Ad hoc groups

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

Ad hoc groups of MPEG 138

NameAhG on Smart Contracts for Media
Mandates
1.	Study and solicit contributions for MPEG-21 CEL/MCO contracts to smart contracts conversion for DLTs beyond the supported ones 

2.	Study and solicit contributions on, e.g., technologies, architecture and APIs towards a Decentralised Media Rights Ecosystem, including:
o	Smart contracts and DLTs
o	Rights and metadata management
o	Content and creator IDs
o	File formats and streaming protocols

3.	Produce a Technologies under Consideration (TuC) document
Chairmen
Panos Kudumakis and Xin Wang
Duration
Until the 139th MPEG meeting
Reflector(s)
smart-contracts@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/smart-contracts
Meeting
Biweekly calls starting Wed 11 May 2022, all at 13:00 UTC (2 h)
Room Size

NameAhG on Video Coding for Machines
Mandates
Track 1 - Feature extraction and compression tasks
1. Clearly identify and validate the use cases for feature extraction and compression
2. Refine the requirements related to feature extraction and compression
3. Refine a single set of common agreed anchors to be used in the CfE with the aim of finalization by MPEG 139
4. Establish a repository for CfE materials for respondents
5. Finalize the Draft CfE document

Track 2 - Image and video compression tasks
1. Solicit responses to the CfP
2. React to any issues with the CfP
3. Study multi-task evaluation
4. Continue collecting and evaluating test and training materials
5. Continue refining common test conditions and reporting template
Chairmen
Track 1:
Chris Rosewarne (Canon) chris.rosewarne@canon.com.au
Yuan Zhang (China Telecom) zhangy666@chinatelecom.cn 
Track 2:
Christopher Hollmann (Ericsson) christopher.hollmann@ericsson.com
Shan Liu (Tencent) shanl@tencent.com
Duration
Until the 139th MPEG meeting
Reflector(s)
mpeg-vcm@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-vcm
Meeting
Bi-weekly conference calls will be arranged on the track basis before the MPEG 139 (time to be announced)
AhG meetings: 0500-0700, 1300-1500 UTC Wednesday,1300-1500, 2100-2300 UTC Thursday, 1300-1500 UTC Friday before MPEG-139
Room Size
100

NameAhG on Render-based architecture and technical report
Mandates
1. Continue to draft the text of MPEG-I Part 27 technical report.
2. Ensure that the technical report is improved based on comments received during MPEG 138.
3. Modify the use case document to explicitly identify how each use case relates to work that is done in MPEG, i.e., in either new or existing specifications.
4. Continue to refine the requirements documents both for Phase 1 and beyond Phase 1 of render-based 3D technologies.
5. Continue to solicit industry engagement.
Chairmen
Arianne T. Hinds (arianne.hinds@comcast.net), Peter Ludé (pete@missionrockdigital.com)
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 12 May 2022 for 90 minutes
Room Size
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 Zoom information: https://us02web.zoom.us/j/81700733965?pwd=M1NmZ2pNUDFnR3haamdkWE44a1hYUT09

Meeting ID: 817 0073 3965
Passcode: 099138

NameAHG on Font Format
Mandates
1. Review the text of the updated Working Draft of ISO/IEC 14496-22 (5th edition).
2. Explore potential future changes and updates, and propose new items (if applicable) for consideration in the 5th edition of the OFF specification.
Chairmen
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 MPEG Use Cases and 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 Part 1 Technical Report to regularly align with the progress of MPEG-I suite standards. 
4. Progress guidelines on the drafting of WG2 requirements.
5. Progress MPEG-I Phase 2 requirements.
Chairmen
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 Systems Technologies for Volumetric Media
Mandates
1. Study and solicit contributions to improve 23090-10, 23090-18 and their amendments
2. Discuss open issues in MPEG Git (http://mpegx.int-evry.fr/software/MPEG/Systems/PCC-SYS) and propose recommended dispositions
3. Study commonalities among 23090-2, 23090-10 and 23090-18 and propose common metadata definition to be moved to 23090-7 
4. Study reference software and conformance for 23090-10 and 23090-18  and solicit contribution to improve them. 
5. Study 23090-27 and 23090-28 related documents and solicit contributions regarding systems technologies for them.
Chairmen
Youngkwon Lim, Lauri Ilola
Duration
until the 8th MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
http://lists.aau.at/mailman/listinfo/gen-sys
Meeting
- biweekly conference calls (detail information will be announced to the gen-sys reflector)
Room Size

