JVET-P0017 JVET AHG report: High-level syntax (AHG17) [R. Sjöberg, J. Boyce, S. Deshpande, M. Hannuksela, R. Skupin, A. Tourapis, Y.-K. Wang, W. Wan, S. Wenger]
This AHG report was discussed Tuesday 1 October 1545 (GJS).
This AHG report summarizes the activities of the AHG on High-level syntax (HLS) between the 15th JVET meeting in Gothenburg, SE (3–12 July 2019).and the 16th JVET meeting in Geneva, CH (1–11 October 2019).
It was reported that the estimated number of input contributions related to high-level syntax has increased from 123 at the 15th JVET meeting to 137 at this 16th meeting (10%).
The number of related contributions in particular categories was summarized as:
Category | HLS inputs (AHG estimation) |
Layered coding and resolution adaptivity (AHG8) | 36 |
High-level parallelism and coded picture regions (AHG12) | 46 |
Gradual random access (CE2) | 3 |
High level tool control | 5 |
SEI messages | 6 |
Other general high-level syntax (AHG17) | 41 |
Total | 137 |
It was noted that the first two days of the 16th meeting in Geneva were previously announced to be devoted to high-level syntax related topics.
An email conversation was conducted on the reflector labelled AHG12/AHG16/AHG17, based on a slide deck submitted by a member company regarding analysis of subpicture grid approach.
The AHG noted the following summary contribution
- JVET-P0687 contains a summary of HLS proposals on access unit delimiter, picture header, and slice header parameters signalling
The AHG recommended that this JVET meeting is planned such that there is enough time allocated to review high-level syntax related contributions.