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Ad hoc groups

Ad hoc groups of MPEG 149

NameAhG on IoMT and MPEG-V
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
o	Collect and study additional use cases and technologies connected to the decentralized processing of media by AI in IoMT 
o	Explore and collect additional use cases and technologies connected to connecting cyber and physical words 
o	Explore and collect and study additional use cases and technologies connected to the management of media content in distributed AI environments 
o	Study reference implementations for decentralized processing of media by AI in IoMT
Chair(s)
Mihai Mitrea, Sang-Kyun Kim
Duration
Until the next MPEG WG7 Meeting
Reflector(s)
MIoTW@lists.aau.at
Subscribe
http://lists.uni-klu.ac.at/mailman/options/MIoTW
send an email to MIoTW-join@lists.aau.at
Meeting
several meetings before the next WG7 meeting
Room Size
20
https://iso.zoom.us/j/92992119841?pwd=eksrd2Z4d09uS1VYYTB1MTZLc085UT09

NameAhG on Video-based Graphics Coding
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
•	Propose corrections for identified issues in the V3C and V-PCC specifications
•	Coordinate scientific and technical dissemination of V-PCC and V-DMC
•	Coordinate communications of V-PCC to fairs, exhibitions, workshops, webinars
•	Solicit contributions to encapsulate V-PCC and V-DMC in scene graph 
•	Release new version of the V-DMC test model (SW and documentation) during the editing period
•	Conduct the V-DMC experiments
•	Coordinate the Joint Exploration Experiments 4 and 5
•	Coordinate editing text for technologies on V-DMC
•	Solicit contributions on V-DMC conformance
•	Coordinate preparation of the V-DMC reference software
•	Solicit additional data sets for all categories including multiple attributes
Chair(s)
Ralf Schaefer (Chair), Khaled Mammou, Danillo Graziosi
Duration
Until the next MPEG WG 7 Meeting
Reflector(s)
mpeg-3dgc AT gti. ssr. upm. es
Subscribe
To subscribe, send email to https://mx.gti.ssr.upm.es/mailman/listinfo/mpeg-3dgc
Meeting
Several online sessions before the next MPEG meeting to be announced on the 3DGH reflector ASAP (avoid Friday before the next MPEG meeting)
Room Size

NameAhG on Geometry-based Point Cloud Compression
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
1. Coordinate the editing for the Enhanced G-PCC and Solid G-PCC
2. Update the TMs (SW and documentation) during the editing period
3. Conduct the G-PCC experiments for future enhancements
4. Coordinate scientific and technical dissemination of G-PCC as well as communications of G-PCC to fairs, exhibitions, workshops, webinars
5. Solicit additional data sets for all categories
Chair(s)
Hyejung Hur, Sébastien Lasserre, Yingzhan Xu
Duration
until the next MPEG WG7 meeting
Reflector(s)
mpeg-3dgc@gti.ssr.upm.es
Subscribe
to https://mx.gti.ssr.upm.es/mailman/listinfo/mpeg-3dgc
Meeting
Several online sessions during the week before the next MPEG meeting.
Room Size

NameAhG on Haptics Coding
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
Phase 1:
1.	Address Integrated Reference and Conformance software remaining issues, prepare corresponding CRM5.1 and Ensure maintenance of the code
2.	Solicit contributions to improve Phase 1 standard and reference software algorithm as part of EE4
3.	Support File Format ISOBMFF and DASH for ISO/IEC 23090 part 32 for Haptics to progress to FDIS and for the new conformance part 37 to progress to CD
4.	Prepare a white paper to be published by AG3
Phase 2:
5.	Progress the work on the evaluation platform and associated defined scenarii and collect additional test content 
6.	Progress the work for implementing the baseline architecture for the Source-Medium-Listener Spatial Haptic Model (SHM) and integration with MPEG-I SD
7.	Solicit contributions for EE1, EE2 and EE3 for Phase 2
Chair(s)
Philippe Guillotel (philippe.guillotel@interdigital.com)
Iraj Sodagar (irajs@live.com) 
Quentin Galvane (quentin.galvane@interdigital.com)
Duration
Until next MPEG meeting
Reflector(s)
mpeg-haptics@lists.aau.at – use [Haptics] in email header
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-haptics
Meeting
Calls Feb. 12 + Mar. 05 + Mar. 28 (pre-MPEG#150)
at 1400 UTC. Dial-in details: https://iso.zoom.us/j/7945431076?pwd=b21hT3FWWlUxRVA5S0hZSFYzRGtSUT09
Room Size

