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40th Meeting: Geneva, CH, October 2025 2025-10-03 17:24
JVET AHG report: SEI message studies (AHG9)
Authors: Sean McCarthy Jill Boyce Ye-Kui Wang Takeshi Chujoh Sachin Deshpande Miska M. Hannuksela Philippe de Lagrange Gary J. Sullivan Hendry Tan Alexis Tourapis S. Wenger Ping Wu Jens-Rainer Ohm
Abstract
This document summarizes the activity of AHG9 (SEI message studies) between the 39th Meeting (Daejeon, KR, 26 June - 4 July 2025) and the 40th Meeting (Geneva, CH, 3-12 October 2025) of JVET.
Meeting Notes
JVET-AN0009 JVET AHG report: SEI message studies (AHG9) [S. McCarthy, J. Boyce, Y.-K. Wang (co-chairs), T. Chujoh, S. Deshpande, M. M. Hannuksela, P. de Lagrange, G. J. Sullivan, H. Tan, A. Tourapis, S. Wenger, P. Wu (vice-chairs)]

A total of 89 contributions are identified relating to the mandates of AHG9. Some contributions relate to more than one mandate and/or SEI message. Some contributions also relate to the work of AHG8 and AHG11.

The following is a list of contributions related to the mandates of AHG9.

Study the SEI messages in VSEI, VVC, HEVC and AVC (4)

ARCHIVE :
JVET-AN0009-v2.docx
Decisions
adopted
The AHG recommends to: Review all related contributions; and Continue SEI messages studies. It was emphasized again that, “VSEI v4 is intended for FDIS and ITU-T consent at this meeting. There is a preference for design stability. Bug fixes and editorial improvements are OK. We intend to be cautious about adoptions that change the design. Small items with clear benefits may be considered.”
Citation