International organisation for standardisation organisation internationale de normalisation

1.11Liaison activity

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

1.12Opening remarks

No particular non-routine opening remarks were recorded.

1.13Contribution topic overview

The approximate subject categories and quantity of contributions per category for the meeting were summarized and categorized into "tracks" (A, B, or P) for "parallel session A", "parallel session B", or "Plenary" review, as follows. Discussions on topics categorized as "Track A" were primarily chaired by Gary Sullivan, and discussions on topic categorized as "Track B" were primarily chaired by Jens-Rainer Ohm.

• 
  AHG reports (22) Track P (section 2)
  
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  Project development, status, and guidance (0) Track P (section 3)
  
• 
  CE1: Entropy coding investigation (19) Track B (section 4.1)
  
• 
  CE2: Chroma RQT depth (9) Track B (section 4.2)
  
• 
  CE3: Chroma interpolation filter (4) Track A (section 4.3)
  
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  CE4: Quantization (27) Track B (section 4.4)
  
• 
  CE5: Transform skipping (15) Track B (section 4.5)
  
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  CE6: Intra prediction improvement (24) Track B (section 4.6)
  
• 
  CE7: Additional transforms (10) Track B (section 4.7)
  
• 
  CE8: Non-deblocking loop filtering (33) Track A (section 4.8)
  
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  CE9: MV coding and skip/merge operation (10) Track A (section 4.9)
  
• 
  CE10: Deblocking filter (31) Track A (section 4.10)
  
• 
  CE11: Coefficient scanning and coding (27) Track B (section 4.11)
  
• 
  Clarifications and bug fix issues (1) Track P (section 5.1)
  
• 
  HM settings and common test conditions (0) Track P (section 5.2)
  
• 
  HM coding performance (3) Track P (section 5.3)
  
• 
  Profile/level definitions (5) Track P (section 5.4)
  
• 
  Source video test material (2) Track P (section 5.4.1.1.1.1.1.1.8)
  
• 
  Functionalities (8) Track A (section 5.6)
  
• 
  Deblocking filter (10) Track A (section 5.7)
  
• 
  Non-deblocking loop filters (32) Track A (section 5.8)
  
• 
  NSQT/SDIP harmonization (8) Track B (section 5.9)
  
• 
  Block structures and partitioning (6) Track B (section 5.10)
  
• 
  Motion compensation operation and interpolation filters (8) Track A (section 5.11)
  
• 
  Motion and mode coding (53) Track A (section 5.12)
  
• 
  High-level syntax and tile/slice/wavefront structures (66) Track A (section 5.13)
  
• 
  Quantization (25) Track B (section 5.14)
  
• 
  Entropy coding (18) Track B (section 5.15)
  
• 
  Transform coefficient coding (49) Track B (section 5.16)
  
• 
  Intra prediction and mode coding (46) Track B (section 5.17)
  
• 
  Transforms (4) Track B (section 5.18)
  
• 
  Memory bandwidth reduction (11) Track B (section 5.19)
  
• 
  Alternative coding modes (27) Track B (section 5.20)
  
• 
  Encoder optimization (2) Track A (section 5.21)
  

NOTE – The number of contributions noted in each category, as shown in parenthesis above, may not be 100% precise.

Overall approximate contribution allocations: Track P: 33; Track A: 287; Track B: 299.