alignment and POC derivation
      
    • 
      7.5.3 RPS signalling and derivation
      
    • 
      7.5.5 Parameter sets
      
  • 
    SCC CfP Summarization BoG [H. Yu. R. Cohen, R. Joshi] 0800–1300 (3A)
    
  • 
    SCC CfP results review [JRO] 1430–1600 (MP1)
    
  • 
    SCE1 and related non-CE SHVC contributions [GJS] 1430–1900 (3A)
    
• 
  Sat. 29 Mar., 3rd day 0800–2000
  
  • 
    Parallel activity: JCT-3V first day 0900–2000 (3A+B)
    
  • 
    Non-CfP SCC or RExt [R. Cohen] 0830–1330, 1500–1730 (MP1)
    
  • 
    HLS [Y.-K. Wang] 0900–1330, 1500–1630 (S2)
    
  • 
    SHVC position calculation [J. Boyce] 0800–1330 (S1)
    
  • 
    JCT-VC review of Non-CfP SCC / RExt and SHVC position calculation [GJS] 1600–2000 (MP1)
    
• 
  Sun. 30 Mar., 4th day 0900–2000 [Summer time change noted]
  
  • 
    JCT-VC review of SHVC position calculation and HLS [GJS] 0900–1200 (Aud. 2)
    
  • 
    JCT-VC remainders [GJS] 1200–1400, 1330–1800
    
  • 
    RExt BoG [D. Flynn & C. Rosewarne] 1830–2000
    
  • 
    HLS BoG [J. Boyce] 1830–2000
    
• 
  Mon. 31 Mar., 5th day 1430–2100
  
  • 
    Parent level: WG 11 plenary 0900–1400
    
  • 
    Parent level: VCEG plenary 1400–1600
    
  • 
    Parent level: Joint meeting 1600–1800 (SCC &c)
    
  • 
    JCT-VC HLS 1815–2100 (GJS) (3B)
    
  • 
    JCT-VC RExt 1815–2100 (JRO) (Aud. 2)
    
• 
  Tue. 1 Apr., 6th day 0800–2100
  
  • 
    JCT-VC RExt and next steps for SCC (GJS & JRO) 0800–1000+ (Aud. 2)
    
  • 
    SHVC position calculation [J. Boyce] 0800–1000 (Room A)
    
  • 
    HLS [J. Boyce] 0900–1100 (Room A)
    
  • 
    SCM [R. Cohen] (Aud. 2)
    
  • 
    RExt editorial review [GJS] 1000 (Foyer Aud. 2B)
    
  • 
    RExt colour VUI [GJS] 1200 (Foyer Aud. 2B)
    
  • 
    Parent level: Joint meeting 1600–1800 (various topics)
    
  • 
    RExt editorial review [DF] 1800–2100 (3A)
    
• 
  Wed. 2 Apr., 7th day 1130–2100
  
  • 
    Parent level: WG 11 plenary 0900–1100
    
  • 
    JCT-VC review of side activity, RExt profiling details 1130−1300 (Aud. 2)
    
  • 
    Parent level: VCEG plenary 1300–1400 (Aud. 2)
    
  • 
    SCC 1500−1700 BoG (Room 3A)
    
  • 
    HLS 1500−1800 (Aud. 2)
    
  • 
    JCT-VC remainders 1800-2100 (Aud. 2)
    
    • 
      SHVC CGS phase 2.1 vs. 2.2 [2.2 simpler?, 2.1 has 0.6% gain] Decision: 2.1, with se(v) coding.
      
    • 
      HEVC v1 Conformance 0219
      
    • 
      SHVC conformance (To be part of conformance AHG – volunteers: J. Boyce, Y. Ye, T. Suzuki, A. Ramasubramonian) & ref soft
      
    • 
      Verif test follow-up (0019, 0204  output doc)
      
    • 
      RExt conformance 0249
      
    • 
      RExt coding features 0051
      
    • 
      
      
  • 
    RExt finalization and editorial review BoG 1900−2100
    
  • 
    Parent level: ISO/IEC editor guidance 1700–1800 (Room 5)
    
• 
  Thu. 3 Apr., 8th day 0800–2100
  
  • 
    Parent level: Joint meeting 15600–17800 (various topics)
    
  • 
    BoG position & phase adj SHVC Room A 8am
    
  • 
    BoG HLS Room A 1000
    
  • 
    BoG SCC Room 3A 8am-1000
    
  • 
    JCT-VC & JCT-3V joint HLS review 1700-1800 Aud. 2
    
  • 
    JCT-VC Remainders 0800-1500 Aud. 2
    
    • 
      0800 Misc
      
    • 
      0930 Still picture
      
    • 
      1000 SCC Review
      
    • 
      AHG plans
      
    • 
      Profiles 0089, &c [high throughput profile 3.6 (p.32)]
      
    • 
      Levels 0145, 0103, &c
      
    • 
      Version 1 defects MinCR [confirmed], 0111 [Discussed Wed. (MMH) Revisit Thu.]
      
    • 
      pic_struct 0117
      
    • 
      IBC 0075 non-4:4:4, BV prediction study Q0062, Q0114, Q0134
      
    • 
      Weighted prediction non-normative 0056 [p.64]
      
    • 
      Interlaced compression testing of HEVC v1 relative to AVC [?]
      
    • 
      RExt CBF, init.
      
    • 
      Verif test RExt, SHVC ?
      
    • 
      Still picture performance 0229
      
    • 
      Offset information for aux pics? Q0162
      
    • 
      Out-of-band VPS stuff Q0110
      
    • 
      Other SEI 7.6.4
      
    • 
      HLS revisits Q0223
      
    • 
      General BoG review
      
    • 
      CE planning
      
    • 
      Output doc planning
      
    • 
      Further discussion needed?
      
      • 
        Notes for performance analysis 0046, 0050
        
      • 
        Interlace 0118
        
      • 
        Test sequences 3.8
        
    • 
      Discussions completed
      
      • 
        
        
  • 
    
    
• 
  Fri. 4 Apr., 9th day 0800–1330
  
  • 
    Parent level: WG 11 plenary 1400–2200