NameAhG on Video Decoding Interface
Mandates
1. To study DIS and TuC, and solicit contributions to improve it
2. To disseminate to JVET the DIS of Video Decoding Interface for Immersive Media
3. To solicit contributions to improve the proposed input formatting library on gitlab (https://gitlab.com/mpeg-i/video-decoding-interface/libbeam)
4. To solicit open source implementation of OpenMAX, MSE or Vulkan to be used as a starting point of implementation of VDI extensions.  
6. To solicit the contributions to improve SEI messages for input formatting function
Chairmen
Youngkwon Lim, Emmanuel Thomas, Thomas Stockhammer
Duration
Until the 8th MPEG Systems WG meeting
Reflector(s)
gen-sys@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/gen-sys
Meeting
no meeting
Room Size

NameAhG on MPEG File Formats
Mandates
1.	Discuss and address the Github and Gitlab issues.
2.	Support the groups using the file formats (including audio, DASH, CMAF, OMAF, MORE, MIAF, PCC, NBMP et al.)
3.	Study the Technologies under Consideration 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, particularly in the ISO base media file format, and suggest improvements.
5.	Study improvements to movie fragments especially when recording e.g. at gateways, and dynamic tracks.
6.	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 using Kaitai or automated parsers, and how the specifications and conformance can be managed as a coordinated workflow. 
7.	Check the specifications for unregistered MIME types and parameters and start registering them. Audit files as needed for the MP4RA.
8.	Consider the designs for renderable text in the HEIF format.
9.	Refine the design for the carriage of uncompressed video
Chairmen
Cyril Concolato (Netflix) and Miska Hannuksela (Nokia)
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
Room Size
A meeting (mid June, 2h online) to produce Draft DoC for 14496-12

NameAHG on Application Formats
Mandates
CMAF (Common Media Application Format)
1. Study the TuC/DuI and the Exploration documents and solicit further input
2. Clarify the text regarding edit list
3. Study the potential issues regarding width and height fields
4. Solicit further contributions on CMAF conformance and test vectors
5. Solicit feedback on the open issues on GitHub and GitLab 

MIAF (Multi-Image Application Format)
1. Study the WD and solicit further input
2. Solicit feedback on the open issues on GitHub and GitLab
Chairmen
Krasimir Kolarov; Cyril Concolato
Duration
until 139th meeting
Reflector(s)
CMAF - mpeg-cmaf@lists.aau.at
MIAF, VIAF - mpeg-maf-dev@lists.aau.at
Subscribe
CMAF - https://lists.aau.at/mailman/listinfo/mpeg-cmaf
MIAF, VIMAF - https://lists.aau.at/mailman/listinfo/mpeg-maf-dev
Meeting
Room Size
AF Conference call, July 14, 2022, 16:00-17:00 UTC

NameAhG on Render-based 3D technologies
Mandates
1. Establish the entities of the “independent mapping space” between ITMF and other scene representations, e.g., Unity and Unreal Engine;
2. Identify ITMF nodes and attributes corresponding to the abstract entities from the “independent mapping space”;
3. Identify Unreal and Unity Engines data structure corresponding to the abstract entities from the “independent mapping space”;
4. Identify MPEG codecs corresponding to the abstract entities from the “independent mapping space”;
5. Study (encoding) options for handling ITMF nodes and attributes that are not good candidates for mapping into an independent mapping space.
6. Provide input to MPEG 139 on results conducted toward identifying an independent mapping space.
7. Provide input to MPEG 139 that will recommend next steps for the development of other specifications that can aid in the efficient delivery of the ITMF with MPEG extensions to a render-based client over a network.
8. Refine the requirements identified for MPEG Phase 1 (WG2N00203) and for beyond Phase 1 (WG2N00204).
9. Continue to solicit industry engagement.
Chairmen
Arianne T. Hinds (Arianne.hinds@comcast.net), Peter Ludé (pete@missionrockdigital.com)
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 12 May 2022 for 90 minutes
UTC 14:00 to 15:30 or as agreed by AhG members.
Room Size
All meetings by Zoom to be announced on the reflector and in the MPEG calendar.

All meetings using Zoom information: https://us02web.zoom.us/j/81700733965?pwd=M1NmZ2pNUDFnR3haamdkWE44a1hYUT09

Meeting ID: 817 0073 3965
Passcode: 099138

NameAhG on Omnidirectional MediA Format (OMAF)
Mandates
1) Issue technologies under consideration for OMAF
2) Preparation of OMAF version 2 reference software and conformance
3) Study the potential improvements of immersive media metrics 
4) Study the server-side dynamic adaptation and rendering requirements of MPEG-I phase 2
5) Maintain relationship with relevant SDOs, e.g., VRIF, 3GPP SA4
Chairmen
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
Online AHG meeting (as required) will be announced 2 weeks in advance
Room Size

NameAhG on Haptics Support in MPEG
Mandates
1.	Monitor progress of the next round of Core Experiments (three CE proposals in separate branches).
2.	Collect new test content for validating the RM codec revisions.
3.	Monitor implementation of the two haptics-related glTF extensions, MPEG_haptic and MPEG_material_haptic.
4.	Continue to refine test platforms and test content proposals for Phase 2A and Phase 2B.
5.	Review incoming Liaisons m59838 (from ITU-T SG16) and m59845 (from 3GPP SA1) and formulate a response, if deemed necessary, to be issued at MPEG139.
Chairmen
Yeshwant Muthusamy (ymuthusamy@immersion.com), Philippe Guillotel (Philippe.Guillotel@InterDigital.com)
Duration
Until MPEG139
Reflector(s)
mpeg-haptics@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-haptics
Meeting
Weekly calls starting May 10, 2022, at 1400 UTC. Dial-in details will be provided.
Room Size
N/A

NameAhG on MPEG DASH
Mandates
1. Study and improve Part 1 Potential improvements of DAM1 (WG3 0541) and AMD2 Working Draft (WG3 0559)
2. Study technologies under consideration (TuC; WG3 0547) and defect under investigation (DuI; WG3 0537)
3. Continue to work on conformance and reference software
4. Study the fast tune-in use case and various proposals in TuC including whether the use of Content-disposition and multipart body together in HTTP GET response conforms to the HTTP standard and practices
5. Finalize the signaling and improve the corresponding text in the AMD2 Working draft for supporting picture-in-picture
6. Study Part 1 Annex I, its usability, its extensibility and provide a path for extending its support.
7. Investigate the audio decode during the period transition as indicated in TuC
8. Study and improve the signaling and client processing of events as in TuC and DuI and solicit feedback from the industry on the use of events.
Chairmen
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
Conf calls:

-	Friday prior to MPEG#139, 17-18:30 UTC, Preparation call for MPEG#139
Room Size
Zoom link: https://iso.zoom.us/j/4158105690 
  Password in MPEG's Nextcloud calendar.

NameAhG on Network-Based Media Processing
Mandates
1 Improve the TuC (WG03 N0527)
2. Improve and update NBMP Implementation Guidelines DTR (WG03 N0580) including aligning it with NBMP 2nd edition FDIS
3. Provide implementibility evidence for reference function templates of the 2nd edition
4. Solicit inputs on the conformance software and test vectors, and OpenAPI descriptions and develop a work plan for them
5. Develop the plan for collaboration with other relevant SDOs, e.g., 3GPP SA4, ATSC, ETSI MEC, and OpenStack Foundation
6. Solicit new NBMP use-cases and applications for the future development of the standard
Chairmen
Kyungmo Park (SK Telecom), and Iraj Sodagar (Tencent)
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-nbmp@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-nbmp
Meeting
No meeting
Room Size

NameAHG on Compression of Neural Networks for Multimedia Content Description and Analysis
Mandates
1. Maintain data sets and INCTM
2. Investigate application of NNC to further use cases (e.g., VCM and AI-based PCC)
3. Study relation of NNC to communication patterns in federated learning
4. Continue interaction with SC42, FG ML5G, NNEF, ONNX and the AI/ML community
Chairmen
Werner Bailer (chair, werner.bailer@joanneum.at)
Sungmoon Chun (vice-chair, smchun@insignal.co.kr)
Wei Wang (vice-chair, rick.weiwang@alibaba-inc.com)
Duration
until next MPEG meeting
Reflector(s)
mpeg-nnr@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-nnr
Meeting
Room Size
Thu/Fri before next MPEG meeting

NameAhG on Carriage of Green Metadata
Mandates
1. Study extensions of 23001-11 on decoding complexity metrics for decoder-power reduction
2. Study extensions of 23001-11 on metrics for quality recovery after low-power encoding
3. Study extensions of 23001-11 on signalling for remote decoder-power reduction 
4. Consolidate the DIS specification of 23001-11 3rd edition and prepare FDIS
5. Prepare software implementation of the Green Metadata for VVC
Chairmen
Edouard Francois (InterDigital), Christian Herglotz (FAU), 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 MPEG immersive video
Mandates
1. Study the CD of MIV conformance and reference software
2. Prepare preliminary WD2 of ISO/IEC 23090-12 MPEG immersive video Ed. 2
3. Prepare verification tests for MPEG immersive video
4. Define common test conditions for MPEG immersive video
5. Carry out exploration experiments on MPEG immersive video
6. Carry out joint exploration experiments on Video-based visual volumetric coding
7. Call for MPEG immersive video test materials
8. Promote MPEG immersive video outside of MPEG
9. Study new technologies for immersive video coding
Chairmen
Bart Kroon (Philips) (chair)
Vinod Malamal Vadakital (Ofinno) (vice-chair)
Joel Jung (Tencent) (vice-chair)
Duration
Until the next MPEG meeting
Reflector(s)
Announcements: mpeg-i-visual@lists.aau.at
Offline discussion: http://mpegx.int-evry.fr/software/MPEG/MIV/InputDocuments
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-i-visual
Meeting
MIV: May 10, 24, June 7, 21, July 5, 12, 14
MIV + AG 5: July 11 to prepare REV
MIV + AG 5: July 13 to conduct REV
Room Size
Zoom
All meetings are 15:00 – 16:30 UTC unless specified otherwise
Meeting ID: 957 8481 1689
Password: MPEGIVisua

NameAHG on Genomic Information Representation
Mandates
1.	To contribute to the execution of the Core Experiments identified in Description of Core Experiments on Graph Genomes and work towards detailing the support for clinical data interchange
2.	To contribute to the improvements of the Study of Text FDIS 23092-6
3.	To contribute to the development of a 3rd edition of 23092-1, 23092-2 and 23092-4 to support Part 6 and the new technologies identified by the answer to the call for technology
4.	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
5.	To finalize the reference software
6.	To compile common test conditions for the evaluation of MPEG-G performance
7.	To collect additional test data useful to be used for assessing technologies related to the submissions to the CfP
8.	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
9.	To contribute to the further development of the Performance Benchmarking study and related publications
10.	To discuss and coordinate WG8 contributions to relevant bioinformatics conferences and events.
11.	Investigate use cases and standard support from ISO TC34 SC16 and SC9 in collaboration with ISO TC 34 members
12.	Investigate the possible compatibility between TC 276 ISO 23494 [Biotechnology – Provenance information model for biological material and data] and 23092-3
Chairmen
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
25
As needed, meetings for the coordination of the development of the reference SW and performance benchmark will be scheduled and the Thursday and Friday prior to the WG8 meeting from 1 PM CET to 7 PM CET

NameAhG on Learning-based Quality Metrics for 2D Video
Mandates
1. Maintain the output document “Learning-based quality metrics and 2D video databases under study”; 
2. Compile and maintain the list of video databases suitable and available to be used in AG5’s study, including those from remote experts viewings; 
3. Compile and maintain the list of learning-based quality metrics for 2D video to be studied;
4. Evaluate the correlation between the learning-based quality metrics and subjective quality scores in the databases, and suggest potential refinements to remote experts viewing protocols;
5. Study the suitability of learning-based quality metrics for evaluating compression performance.
Chairmen
Yan Ye (Alibaba), Joel Jung (Tencent), Mathias Wien (RWTH Aachen University)
Duration
until the next AG5 meeting
Reflector(s)
mpeg-vqa@lists.rwt-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 Guidelines for Subjective Visual Quality Evaluation
Mandates
1. Maintain the output document on “Guidelines for verification testing of visual media specifications”;
2. Maintain the output document on “Guidelines for remote experts viewing sessions”;
3. Consider extensions of the guidelines for remote experts viewing for more test types.
Chairmen
Mathias Wien (RWTH Aachen University), Lu Yu (Zhejiang University), Joel Jung (Tencent)
Duration
until the next AG5 meeting
Reflector(s)
mpeg-vqa@lists.rwt-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 MPEG-I Scene Description
Mandates
1.	Complete the analysis of the capabilities of ISO/IEC 23090-14 (first edition) against the requirements for MPEG-I Scene description WG3 N0532
2.	Review the frozen MPEG-I Requirements related to scene description and include relevant ones to MPEG-I Requirements document.
3.	For each extension in the FDIS complete the registration form as glTF2.0 extension and communicate with Khronos (WG3 N0542).
4.	Address the integration of V-PCC, G-PCC, V3C, MIV and other MPEG codecs and technologies into Scene Description jointly with 3DG/video/systems/audio based.
5.	Conduct the evaluation experiments on as defined in WG3 N0540
6.	Collect/coordinate test assets that support the development of the MPEG-I Scene description work according to WG3 N0565.
7.	Work on conformance and reference software based on procedures (WG3 N0565) and progress the WD (WG3 N0544)  .
8.	Collect information on ongoing scene description related work in the industry and in other groups and organizations and promote the MPEG-I Scene Description.
9.	Communicate with Khronos on the MPEG extensions and other relevant topics related to Scene Description
10.	Prepare a White Paper on Scene Description for MPEG#139
Chairmen
Thomas Stockhammer (tsto@qti.qualcomm.com)
Mary-Luc Champel (champelmaryluc@xiaomi.com)
Duration
Until MPEG139
Reflector(s)
mpeg-i-scene@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-i-scene
 
Please check gitlab discussions here:
http://mpegx.int-evry.fr/software/MPEG/SceneDescription/MPEG-Contributions/issues
Meeting
AHG Calls
•	Monday May 23, 2022 13:30 – 15:00 UTC (15:30 – 17:00 CEST)
•	Monday May 30, 2022 13:30 – 15:00 UTC (15:30 – 17:00 CEST)
•	Monday June 13, 2022 13:30 – 15:00 UTC (15:30 – 17:00 CEST)
•	Monday June 27, 2022 13:30 – 15:00 UTC (15:30 – 17:00 CEST)
•	Friday July 15, 2022 13:30 – 15:00 UTC (15:30 – 17:00 CEST)

Note:
•	3GPP SA4#119 May 11-20, 2022

Logistics
-	Zoom: http://iso.zoom.us/my/stockhammer, Passwd as of MPEG#138
-	Chairs create issue in gitlab to collect comments.
-	If MPEG#139 repository is not yet available, use MPEG#138 repository.


Logistics
-	Zoom: http://iso.zoom.us/my/stockhammer, Passwd as of MPEG#138
-	Chairs create issue in gitlab to collect comments.
-	If MPEG#139 repository is not yet available, use MPEG#138 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

NameAhG on MPEG & 5G
Mandates
1. Study of 5G use cases, requirements, specifications and new work items that could be relevant to MPEG work.

2. Identify potential new MPEG activities that can help the industry deploy applications, including media services, over 5G.

3. Provide initial requirements for the identified new MPEG activities.

4. Solicit contributions on a document including 3GPP XR use cases in order to
gather typical traffic characteristics of media types from WGs 4,5,6,7.

5. Study the presentations of the ITU workshop on AI and Multimedia (January 2022) and derive possible relations about the AI topics between MPEG and 3GPP.

6. Review 3GPP documents for searching QoS KPIs for split rendering.

7. Follow-up and report on the FS_AI4Media, MeCAR and IBACS activities from the 3GPP SA4 WG.
Chairmen
Igor D.D. Curcio (Nokia) igor.curcio@nokia.com
Emmanuel Thomas (Xiaomi) thomase@xiaomi.com
Duration
Until the next MPEG meeting
Reflector(s)
mpeg-and-5g@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-and-5g
Meeting
One conference call to be announced 2 weeks in advance
Room Size

NameAhG on MPEG Roadmap
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. Gather input from the WG convenors about Annex B and C of the Word doc.
3. Search for a past MPEG survey and see how it could be re-used for a new survey
Chairmen
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
Room Size

NameAHG on MPEG-I Immersive Audio and Audio Maintenance
Mandates
1.	Execute Workplan on MPEG-I Immersive Audio
2.	Conduct Core Experiments on MPEG-I Immersive Audio
3.	Maintain Audio-related text, conformance data and reference software
Chairmen
Schuyler Quackenbush (ARL) srq at audioresearchlabs . com
Duration
Until 8th WG 6 Meeting
Reflector(s)
mpeg-audio-call@audioresearchlabs.com
Subscribe
•	To subscribe or unsubscribe to the list, send email to
the AhG Chair
•	To post on the mailing list, send email to
 mpeg-audio-call@ audioresearchlabs.com 
Note that posting is blocked for non-members
Meeting
Yes
Room Size
Meeting Dates: 	: 
May 25, 1400-1600 UTC (to review CDAM 2, Loudness Leveling)
June 8, 22, July 6, 20, August 3, 17, 1400-1500 UTC (to review software development process, meeting to be held if necessary)
Meeting URL given in WG6 N0135

NameAhG on Lenslet Video Coding (LVC)
Mandates
1. Carry out exploration experiments on lenslet video coding
2. Collect information of codec agnostic tools on lenslet video coding
3. Prepare a technical report on lenslet video coding activities
Chairmen
Mehrdad Teratani (Université Libre de Bruxelles)
Xin Jin (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
5 July 2022
14, 15 July 2022
Room Size
All meetings are 12:00 - 14:00 UTC unless specified otherwise

NameAhG on Video-based Graphics Coding
Mandates
1. Update the V-PCC TMs (SW and documentation) during the editing period
2. Conduct activities to improve V-PCC Conformance and V-PCC Reference SW
3. Conduct the V-PCC experiments for future enhancements
4. Propose corrections for identified issues in the V-PCC specifications
5. Solicit additional data sets for all categories
6. Coordinate scientific and technical dissemination of V-PCC
7. Coordinate communications of V-PCC to fairs, exhibitions, workshops, webinars, and enrich www.mpeg-pcc.org with relevant information about V-PCC, enrich Wikipedia pages on V-PCC
8. Solicit contributions to encapsulate V-PCC in scene graph 
9. Coordinate activities on dynamic mesh use cases and requirements
10. Carry out joint exploration experiments on Video-based Visual Volumetric Coding
11. Conduct the experiments for video-based dynamic mesh coding
12. Encourage contributions on architecture and design on the test model based on P11
13. Solicit contributions on “pre-processing topic”
Chairmen
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.
Room Size

NameAhG on Geometry-based Point Cloud Compression
Mandates
1. Coordinate the editing for the G-PCC 2nd edition
2. Update the TMs (SW and documentation) during the editing period
3. Update G-PCC Conformance bitstream and G-PCC Reference SW 
4. Establish a set of best anchors, per content category and coding conditions, independent to the underlying encoding tools
5. Conduct the G-PCC experiments for future enhancements
6. Evaluate the coding tools in Exploration Model in comparison with G-PCC 
7. Solicit contributions on additional G-PCC use cases
8. Coordinate scientific and technical dissemination of G-PCC
9. Coordinate communications of G-PCC to fairs, exhibitions, workshops, webinars.
10. Solicit additional data sets for all categories
11. Prepare the content for the Call for Dataset for Lidar applications and identify the SDOs and key players for communications.
12. Coordinate editing of the G-PCC White Paper
Chairmen
Ohji Nakagami (Chair), Toshiyasu Sugio, Sebastien Lasserre
Duration
Until the next MPEG WG7 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 during the week before the next MPEG meeting.
Room Size

NameAhG on IoMT
Mandates
1. Solicit contributions on IoMT technologies and use cases for additional characteristics to be used by external services/systems 
2. Prepare additional examples for the usage of the technologies in Part 5 for serving the IoMT use-cases
3. Continue the exploration on the usage of AI in conjunction with IoMT
4. Solicit contribution for preparing CD for Parts 1, 2 3rd Ed and Part 5 1st Ed
5. Solicit contribution for preparing WD for Parts 3 3rd Ed and Part 6 1st Ed
Chairmen
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
Meeting
Several online sessions during the week before the next MPEG meeting.
Room Size

NameAhG on AI based 3D graphics coding
Mandates
1. conduct AI exploration experiments for PCC
2. analyse and collect relevant dataset for AI based PCC
3. explore new AI solutions for PCC
4. collect requirements and use cases for AI based solutions for 3D graphics coding
Chairmen
Dong Tian (chair), Alexandre Zaghetto, Vladyslav Zakharchenko
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.
Room Size

NameAhG on Encoder and Packager Synchronization
Mandates
1.	Continue working on the WD with the aim of defining which specifications need to be created or amended.
2.	Have at least two conference calls (first week of June and the week before the next MPEG meeting).
3.	Review unaddressed requirements and solicit contributions on them
Chairmen
Rufael Mekuria
Alex Giladi
Khaled Jerbi
Duration
Until the next meeting
Reflector(s)
synched-encoding@lists.aau.at
Subscribe
https://lists.aau.at/mailman/roster/synched-encoding
Meeting
June 2 16 UTC
July 12th 16 UTC
Room Size
Zoom links: To be posted in the reflector
Online

NameAhG on Essential Video Coding
Mandates
1. Coordinate ISO/IEC 23094-1 AMD 1 preparation and processing;
2. Coordinate management of the ETM software and its distribution;
3. Discuss EVC related input documents to WG4 8th meeting.
Chairmen
Roman Chernyak (chernyak@tencent.com)
Min Woo Park (m.w.park@samsung.com)
Duration
Until next WG04 meeting
Reflector(s)
mpeg-5@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/mpeg-5
Meeting
Friday before next WG04 meeting
Room Size
online

NameAhG on Low Complexity Enhancement Video Coding
Mandates
1. Coordinate management of the LTM software and its distribution
2. Coordinate collection of information relative to deployment and availability of MPEG-5 LCEVC and update relative document (if required)
3. Coordinate preparation of draft document outlining framework and process for a possible exploration phase
4. Discuss any LCEVC related input documents to WG4 8th meeting
Chairmen
Walt Husak (Chair), Simone Ferrara (Vice-Chair)
Duration
Until the next WG4 meeting
Reflector(s)
vcexp@lists.aau.at
Subscribe
https://lists.aau.at/mailman/listinfo/vcexp
Meeting
Zoom call may be held ahead of meeting - will be announced with a two-weeks notice period via reflector
Room Size

Ad hoc groups from other meetings:
MPEG 138, MPEG 137, MPEG 136, MPEG 135, MPEG 134, MPEG 133, MPEG 132, MPEG 131