NameAhG on Feature Coding for Machines
GroupWG 4 - MPEG Video Coding
Mandates
1. Develop and release updated FCTM software, anchors, PWD, and CTTC.
2. Conduct Core Experiments.
3. Conduct FCTM studies (FE1-3 on training, CTTC, GPU stability, respectively.)
4. Investigate remaining causes of discrepancy in FCTM simulations and propose solutions.
5. Continue to refine Common Test and Training Conditions.
6. Solicit additional training datasets.
7. Solicit input on methods to support network and split point-agnostic architecture.
8. Refining the FCM bitstream structure.
9. Study FCTM complexity.
Chair(s)
chris.rosewarne@canon.com.au,Chris Rosewarne (Canon) 
zhangy666@chinatelecom.cn,Yuan Zhang (China Telecom)
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-wg4-fcm@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-wg4-fcm
Meeting
Tues (March 25): 2300-Wed 0100 UTC, 0120-0320 UTC
Thurs (March 27): 2300-Thurs 0100 UTC, 0120-0320 UTC
Room Size
50-70

NameAhG on Media Authenticity
GroupWG 2 - MPEG Technical Requirements
Mandates
1. Prepare Technical Report on media authentication.
2. Generate a unified list of definitions to describe media authentication technologies.
3. Summarize progress on technical work on media authentication within the WGs.
Chair(s)
Jonathan Pfaff (Fraunhofer HHI) jonathan.pfaff@hhi.fraunhofer.de, Christof Fersch (Dolby) christof.fersch@dolby.com, Yuan Zhang (China Telecom) zhangy666@chinatelecom.cn
Duration
Until next MPEG meeting
Reflector(s)
mpeg-req@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-req
Meeting
One conference call to be announced two weeks before
Room Size

NameAhG on Font Format
GroupWG 3 - MPEG Systems
Mandates
1. Review the DIS text of ISO/IEC 14496-22 5th edition (WG03N01388) and prepare and submit ballot comments via members’ National Bodies.
Chair(s)
Vladimir Levantovsky (Type Standards)
Duration
Until next meeting
Reflector(s)
mpeg-otspec@lists.aau.at; https://github.com/MPEGGroup/OpenFontFormat
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-otspec
Meeting
Zoom conference call may be held, if necessary (detailed information will be posted to the AHG reflector)
Room Size

NameAhG on Smart Contracts for Media
GroupWG 3 - MPEG Systems
Mandates
1. Solicit industry participation and contributions for ISO/IEC 23000-23 Decentralized Media Rights Application Format based on ISO/IEC 21000-23 Smart Contracts for Media taking into consideration the latest AI regulatory developments.

2. Study and solicit contributions (e.g., technologies and APIs) for ISO/IEC 23000-23 Decentralized Media Rights Application Format in the areas: a) Smart contracts and DLTs; b) Rights and metadata management; c) Content and creator IDs; and c) File formats and streaming protocols.

3. Enhance collaboration with liaisons (e.g., ISO/TC 307, ITU-T SG21, INATBA, W3C DIDs, ISCC, AMAS and EC) and conduct further dissemination activities (e.g., Digital Asset Management WG - Metaverse Standards Forum).

4. Study and improve the WD of ISO/IEC 23000-23 Decentralized Media Rights Application.
Chair(s)
Panos Kudumakis and Mirko Zichichi
Duration
Until the 150th MPEG meeting
Reflector(s)
smart-contracts@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/smart-contracts
Meeting
Biweekly calls starting Wed 5 Feb. 2025, alternatively at 14:00 & 16:00 UTC (2 h)
Room Size

NameAhG on Compression of Neural Networks for Multimedia Content Description and Analysis
GroupWG 4 - MPEG Video Coding
Mandates
1. Maintain data sets and INCTM
2. Collect further application and performance reports of NNC
3. Continue interaction with SC42, SG16/Q5, 3GPP SA4, NNEF, ONNX and the AI/ML community
4. Elaborate use cases and requirements for applying NNC to generic tensor data and study relation to other MPEG activities
5. Perform EEs on low-overhead tensor coding
Chair(s)
werner.bailer@joanneum.at,Werner Bailer (chair)
smchun@insignal.co.kr,Sungmoon Chun (vice-chair)
Duration
until next MPEG meeting
Reflector(s)
mpeg-nnr@lists.aau.at
Subscribe
Email to: mpeg-nnr-join@lists.aau.at
Meeting
March 27, 2025, 0500 UTC (online)
Room Size

NameAhG on Market Needs
GroupWG 2 - MPEG Technical Requirements
Mandates
Metaverse-related activity 
1) Work on dissemination of the MPEG metaverse-related activities to fora (e.g., Metaverse Standards Forum) and the public, including the production of a white paper. 
NGVC
2) Run the market needs analysis on the NGVC
Chair(s)
Gilles Teniou, Tencent (teniou@global.tencent.com)
Justin Ridge, Nokia (justin.ridge@nokia.com)
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-market@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-market
Meeting
13 March (2-4pm UTC): NGVC - Presentation of the Market Needs template
Room Size

NameAhG on Lenslet Video Coding (LVC)
GroupWG 4 - MPEG Video Coding
Mandates
1. Continue Exploration Experiments on Lenslet to Multiview Convertor Tool
2. Continue Exploration Experiments on Compression of Lenslet Video
Chair(s)
teratani-mehrdad@aut.ac.jp, Mehrdad Teratani (Co-chair, Aichi University of Technology, Japan)
jin.xin@sz.tsinghua.edu.cn, Xin Jin (Co-chair, Tsinghua Shenzhen International Graduate School, China)
Duration
Until next MPEG meeting
Reflector(s)
mpeg-i-visual@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-i-visual
Meeting
Online: 28 March 2025 (Friday)
Room Size
7:00 – 9:00 UTC
Zoom link to be announced

NameAHG on compressed video for study of quality metrics (CVQM)
GroupAG 5 - MPEG Visual Quality Assessment
Mandates
1. Produce CVQM phase 1 summary report as AG 5 output document;
2. Prepare and conduct CVQM phase 2 subjective quality assessment experiments;
3. Study the correlation between objective quality metrics and subjective quality scores in the CVQM dataset;
4. Study the suitability of learning-based quality metrics for evaluating compression performance.
Chair(s)
Yan Ye (Alibaba), Zhibo Chen (BJZK), Benjamin Bross (Fraunhofer HHI), Mathias Wien (RWTH Aachen University)
Duration
until the next AG 5 meeting
Reflector(s)
mpeg-vqa@lists.rwth-aachen.de
Subscribe
https://lists.rwth-aachen.de/postorius/lists/mpeg-vqa.lists.rwth-aachen.de/
Meeting
2025-03-17 15:00h UTC 1h

Further meetings are held online and are to be announced at least two weeks before the AHG meeting date.
Room Size

NameAhG on multi-layer video coding verification testing
GroupGeneral/All
Mandates
1. Prepare a test plan for verification testing of MPEG multilayer video coding technologies along the lines of industry usecases.
2. Study coding performance and characteristics of available and proposed video test material.
3. Prepare and conduct expert viewing for purposes of subjective quality evaluation of multilayer coding technologies and update the test plan according to the outcome.
4. Study and coordinate with JVET and WG 4 on encoder settings for multilayer coding technologies under test.
Chair(s)
Kenneth Anderson (Ericsson), Olena Chubach (Mediatek), Lorenzo Ciccarelli (V-Nova), Philippe de Lagrange (InterDigital)
Duration
Until the next AG 5 meeting
Reflector(s)
mpeg-vqa@lists.rwth-aachen.de
Subscribe
https://lists.rwth-aachen.de/postorius/lists/mpeg-vqa.lists.rwth-aachen.de/
Meeting
2025-02-25 16:00-18:00h UTC online
2025-03-13 09:00-18:00h CET hybrid

Further meetings are held online and are to be announced at least two weeks before the AHG meeting date.
Room Size

NameAhG on Guidelines for Subjective Visual Quality Evaluation
GroupAG 5 - MPEG Visual Quality Assessment
Mandates
1. Maintain the output document on “Guidelines for verification testing of visual media specifications”;
2. Maintain the output document on “Guidelines for remote expert viewing sessions”;
3. Consider extensions and refinements of the guidelines for remote expert viewing for more test types.
4. Finalize a guideline for the naming conventions for raw video data.
Chair(s)
Mathias Wien (RWTH Aachen University), Lu Yu (Zhejiang University), Joel Jung (Tencent)
Duration
until the next AG 5 meeting
Reflector(s)
mpeg-vqa@lists.rwth-aachen.de
Subscribe
https://lists.rwth-aachen.de/postorius/lists/mpeg-vqa.lists.rwth-aachen.de/
Meeting
Meetings are held online and are to be announced at least two weeks before the AHG meeting date.
Room Size

NameAhG on Carriage of Green Metadata
GroupWG 3 - MPEG Systems
Mandates
1. Produce FDAM text of ISO/IEC 23001-19 Ed.3 AMD2
2. Study ISO/IEC 23001-19 on carriage of green metadata and solicit related input contributions.
3. Work on and improve the text of ISO/IEC 23001-19 on carriage of green metadata.
4. Work on conformance of ISO/IEC 23001-11 Ed.3 Amd2 and of ISO/IEC 23001-19
Chair(s)
Olivier Le Meur (InterDigital), Christian Herglotz (BTU)
Duration
Until next MPEG meeting
Reflector(s)
gen-sys@lists.aau.at – use [green] in email header
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
- Several online sessions before the next MPEG meeting if necessary
- details will be announced through the reflector
Room Size

NameAhG on on Video Coding for Machines
GroupWG 4 - MPEG Video Coding
Mandates
1. Prepare output documents.
2. Release VCMRS v0.12 software.
3. Conduct Core Experiments
4. Continue developing VCM technologies.
5. Continue developing VCM WD.
6. Continue refining cross-check procedure.
7. Continue collecting and refining test and training materials, including ground truth.
8. Collaborate with the WG4 FCM AhG and WG5 AhG 8.
9. Conduct study of the common test conditions.
10. Study of evaluation framework
11. Conduct further study on HLS
12. Refactor VCMRS software
13. Collaborate with WG3 AhG on Systems technologies for Media coding for machine standards on bitstream structure.
Chair(s)
Shan Liu (shanl@global.tencent.com)
Chris Rosewarne (chris.rosewarne@canon.com.au)
Duration
Until next WG4 meeting
Reflector(s)
mpeg-wg4-vcm@lists.rwth-aachen.de
Subscribe
https://lists.rwth-aachen.de/postorius/lists/mpeg-wg4-vcm.lists.rwth-aachen.de/
Meeting
Wed (March 26): 2300-0100 UTC, Thurs (March 27): 0120-0320 UTC
Fri (March 28): 2300-0100 UTC, Sat (March 29): 0120-0320 UTC
Room Size
(online)
Interim calls:
- AhG to hold interim joint meeting between VCM and Systems technologies for Media coding for machine standards. (date TBD)
- Call on Feb. 7 to confirm update of m71492, m70724 crosscheck.

NameAhG on AI based 3D graphics coding
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
- Update test model TMAPv1 with new adoptions for AI-PCC
- Improve working draft for AI-PCC
- Coordinate the AI-PCC EEs including feature enhancement, learning-based attribute coding, reproducible coding
- Refine common test conditions for AI-PCC
Chair(s)
Dong Tian
Alexandre Zaghetto
Duration
Until the next MPEG WG7 meeting
Reflector(s)
mpeg-3dgc@gti.ssr.upm.es
Subscribe
https://mx.gti.ssr.upm.es/mailman/listinfo/mpeg-3dgc
Meeting
1300 – 1600, Thursday, March 27 (UTC)
1300 – 1600, Friday, March 28 (UTC)
Room Size
50

NameAhG on MPEG immersive video
GroupWG 4 - MPEG Video Coding
Mandates
1. Prepare Text of ISO/IEC FDIS 23090-12 MPEG immersive video 2nd edition 
2. Prepare Conformance and reference software for MPEG immersive video 2nd edition
3. Prepare Test Model 23 of MPEG immersive video 2nd edition
4. Document and study new technologies for immersive video coding
5. Promote MPEG immersive video outside of MPEG
Chair(s)
bart.kroon@philips.com, Bart Kroon (Chair)
dawid.mieloch@put.poznan.pl, Dawid Mieloch (Vice-chair)
Duration
Until the next MPEG meeting
Reflector(s)
Announcements: mpeg-i-visual@lists.aau.at
Offline discussion: https://git.mpeg.expert/MPEG/Video/MIV/Contributions
Subscribe
Email to: mpeg-i-visual-join@lists.aau.at
Meeting
No physical meetings.
Room Size
20
Online meetings (if any) will be planned with two weeks notice.
Meeting ID: 957 8481 1689
Password: MPEGIVisua

NameAhG on Syntactic Description Language
GroupWG 3 - MPEG Systems
Mandates
- To review TuC and solicit contribution to improve it.
- To execute the workplan on reference software and conformance as described in WG03N1474
Chair(s)
Youngkwon Lim
Duration
Until the 19th MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
Room Size
- a conference call in early March
- details to be announced through the reflector

NameAHG on Systems Technologies for Volumetric Media
GroupWG 3 - MPEG Systems
Mandates
1. Study and solicit contributions to improve WD of 23090-10 2nd edition.
2. Study 23090-29 and 23090-38 and solicit contributions to improve WD of 23090-10 2nd edition and 23090-18.
3. Discuss open issues in MPEG Git and propose recommended dispositions
Chair(s)
Youngkwon Lim, Lauri Ilola
Duration
until the 19th MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
Room Size
- a conference call in the end of February
- details will be announce through the reflector

NameAhG on Video Decoding Interface
GroupWG 3 - MPEG Systems
Mandates
1. To study TuC and WD, and solicit contributions to improve it
2. To solicit implementation of VDI extension for OpenMAX, MSE, WebCodec, or Vulkan.
3. Communicate with 3GPP and Khronos on the API extensions and other relevant topics related to VDI
Chair(s)
Youngkwon Lim, Emmanuel Thomas, Thomas Stockhammer
Duration
Until the 18th MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/gen-sys
Meeting
Room Size

NameAHG on exploration on media type independent metadata
GroupWG 3 - MPEG Systems
Mandates
- to study exploration document (WG03N1458) and solicit contributions to improve it.
- to study bitstream structure of the recent MPEG audio standards and solicit contributions on carrying application specific metadata in audio AU.
Chair(s)
Emmanuel Thomas, Imed Bouazizi, Youngkwon Lim
Duration
until the next MPEG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
- a conference call in mid-March
- details to be announced through the reflector
Room Size
30

NameAHG on MPEG-I Scene Description and Avatar Representation Formats
GroupGeneral/All
Mandates
1.	Work with the audio group WG06 on progressing the integration of legacy and MPEG-I audio into the MPEG-I SD 
2.	Progress the work on MPEG-I Scene Description taking into account the technologies in the CD of Amd.1 WG03_N1454 and the TuC in WG03_N1436
3.	Progress the standardization process for Avatar Representation formats taking into account the technologies in the CD in WG03_N1453 and the EE description in WG03_N1468
4.	Dispose issues in internal and public git environment
5.	Collect/coordinate test assets that support the development of the MPEG-I Scene description and Avatar Representation Formats
6.	Create conformance files to be shared with the FF group and generate sample files, test writers and readers
7.	Submit the Second Edition extensions to Khronos 
8.	Promote Scene Description and Avatar work including the preparation of a white paper to be published by AG03 at MPEG#150 and a demo at 3GPP SA4#131
9.	Work on conformance and reference software based on procedures based on CD for 23090-24 Amd.1 in WG and consider adding regression tests for new extensions.
10.	Extend the Gltf validator to address the MPEG_ extensions, and follow up with Khronos to integrate our reference software to https://github.com/KhronosGroup/glTF-Validator
11.	Collect information on ongoing scene description related work in the promote MPEG-I Scene Description and Avatar Representation Formats, in particular to Khronos, Metaverse Standards Forum, 5G-MAG and 3GPP
Chair(s)
Thomas Stockhammer (tsto@qti.qualcomm.com)
Mary-Luc Champel (champelmaryluc@xiaomi.com)
Gaëlle Martin-Cocher (Gaelle.Martin-Cocher@InterDigital.com)
Duration
Until MPEG#150
Reflector(s)
mpeg-i-scene@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-i-scene
 
Please check gitlab discussions here:
https://git.mpeg.expert/MPEG/Systems/SceneDescription/MPEG-Contributions/-/issues

Please check public github discussions here:
https://github.com/MPEGGroup/Scene-Description
Meeting
AHG Meetings
•	Call: Monday December 16, 2024 14:30 – 16:00 UTC (15:30 – 17:00 CET) 
  o	From 15:15 UTC onwards WG06 joins for Audio.
  o	Additional participation of WG06 will be discussed during this slot
•	F2f: Sunday January 19, 2025 15:00 – 19:00 local
AHG Meetings
•	Call: Monday February 3, 2025 14:30 – 16:00 UTC (15:30 – 17:00 CET) 
•	Call: Friday March 28, 2025 14:30 – 16:00 UTC (15:30 – 17:00 CET) 
Note:
•	3GPP SA4#131, February 17 – 21, 2025, Geneva, CH
•	Thomas off: March 2-6?
•	MPEG#150, March 31 April 4, 2025, online
Logistics
•	Zoom: http://iso.zoom.us/my/stockhammer, Passwd as of MPEG#150
•	Chairs create issues in gitlab to collect comments.
•	If MPEG#150 repository is not yet available, use MPEG#149 repository.

Calendar
-	Subscription link for MPEG AHG Calls:  https://mpeg.expert/live/nextcloud/remote.php/dav/public-calendars/HAwkATGsmc5bN3Qy?export
-	Public link for MPEG AHG Calls http://mpeg.expert/live/nextcloud/index.php/apps/calendar/p/HAwkATGsmc5bN3Qy
Room Size
40
40

NameAhG on MPEG DASH
GroupWG 3 - MPEG Systems
Mandates
1. Study and collect proposals for advancing the WD of Part 7 (WG03N1465)
2. Study technologies under consideration (TuC; WG03N 1433) and defect under investigation (DuI; WG03N1XXXX)
3. Review the contributions postponed from this meeting
4. Continue to work on conformance and reference software
Chair(s)
Iraj Sodagar, Christian Timmerer, Ali C. Begen
Duration
Until the next MPEG meeting
Reflector(s)
dash@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/dash
Meeting
Calls:
Room Size
- a conference call on 3/21 17:00-18:00 UTC (mandate 3)

NameAhG on Application Formats
GroupWG 3 - MPEG Systems
Mandates
0.     Study integration of MV-HEVC in application formats

CMAF (Common Media Application Format)
1.	Study the Draft DIS, and solicit further input
2.	Solicit feedback on the open issues on GitHub and GitLab.  

MIAF (Multi-Image Application Format)
3.	Study the DIS, and solicit further input
4.	Solicit feedback on the open issues on GitLab

MeMAF (Messaging Application Format)
5.	Study the requirements, working draft and solicit further input, in collaboration with 3GPP SA4.
6.	Solicit feedback on the open issues on GitLab and GitHub
Chair(s)
Krasimir Kolarov; Cyril Concolato; Thomas Stockhammer
Duration
until 150th meeting
Reflector(s)
CMAF - mpeg-cmaf@lists.aau.at
MIAF,  MeMAF - mpeg-maf-dev@lists.aau.at
Subscribe
CMAF - https://lists.aau.at/mailman/listinfo/mpeg-cmaf
MIAF, MeMAF - https://lists.aau.at/mailman/listinfo/mpeg-maf-dev
Meeting
AHG Meeting:
o Mar. 13, 2025 15:00 - 16:30 UTC
Room Size

NameAhG on media authenticity and provenance indication with the MPEG Systems technologies
GroupWG 3 - MPEG Systems
Mandates
1. Identify the subset of  WG02_N0427 usecases and requirements that are  applicable to MPEG systems standards and related workflows, in particular using ISOBMFF and DASH, to support media authentication and AI generated/altered content marking.
2. Study the existing MPEG ISOBMFF and DASH standards and identify the subset of requirements of 1 that are already addressed by these standards, and identify gaps.
3. Study existing non-MPEG standards, and identify the subset of requirements of the above item1 that are already addressed by these standards, and identify gaps.
4. Solicit initial candidate solutions for addressing these gaps.
Chair(s)
Iraj Sodagar, Youngkwon Lim
Duration
Until the 19th MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
Conference call:
March 5, 17-18 UTC.

zoom link: https://iso.zoom.us/my/sodagar

Password can be found on the mpeg calendar.
Room Size

NameAhG on MPEG Use Cases and Requirements
GroupWG 2 - MPEG Technical Requirements
Mandates
1. Support other Working Groups with the preparation of draft requirements and use case descriptions in a unified way.
2. Gather such requirements and use case descriptions for final refinement and approval by WG2.
3. Progress the development of MPEG-I Phase 3 requirements, include references to MPEG-I requirements defined elsewhere in their own documents. 
4. Progress guidelines on the drafting of WG2 requirements.
5. Improve MPEG website section regarding WG2 mission.
Chair(s)
Mary-Luc Champel, Xiaomi (champelmaryluc@xiaomi.com)
Igor D.D Curcio, Nokia (igor.curcio@nokia.com)
Duration
Until next meeting
Reflector(s)
mpeg-req@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-req
Meeting
AhG call to be announced and agreed if needed
Room Size

NameAhG on Omnidirectional MediA Format (OMAF)
GroupWG 3 - MPEG Systems
Mandates
1) Study requirements of MPEG-I phases 2 and 3 especially in relation to OMAF.
2) Study the TuC of immersive media metrics.
3) Implement agreed resolution regarding 4CC collision between OMAF and CMAF 
4) Maintain relationship with relevant SDOs (e.g., 3GPP SA4).
Chair(s)
Sachin Deshpande, Ye-Kui Wang, Youngkwon Lim
Duration
Until the next WG3  Meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
Room Size

NameAHG on Systems technologies for media coding for machine standards
GroupWG 3 - MPEG Systems
Mandates
- To study VCM, FCM and ACM and solicit contributions on systems' technologies to support them.
- To support other WGs on evaluating the questions related to bitstream structure design of such technologies
Chair(s)
Jin Young Lee, Sachin Deshpande, Youngkwon Lim
Duration
until the next MPEG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
no meeting
Room Size

NameAhG on scene-based media interchange
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
1. Complete specification of “independent mapping space” for study text of DIS;
2. Complete the definition of a normative data model to annotate scene graphs and assets with the entities of the Independent Mapping Space (cf. m64065), and include this model in an Annex to the study text of DIS for Part 28;
3. Continue to refine the work plan for Part 28;
4. Continue experiments and tests related to the test data and test methodologies for scene-based media interchange;
5. Continue to collect test data for scene-based media interchange;
6. Study the types of information that should be reported as a result of a translation process, and determine where such information should be stored, e.g.,  in an asset if applicable;
7. Continue to refine the requirements for SMI and submit updates to MPEG 150;
8. Continue to solicit industry engagement.
Chair(s)
Arianne T. Hinds (ahinds@global.tencent.com), Euee Jang (esjang@hanyang.ac.kr)
Duration
until the start of MPEG 150
Reflector(s)
mpeg-render@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-render
Meeting
Biweekly teleconference calls starting on Thursday 13 February 2025 from 15:00 to 16:30 UTC.

In person on Sunday prior to the start of the next hybrid MPEG meeting, from 12h to 16h
Room Size
10
Start time for meetings may vary based on agreement by participants that the meeting time should be changed, e.g., to better accommodate participants from Asia or Europe. Additional meetings as needed and scheduled, to be announced no less than two weeks in advance on the reflector.
Join Zoom Meeting
https://us02web.zoom.us/j/83050491779?pwd=qO8ApZJkqih8nSh7eHvMpscUoEgrIe.1

Meeting ID: 830 5049 1779
Passcode: 025326

NameAhG on Gaussian Splat Coding
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
1. Prepare use cases and requirements of Gaussian splat coding
2. Prepare data set for Gaussian splat coding
3. Define common test conditions for Gaussian splat coding
4. Prepare anchors for Gaussian splat coding
5. Investigate new Gaussian splat representation and coding technologies
6. Consolidate the software tools for Gaussian splat coding
Chair(s)
Yiyi Liao, yiyi.liao@zju.edu.cn (co-chair)
Gun Bang, gbang@etri.re.kr (co-chair)
Alexandre Zaghetto, Alexandre.Zaghetto@sony.com (co-chair)
Julien Ricard, jricard@global.tencent.com (co-chair)
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-gsc@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-gsc
Meeting
Room Size
25th February (1pm-3pm UTC), online
25th March (1pm-4pm UTC), online
26th March (3pm-6pm UTC), online
30th March (1pm-4pm UTC), online (if absolutely needed)
zoom link to be distributed on the reflector

NameAhG on MPEG-I immersive audio and audio maintenance
GroupWG 6 - MPEG Audio Coding
Mandates
1.	Execute Workplan on MPEG-I immersive audio
2.	Study and progress the integration of MPEG-I immersive audio into WG3 MPEG-I scene description 
3.	Study and progress file format for MPEG-I immersive audio
4.	Maintain audio-related text, conformance data and reference software
5.	Discuss potential verification test and demonstrator
6.	Study and progress media authenticity for MPEG audio technologies
Chair(s)
Thomas Sporer (FhG-IDMT) thomas.sporer at idmt.fraunhofer.de
Christof Fersch (Dolby) christof.fersch at dolby.com 
Sujeet Mate (Nokia) Sujeet.mate at nokia.com
Duration
Until next WG 6 Meeting
Reflector(s)
mpeg-audio @ idmt.fraunhofer.de
Subscribe
•To subscribe to the list use the instructions in m68318 (Sapporo Meeting)
•To post on the mailing list, send email to mpeg-audio @ idmt.fraunhofer.de 
Note that posting is blocked for non-members
Note that the previously used email list will stop operation soon.
Meeting
Room Size
WG6 zoom AhG meetings as follows:

Joint meeting with WG3 scene description to discuss common architecture: 
•	See Scene Description AhG meeting schedule

Thu 2025-03-06 13:00-15:00 UTC (MPEG-I final edits FDIS)
 
Wed/Thu 2025-03–26/27 13:00-17:00 UTC 

https://iso.zoom.us/j/2162331649?pwd=MVdzd1l0ejRPNXNubmVYZnd5bjlyZz09

(2025-03-27 only if needed)
Note: 
1.	Documents to be discussed in the AhG meeting in March 06 should be registered and uploaded before 2025-03-21 23:59 UTC 
2.	Documents to be discussed in WG 6 in April should be registered until March 24 and uploaded until March 26 23:59 UTC

NameAhG on Audio coding for machines
GroupWG 6 - MPEG Audio Coding
Mandates
1.	Identify industries and use cases for ACoM
2.	Continue to work on the use cases and requirements document (N308)
3.	Collect and describe test material for ACoM (N311)
4.	Continue to prepare CfP for ACoM (N310)
-	Figure of merit
-	Timeline
-	Anchor
-	Deliverables
-	Format of input data
5.	Collaborate with ITU-T SG21/Q.6 VCEG
Chair(s)
Sang-Wook Kim (CAU)  swkim4 at cau.ac.kr
Thomas Sporer (FhG-IDMT) thomas.sporer at idmt.fraunhofer.de
Duration
Until next WG 6 Meeting
Reflector(s)
mpeg-acom@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-acom
Meeting
Room Size
WG6 zoom AhG meetings on ACoM as follows:

Feb 12 8:00-9:00 UTC
Feb 26 8:00-9.00 UTC
Mar 12 8:00-9:00 UTC
Mar 26 8:00-10:00 UTC

Zoom link https://iso.zoom.us/j/9218290580?pwd=y48Fq1IZyBEBJmva3Mq1ZKNZlbDnre.1&omn=99084757658

Note: 
1)	Documents to be discussed in the AhG meeting in March 26 should be registered and uploaded before 2025-03-21 23:59 UTC
2)	Documents to be discussed in WG 6 in April should be registered until March 24 and uploaded until March 26 23:59 UTC

NameAhG on Genomic Information Representation
GroupWG 8 - MPEG Genomic Coding
Mandates
1.	To contribute to the execution of the Core Experiments identified in Description of Core Experiments on Graph Genomes N247 
2.	To contribute to the development of a 2nd edition 23092-5 to support Part 6 and the new technologies identified by the answer to the call for technology
3.	To support the organization and definition of objectives of the hackathon topic and data availability addressing AI potential for genomic data processing
4.	To finalize the reference software annex to 23092-4 3rd edition
5.	To compile common test conditions for the evaluation of MPEG-G performance
6.	To collect additional test data useful to be used for assessing technologies 
7.	To disseminate the information and coordinate the activities carried out by ISO/IEC JTC 1/SC 29/WG 8 to other ISO TCs, GA4GH and other organizations
8.	Continue the survey and study the advantages and disadvantages of existing genomics security and privacy practices and standards, to identify list of relevant organizations and people
Chair(s)
Raymond Krasinski (Philips)
Paolo Ribeca (Bioss)
Duration
Until the next WG8 meeting
Reflector(s)
SC29-WG8-AHG@listes.epfl.ch
Subscribe
To subscribe, send email to SC29-WG8-AHG-subscribe@listes.epfl.ch
Meeting
Yes
Room Size
n.a.
As needed, virtual meetings for the coordination of the development of the AHG mandates may be scheduled on zoom with the appropriate advanced notice. An Ad Hoc virtual meeting on Zoom preceding the next MPEG meeting will take place on Thursday March 27th at 13:00 UTC to 16:00 UTC.

NameAhG on MPEG-G Application Formats and Profiles
GroupWG 8 - MPEG Genomic Coding
Mandates
1.	Collect requirements for profiles based on use cases
2.	Extend, perform, and evaluate core experiments
3.	Determine the impact of the profiles on MPEG-G compression performance 
4.	Draft the specification of Part 7 Application formats and profiles
5.	Verify the compatibility and consistency of the Part 7 specification
Chair(s)
Yeremia Gunawan Adhisantoso (Leibniz University Hannover), Patrick Cheung (Philips NL)
Duration
Until the next WG8 meeting
Reflector(s)
WG8-Profiles-AHG@listes.epfl.ch
Subscribe
To subscribe, send email to WG8-Profiles-AHG-subscribe@listes.epfl.ch
Meeting
YES
Room Size
n.a.
As needed, virtual meetings for the coordination of the development of the AHG mandates may be scheduled on zoom with the appropriate advanced notice. An Ad Hoc virtual meeting on Zoom preceding the next MPEG meeting will take place on Thursday March 27th at 16:00 UTC to 17:00 UTC.

Ad hoc groups from other meetings:
MPEG 149, MPEG 148, MPEG 147, MPEG 146, MPEG 145, MPEG 144, MPEG 143, MPEG 142, MPEG 141, MPEG 140, MPEG 139, MPEG 138, MPEG 137, MPEG 136, MPEG 135

Download the current ad hoc group rules for MPEG AGs and WGs here: