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Ad hoc groups

Ad hoc groups of MPEG 146

NameAhG on MPEG branding and identity
GroupAG 3 - MPEG Liaison and Communication
Mandates
1.  Define a plan for MPEG rebranding, including:
a.   identifying key items (e.g. logo, websites, ppt template, referencing, social media)
b.   Specifying requirements and objectives (e.g. communication)
2.  Identify mechanisms to deliver on the plan including financial support
a.  Define a list of actions
b.  Calling and gathering intent for support
c.  Identify and invite potential 3rd party /experts in the field
Chair(s)
Gaëlle Martin-cocher gaelle.martin-cocher@interdigital.com
Ali C. Begen ali.begen@ozyegin.edu.tr
Kyuheon Kim kyuheonkim@khu.ac.kr
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-ag3@lists.aau.at
Subscribe
Email to: https://lists.aau.at/mailman/listinfo/mpeg-ag3
Meeting
Rennes, FR April 2024
Room Size
10
One/two adhoc group online meeting based on discussion over reflector
Meeting ID:AG3(Branding)
Password: LibFraEga

NameAhG on MPEG-I Immersive Audio and Audio Maintenance
GroupGeneral/All
Mandates
1.	Execute Workplan on MPEG-I Immersive Audio
2.	Study and progress the integration of MPEG-I Immersive Audio into MPEG-I Scene Description 
3.	Maintain Audio-related text, conformance data and reference software
Chair(s)
Thomas Sporer (FhG-IDMT) thomas.sporer at idmt.fraunhofer.de (Mandate 1,2)
Schuyler Quackenbush (ARL) srq at audioresearchlabs . com (Mandate 1, 2)
Christof Fersch (Dolby) christof.fersch at dolby.com (Mandate 3)
Sujeet Mate (Nokia) Sujeet.mate at nokia.com (Mandate 2)
Duration
Until next WG 6 Meeting
Reflector(s)
mpeg-audio-call@audioresearchlabs.com
Subscribe
[•	To subscribe or unsubscribe to the list, send email to
the AhG Chair Schuyler Quackenbush
•	To post on the mailing list, send email to
 mpeg-audio-call@ audioresearchlabs.com 
Note that posting is blocked for non-members]
Meeting
Room Size
WG6 zoom AhG meetings as follows:

Joint with Scene Description to discuss common architecture: 
•	See Scene Description AhG meeting schedule
(June 3rd 1330-1500 UTC Online / July 14th 1500-1800 local Sapporo)


June 25, 1300-1700 (Tue) UTC on MPEG-I topics

July 10 – 11 (Wed, Thu), 2024, 1300-1700 UTC
https://iso.zoom.us/j/2162331649?pwd=MVdzd1l0ejRPNXNubmVYZnd5bjlyZz09

(July 11 only if needed)
Note: 
1)	It is expected that document registration and upload deadline is Fri July 5 2400 UTC
2)	Documents to be discussed in the June 25 AhG must be registered and uploaded no later than June 18 2400 UTC

NameAhG on Audio Coding for Machines
GroupWG 6 - MPEG Audio Coding
Mandates
1.	Identify Industries and Use Cases for ACoM
2.	Collect Data concerning market share for ACoM
3.	Promote Call for Interest on ACoM
4.	Continue to work on the Market Needs template for later review in the Market Needs AHG
5.	Continue to work on the UseCases and Requirements document
Chair(s)
Thomas Sporer (FhG-IDMT) thomas.sporer at idmt.fraunhofer.de
Sang-Wook Kim (CAU)  swkim4 at cau.ac.kr
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
Online AhG meeting: 2024-07-09 1400-1600 UTC
Additional online AhG meetings might be announced via the the Email reflector two weeks in advance.

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

Note: 
It is expected that document registration and upload deadline is Fri July 5 2400 UTC

NameAHG on Genomic Information Representation
GroupGeneral/All
Mandates
1.	To contribute to the execution of the Core Experiments identified in Description of Core Experiments on Graph Genomes N210 and work towards detailing the support for clinical data interchange
2.	To contribute to the development of a 3rd edition of 23092-4 and 2nd edition 23092-5 to support Part 6 and the new technologies identified by the answer to the call for technology
3.	To contribute to the development of a 3rd edition of 23092-3 on the relationship of Part 3 metadata and protection to Part 6 annotations and related metadata through CE6 and update to the APIs to support Part 6
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.	To contribute to the further development of the Performance Benchmarking study and related publications.
9.	Investigate use cases and standard support from ISO TC34 SC16 and SC9 in collaboration with ISO TC 34 members
10.	Continue the survey and study the advantages and disadvantages of existing genomics security and privacy practices and standards detailing the support for clinical data interchange
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
12
As needed, virtual meetings for the coordination of the development of the reference SW and performance benchmark 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 July 11th at 14:00 CET to 17:00 CET. A face to face meeting will take place on Sunday July 14th at 3PM to 6 PM JST.

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, progress the merge of SMI and MPEG Media Avatar requirements and revisit section on part 14 requirements coverage.
4. Progress guidelines on the drafting of WG2 requirements.
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
1 online meeting TBC at least 2 weeks in advance
Room Size

NameAhG on Feature Coding for Machines
GroupWG 4 - MPEG Video Coding
Mandates
1. Develop and release updated FCTM software, anchors, and CTTC.
2. Conduct Core Experiments.
3. Conduct FCTM studies (on training, CTTC, GPU stability).
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. Study methods to support network and split point-agnostic architecture.
Chair(s)
Chris Rosewarne (Canon) chris.rosewarne@canon.com.au
Yuan Zhang (China Telecom) zhangy666@chinatelecom.cn
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
AHG on Saturday July 13th all day.
Room Size
60

NameAHG on MPEG-G Profiles
GroupGeneral/All
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 relevant changes to the existing specifications
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
Virtual meetings to work on the mandates will take place on Thursday, May 16th  14:00-16:00 CET and on Thursday June 20th 14:00-16:00 CET. As needed, other virtual meetings may be scheduled with the appropriate advanced notice. A face to face meeting will take place on Sunday July 14th at 1 PM to 3 PM JST.

NameAHG on the support of ISO 23494
GroupGeneral/All
Mandates
1.	Progress in the identification of relationships between TC 276 ISO 23494 [Biotechnology – Provenance information model for biological material and data] and ISO/IEC 23092-3
2.	Investigate technical approaches to implement the mutual support of ISO 23494 and ISO/IEC 23092 standard series
3.	Identify the steps and the normative requirements to implement such support
4.	Investigate how persistent identifiers could be used in both standards to support linking of provenance information and genomic information
Chair(s)
Jaime Delgado (UPC)
Joerg Geiger (Uni-Wuerzburg)
Duration
Until the next WG8 meeting
Reflector(s)
WG8-TC276WG5_AHG@listes.epfl.ch
Subscribe
To subscribe, send email to WG8-TC276WG5_AHG-subscribe@listes.epfl.ch
Meeting
Yes
Room Size
As needed, virtual meetings for the execution of the mandates may be scheduled on zoom with the appropriate advanced notice. An Ad Hoc preceding the next MPEG meeting will take place on Thursday, July 11th at 17:00 CET to 18:00 CET.

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. Collect use cases and data for applying NNC to generic tensor data
Chair(s)
Werner Bailer (chair, werner.bailer@joanneum.at)
Sungmoon Chun (vice-chair, smchun@insignal.co.kr)
Duration
until next MPEG meeting
Reflector(s)
mpeg-nnr@lists.aau.at
Subscribe
Email to: mpeg-nnr-join@lists.aau.at
Meeting
June 27, 2024, 1300 UTC (online)
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 developments on copyright and AI markings.

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/WG3, ITU-T Q.22/SG16, INATBA, W3C DIDs, ISO/TC46/SC9/WG18 ISCC 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 147th MPEG meeting
Reflector(s)
smart-contracts@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/smart-contracts
Meeting
Biweekly calls starting Wed 8 May 2024, alternatively at 14:00 & 16:00 UTC (2 h)
Room Size

NameAhG on Essential Video Coding
GroupWG 4 - MPEG Video Coding
Mandates
1.	Coordinate ISO/IEC 23094-4 AMD 1 preparation and processing;
2.	Coordinate management of the ETM software and its distribution;
3.	Discuss EVC related input documents registered to WG4.
Chair(s)
Roman Chernyak (Tencent)
Min Woo Park (Samsung)
Duration
Until next WG04 meeting
Reflector(s)
mpeg-5@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-5
Meeting
Sunday before next WG04 meeting
Room Size
Online
Option for conference call before next WG04 Mtg (two weeks notice)

NameAhG on Font Format
GroupWG 3 - MPEG Systems
Mandates
1. Review the text of the Committee Draft of ISO/IEC 14496-22 5th edition (WG03N01187) and prepare and submit CD 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 Carriage of Green Metadata
GroupWG 3 - MPEG Systems
Mandates
1. Investigate uses and improvements of display power reduction metadata. 
2. Study 23001-11 DAM 2 for new display power reduction metadata and solicit contributions to improve it.
3. Contribute to the development of ISO/IEC 23001-10 AMD 2 related to carriage of display adaptation metadata.
4. Work on and improve the draft text of consolidated text on carriage of green metadata.
Chair(s)
Edouard Francois (InterDigital), Christian Herglotz (BTU), Yong He (Qualcomm)
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
Room Size

NameAhG on Syntactic Description Language
GroupWG 3 - MPEG Systems
Mandates
- To review the open issues on MPEG Git and prepare relevant disposition
- To solicit input on implementation guidelines and examples
Chair(s)
Youngkwon Lim
Duration
Until the 16th MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
Room Size
- two conference calls 
- 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 23090-10, 23090-18 and their amendments
2. Study reference software and conformance for 23090-10 and 23090-18 and solicit contribution to improve them. 
3. Study 23090-28 and 23090-29 related documents and solicit contributions regarding systems technologies for them.
4. Discuss open issues in MPEG Git (http://mpegx.int-evry.fr/software/MPEG/Systems/PCC-SYS) and propose recommended dispositions
5. Study commonalities among 23090-2, 23090-10 and 23090-18 and propose a plan to revise the specification to use common metadata definition in 23090-7
Chair(s)
Youngkwon Lim, Lauri Ilola
Duration
until the 16th MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
Room Size
- two conference call regarding mandate 3.
- to be announced 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 16th 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 MPEG Systems technologies for indicating AI created/altered content
GroupWG 3 - MPEG Systems
Mandates
- Solicit, collect and study the use cases
- Solicit and propose the requirements
- Solicit contributions on relevant MPEG Systems technologies
Chair(s)
Iraj Sodagar, Youngkwon Lim
Duration
Until the 16th MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
- a conference call
- to be announced through the reflector
Room Size

NameAhG on Omnidirectional MediA Format (OMAF)
GroupWG 3 - MPEG Systems
Mandates
1) Study the Draft DoC related to OMAF amendment on server-side dynamic adaptation and solicit technical proposals on the identified topics needing technical input.
2) Study the TuC of OMAF.
3) Study the TuC of immersive media metrics.
4) Study requirements of MPEG-I phases 2 and 3 especially in relation to OMAF.
5) 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
Before MPEG meeting with 2-week notice (if needed)
Room Size

NameAHG on compressed video for study of quality metrics (CVQM)
GroupAG 5 - MPEG Visual Quality Assessment
Mandates
1. Finalize coded bitstreams generated by learning-based video codecs for phase 1 subjective quality study;
2. Finalize test sites, test protocol and cross-site calibration methodology and collect subjective viewing results with the existing coded video in CVQM for phase 1 study;
3. Update and produce the Call for learning-based video codecs for study of quality assessment, version 2 and progress the CVQM phase 2 study; 
4. Study the correlation between objective quality metrics and subjective quality scores in the CVQM dataset;
5. Study the suitability of learning-based quality metrics for evaluating compression performance.
Chair(s)
Yan Ye (Alibaba), Zhibo Chen (USTC), 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
2024-05-15 1400-1600 UTC
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. Develop 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 Haptics Coding
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
Phase 1:
1. Ensure maintenance of the CRM4.0 reference & conformance software 
2. Complete the conformance software and prepare DIS
3. Solicit contributions to improve the current reference software algorithm
4. Evaluate feasibility for a technical report (TR) for Phase 1 codec
5. Support File Format ISOBMFF and DASH for ISO/IEC 23090 part 32 for Haptics to progress to FDIS
Phase 2:
6. Collect test sequences for the MPEG-I SD Amd2 conformance
7. Propose EEs description for Phase 2 and solicit related contributions
8. Select a final set of devices for the Phase 2 evaluation platform
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 May 15 + Jun. 05 + Jun. 19 + Jul 3 + Jul. 14 (on-site)
at 1400 UTC.
Room Size
Dial-in details: https://iso.zoom.us/j/7945431076?pwd=b21hT3FWWlUxRVA5S0hZSFYzRGtSUT09

NameAhG on Application Formats
GroupWG 3 - MPEG Systems
Mandates
CMAF (Common Media Application Format)
3.	Study the WD, and solicit further input
4.	Solicit feedback on the open issues on GitHub and GitLab

MIAF (Multi-Image Application Format)
5.	Study the TuC, and solicit further input
6.	Solicit feedback on the open issues on GitLab

MeMAF (Messaging Application Format)
7.	Study the requirements, working draft and solicit further input, in collaboration with 3GPP SA4.
8.	Solicit feedback on the open issues on GitLab and GitHub
Chair(s)
Krasimir Kolarov; Cyril Concolato; Thomas Stockhammer
Duration
until 147th meeting
Reflector(s)
CMAF - mpeg-cmaf@lists.aau.at
MIAF, VIAF, MeMAF - mpeg-maf-dev@lists.aau.at
Subscribe
CMAF - https://lists.aau.at/mailman/listinfo/mpeg-cmaf
MIAF, VIMAF, MeMAF - https://lists.aau.at/mailman/listinfo/mpeg-maf-dev
Meeting
MeMAF AHG Meeting:
o	Call June 17, 2024 16:30 – 18:00 CET (14:30 - 16:00 UTC)
o	Call July 11, 2024 16:30 – 18:00 CET (14:30 - 16:00 UTC)
Logistics for MeMAF AHG
•	Zoom: http://iso.zoom.us/my/stockhammer, Password as of MPEG#146
•	Chairs create issues in gitlab to collect comments.
•	Please use MPEG#147 repository for new contributions.
Calendar
•	Subscription link for MPEG AHG Calls: http://mpeg.expert/live/nextcloud/remote.php/dav/public-calendars/HAwkATGsmc5bN3Qy?export
•	Link for MPEG AHG Calls http://mpeg.expert/live/nextcloud/index.php/apps/calendar/p/HAwkATGsmc5bN3Qy
Room Size

NameAhG on interactive testing of visual volumetric media
GroupAG 5 - MPEG Visual Quality Assessment
Mandates
1. Study methodologies for interactive subjective quality assessment of immersive video;
2. Identify real-time renderers for the purpose of MPEG immersive video visual quality assessment;
3. Reach out to related activities in other standardization organizations.
Chair(s)
bart.kroon@philips.com, Bart Kroon (chair)
jiaqi.zhang@zju.edu.cn, Jiaqi Zhang (vice chair)
joeljung@global.tencent.com, Joel Jung (vice chair)
Duration
Until the next MPEG meeting
Reflector(s)
Announcements: mpeg-vqa@lists.rwth-aachen.de
Offline discussion: https://git.mpeg.expert/MPEG/VQA/InVol/Contributions
Subscribe
mpeg-vqa-request@lists.rwth-aachen.de
Meeting
Room Size
20
May 7, 15:00 UTC (1 h)

Additional meetings are held online and are to be announced at least two weeks before.
Meeting ID: 957 8481 1689
Password: MPEGIVisua

NameAhG on MPEG immersive video
GroupWG 4 - MPEG Video Coding
Mandates
1. Prepare text of ISO/IEC CD 23090-12 MPEG immersive video 2nd edition
2. Prepare PWD2 of Conformance and reference software for MPEG immersive video 2nd edition
3. Prepare Profiles under Consideration for MPEG immersive video 2nd edition
4. Define common test conditions for MPEG immersive video
5. Generate and report on MPEG immersive video CTC anchor
6. Prepare Test model 20 for MPEG immersive video
7. Carry out MPEG immersive video 2nd edition core experiments
8. Participate in Video-based visual volumetric coding joint exploration experiments
9. Study new technologies for immersive video coding
10. Promote MPEG immersive video outside of MPEG
11. Prepare manual of the Extrinsic Camera Parameters Calibration framework
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
July 9,10,11 06:00 UTC (2 h)

Additional meetings are held online and are to be announced at least two weeks before.
Meeting ID: 957 8481 1689
Password: MPEGIVisua

NameAhG on AI based 3D graphics coding
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
- Conduct exploration for improved rendering and evaluation method
Chair(s)
Dong Tian
Alexandre Zaghetto
Vladyslav Zakharchenko
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
One online session (jointly with AG 5):
Virtual: 1400-1500, Wed, Jun 26 (UTC)
Room Size

NameAhG on Market Needs
GroupWG 2 - MPEG Technical Requirements
Mandates
Metaverse-related activity 
1) Identify existing MPEG technologies that can serve metaverse-related experiences. (provide use cases and associated technical analysis)
2) Identify potential needs in the metaverse context for efficient media coding technology and related systems technologies. In particular - Enhancements to existing standards - New activities. 
3) Prepare for dissemination the outcome of 1 & 2 to metaverse-related fora (e.g., Metaverse Standards Forum) and the public, including the production of a white paper.
Chair(s)
Gilles Teniou, Tencent (teniou@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
19th Jun. 2024 1pm-2pm UTC (scope Metaverse report & white paper)
Room Size

NameAhG on Low Complexity Enhancement Video Coding (LCEVC)
GroupWG 4 - MPEG Video Coding
Mandates
1. Coordinate management of the LTM software and its distribution
2. Improve LTM software  
3. Coordinate collection of information relative to deployment and availability of MPEG-5 LCEVC and update relative document (if required)
4. Discuss any LCEVC related input documents to WG4 16th meeting
Chair(s)
wgh@dolby.com, Walt Husak (Dolby)
simone.ferrara@v-nova.com, Simone Ferrara (V-Nova)
Duration
Until next WG04 meeting
Reflector(s)
vcexp@lists.aau.at
Subscribe
Email to: vcexp-join@lists.aau.at
Meeting
Meeting on Sunday 14th July 2024 at 4pm local time.
Room Size
15
Additional meetings are held online and are to be announced at least two weeks before the AHG meeting date

NameAhG on Render-based architecture and technical report
GroupWG 2 - MPEG Technical Requirements
Mandates
1.  Contribute to the ongoing effort to merge SMI requirements into the MPEG-I requirements document. 
2.  Refine the requirements for SMI both for Phase 1 and beyond Phase 1 as integrated into the MPEG-I requirements document.
3.  Prepare draft responses to comments received from DTR ballot of Part 27.
4.  Continue to solicit industry engagement.
Chair(s)
arianne.hinds@comcast.net,Arianne T. Hinds
esjang@hanyang.ac.kr,Euee S. Jang
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-render@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-render
Meeting
Biweekly teleconference calls starting on Thursday 16 May 2024 for 90 minutes
In person on Sunday prior to the start of the next MPEG meeting.
Room Size
10
UTC 14:00 to 15:30 or as agreed by AhG members.
All meetings by Zoom to be announced on the reflector and in the MPEG calendar. All meetings using the following Zoom coordinates.
Join Zoom Meeting
https://us02web.zoom.us/j/89797219170?pwd=ajF2MGt3NzNpS0wzSjNDd3BrY0l1QT09
Meeting ID: 897 9721 9170
Passcode: 924787

NameAhG on MPEG-AI
GroupWG 2 - MPEG Technical Requirements
Mandates
Technical report on MPEG-AI
  1.Define the MPEG vision on AI
    -How AI will be used? (compression, other tasks, configurations…)
    -Identify challenges for AI in compression
  2.Identify and document AI-related activities (Technologies and applicable use cases) within MPEG as candidate parts of the MPEG-AI project
  3.Collect associated working assumptions (seek inputs from other WGs)
Requirements
  4. Collect requirements (from mandate 2) related to AI for multimedia
AI indication
  5. Investigate the AI indication and marking methods for media
Chair(s)
Gilles Teniou, Tencent (teniou@global.tencent.com)
Dong Tian,InterDigital (dong.tian@interdigital.com)
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-ai@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-ai
Meeting
28th May2024 (1pm-2:30pm UTC)
AI Indication
Room Size

NameAhG on Lenslet Video Coding (LVC)
GroupWG 4 - MPEG Video Coding
Mandates
1. Prepare the common test condition
2. Coordinate with AG5 for subjective test of CfP evaluation
3. Test on and select the sequences and rate points of CfP
4. Evaluate coding evidences in the viewing session in the next MPEG meeting
5. Prepare the final CfP
Chair(s)
Mehrdad Teratani (Co-chair, Université Libre de Bruxelles)
Xin Jin (Co-chair, Tsinghua Shenzhen International Graduate School)
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: Two joint AhG meetings with AG5 (TBD: Middle of May and Early June)
Viewing session: Saturday or one day during the MPEG week
Room Size
20
F2F: Sunday before the MPEG week
Time: 9:00 – 13:00 local time (Sapporo, Japan)
Zoom link to be announced

NameAhG on scene-based media interchange
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
1. Complete specification of “independent mapping space”;
2. Complete mappings between glTF 2.0 and the Independent Mapping Space;
3. Extend the independent mapping space to either identify or fill in “gaps” that exist between the IMS and glTF 2.0;
4. Define a normative data model to label scene graphs and assets with the entities of the Independent Mapping Space (cf. m64065), and include this model in an Annex to the CD text for Part 28;
5. Define a methodology for how users of Part 28 should use both ITMF and the Part 28 specification, and include this methodology in an Annex to the dis text for Part 28;
6. Develop the draft text of DIS for Part 28 in particular responding to the comments submitted in response to the CD of Part 28.
7. Refine the work plan for Part 28;
8. Continue experiments and tests related to the test data and test methodologies for scene-based media interchange;
9. Continue to collect test data for scene-based media interchange;
10. Prepare a draft TuC for Part 28 in order to capture technologies relevant to mapping to USD, x3d, Unity and Unreal engines.
11. Contribute toward the merge of SMI requirements into the MPEG-I requirements document). 
12. 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 147
Reflector(s)
mpeg-render@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-render
Meeting
Biweekly teleconference calls starting on Thursday 16 May 2024 from 14:00 to 15:30 UTC.

In person on Sunday prior to the start of the next MPEG meeting, from 14h to 18h
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/89797219170?pwd=ajF2MGt3NzNpS0wzSjNDd3BrY0l1QT09
Meeting ID: 897 9721 9170
Passcode: 924787

NameAhG on Implicit Neural Visual Representation (INVR)
GroupWG 4 - MPEG Video Coding
Mandates
1. Investigate state of the art in implicit neural 2D/3D video representation
2. Carry out exploration experiments on implicit neural 2D video representation and compression
3. Carry out exploration experiments on implicit neural 3D visual representation and compression for monocular and multi-view videos
4. Develop code base for implicit neural 2D/3D video representation and compression
5. Gather 2D/3D video datasets to use as test material during the exploration phase
6. Prepare the requirement document and use cases for implicit neural 2D/3D video representation
Chair(s)
Yiyi Liao (Co-chair, yiyi.liao@zju.edu.cn)
Gun Bang (Co-chair, gbang@etri.re.kr)
Duration
until next WG 4 meeting
Reflector(s)
mpeg-video@lists.rwth-aachen.de
Subscribe
https://lists.rwth-aachen.de/postorius/lists/mpeg-video.lists.rwth-aachen.de/
Meeting
14th July (afternoon), in person
Room Size
30
12th June (1pm-3pm UTC), online
10th July (1pm-3pm UTC), online
TBD

NameAHG on MPEG-I Scene Description
GroupWG 3 - MPEG Systems
Mandates
1.	Work with the audio group WG06 on progressing the integration of MPEG-I audio into the MPEG-I SD taking into account WG06 output documents and the SD TuC WG3.
2.	Progress the work as agreed in the next steps for Scene Description taking into account the technologies in the TuC in WG03_N1208
3.	Prepare the standardization process in Scene Description to address the MPEG-I phase 3 requirements, in particular for Avatar as published in WG02_N0359.
4.	Dispose issues in internal and public git environment
5.	Collect/coordinate test assets that support the development of the MPEG-I Scene description work according to the procedure document including the applicability of referenced data sets for our purposes – in collaboration with 5G-MAG.
6.	Create conformance files to be shared with the FF group
7.	Submit the Second Edition extensions to Khronos 
8.	Work on conformance and reference software based on procedures, progress and WD, and progress the issues in reference software (http://mpegx.int-evry.fr/software/MPEG/Systems/SceneDescription/software/reference/-/issues) and carriage (http://mpegx.int-evry.fr/software/MPEG/Systems/SceneDescription/software/23090-24-carriage/-/issues)
9.	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
10.	Collect information on ongoing scene description related work in the industry and in other groups and organizations and promote MPEG-I Scene Description, in particular to Khronos, Metaverse Standards Forum 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#147
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 June 3, 2024 13:30 – 15:00 UTC (15:30 – 17:00 CEST) 
•	Call: Monday June 24, 2024 13:30 – 15:00 UTC (15:30 – 17:00 CEST)
  o 	From 15:15 UTC onwards WG06 joins for Audio.
  o	Additional participation of WG06 will be discussed during this slot
•	F2f: Sunday April 21, 2024 15:00 – 18:00 local

Note:
•	3GPP SA4#128, May 20 – May 24, 2024 (Jeju, KR)
•	Thomas vacation May 26 - 30
•	MPEG#147, July 15-19, 2024, Sapporo, Japan
•	Media Web Symposium, Jun 10 - 14, 2024 (Berlin, DE)



Logistics
• Zoom: http://iso.zoom.us/my/stockhammer, Passwd as of MPEG#146
• Chairs create issues in gitlab to collect comments.
• If MPEG#147 repository is not yet available, use MPEG#146 repository.

Calendar
- Subscription link for MPEG AHG Calls:  http://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 suggest improvements to the potent. improved of 6th edition DIS (WG03N1220)
2. Study technologies under consideration (TuC; WG03N1184) and defect under investigation (DuI; WG03N1214)
3. Study and suggest improvements to the potent. improved of Part 9 2nd DIS (WG03N1232).
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
One conf calls:

   - May 3rd, 19-21 CEST, on REAP 2nd DIS finalization.
Room Size
Zoom link: https://iso.zoom.us/j/4158105690
Password: In mpeg calendar

NameAhG on MPEG File Formats
GroupWG 3 - MPEG Systems
Mandates
1.	Discuss and address the Github and Gitlab issues.
2.	Support the groups using the file formats (including audio, DASH, CMAF, OMAF, MIAF, V3C systems, Haptics, NBMP et al.)
3.	Study the Technologies under Consideration, including to propose trimming of outdated proposals, and Working Draft documents and propose improvements. Study the defect reports and propose corrigendum text.
4.	Study the proposed clarifications on the definition of brands and the use of versions, particularly in the ISO base media file format, and suggest improvements.
5.	Maintain and update the conformance streams, reference software, white papers and one-pagers, and registration authority, as needed. Study whether conformance checking can be (maybe partially) automated, and how the specifications and conformance can be managed as a coordinated workflow. Study the license of the reference software and possible change of license or alternatives.
6.	Study processes to improve cross-verification of MPEG file format standards and continue the discussion on m60397
7.	Explore alignment of DASH/CMAF/FF terminology, concepts and solutions, in particular the multi-track question
8.	Study the extension to the codecs parameter for NALU-based tracks
Chair(s)
Cyril Concolato  and Miska Hannuksela
Duration
Until next meeting
Reflector(s)
mp4-sys@lists.aau.at
https://github.com/MPEGGroup/FileFormat
Subscribe
https://lists.aau.at/mailman/listinfo/mp4-sys
Meeting
•	Online meeting to address GitHub issues/GitLab issues (end of May)
•	Online meeting to discuss Codecs parameter (end of June)
•	Online meeting to draft the DoC for ISOBMFF 8th edition (early July)
•	2 online meetings on ISO/IEC 23001-17 (week of May 20, week of June 17)
Room Size

NameAhG on IoMT
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
1. Advance in preparing reference software for the new technologies
2. Study and propose editorial improvements for current editions
3. Study the national bodies comments on ISO/IEC DIS 23093-5
4. Solicit further contributions for distributed processing of multimedia content with AI
5. Request technical contribution for extending MPEG-V Part 4 (Virtual World Object Characteristics)
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
Sun before 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
•	Conduct activities to improve V-PCC Reference SW
•	Conduct the V-PCC experiments for future enhancements
•	Propose corrections for identified issues in the V3C and V-PCC specifications
•	Coordinate scientific and technical dissemination of V-PCC
•	Coordinate communications of V-PCC to fairs, exhibitions, workshops, webinars
•	Solicit contributions to encapsulate V-PCC 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 editing of the V-DMC text of CD
•	Coordinate activities on Mesh use cases and requirements
•	Solicit additional data sets for all categories
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
F2F meeting Sunday before the next MPEG meeting (from 9h00 to 18h00)

NameAhG on Geometry-based Point Cloud Compression
GroupWG 7 - MPEG Coding of 3D Graphics and Haptics
Mandates
1. Coordinate the editing for the G-PCC 2nd edition
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 on Video Coding for Machines
GroupWG 4 - MPEG Video Coding
Mandates
1. Prepare output documents.
2. Release VCMRS v0.9 software.
3. Conduct Core Experiments, GTS, and CTC study
4. Continue developing VCM technologies.
5. Continue developing VCM WD.
6. Continue investigating evaluation methodologies, metrics, and cross-check procedure.
7. Continue collecting and refining test and training materials, including ground truth.
8. Collaborate with the WG4 FCM AhG and WG5 AhGs 8 and 9.
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
Face-to-face all day: Sunday July 14.
Room Size
60
May 3: Call on CTC study finalization.

NameAhG on MPEG Roadmap
GroupWG 2 - MPEG Technical Requirements
Mandates
1. Update the MPEG roadmap in different formats (Word, long PPT, short PPT,
video, web) according to the periodical schedule and the BoG report notes.

2. Harmonize the roadmap activity with the re-branding activity in MPEG
Chair(s)
Arianne Hinds (Tencent) ahinds@tencent.com
Igor D.D. Curcio (Nokia) igor.curcio@nokia.com
Sachin Deshpande (Sharp) sdeshpande@sharplabs.com
Duration
Until the next MPEG meeting
Reflector(s)
mpegvision@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpegvision
Meeting
One conference call to be announced 2 weeks in advance (on need basis).
Room Size

Ad hoc groups from other meetings:
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: