Ad hoc groups

1. Prepare and finalize summary report on CVQM-UHD subjective quality assessment experiments;
2. Aggregate, consolidate and extend information about quality metrics provided in m74357 and prepare a draft report as input contribution to the next meeting;
3. Study the feasibility of extending CVQM to include HDR content;
4. Study the correlation between objective quality metrics and subjective quality scores using the CVQM dataset as well as suitable public datasets;
5. Study the suitability of learning-based quality metrics for evaluating compression performance.

Yan Ye, Zhibo Chen, Benjamin Bross, Mathias Wien

until the next AG 5 meeting

mpeg-vqa@lists.rwth-aachen.de

https://lists.rwth-aachen.de/postorius/lists/mpeg-vqa.lists.rwth-aachen.de/

Meetings are held online and are to be announced at least two weeks before the AHG meeting date.

1. Study and collect proposals for advancing the Part 1 AMD PD(WG03N1659) and WD of Part 7 (WG0N1659)
2. Study technologies under consideration (TuC; WG03N1614) and defect under investigation (DuI; WG03N1568)
3. Provide a white paper draft describing the 6th ed new features and how they can be used for various applications. 
4. Continue to work on conformance and reference software

Iraj Sodagar, Ali C. Begen

Until the next MPEG meeting

dash@lists.aau.at

https://lists.aau.at/mailman/listinfo/dash

Calls:

1. Continue the gap analysis of the existing MPEG ISOBMFF and DASH standards for addressing WG03N1631 requirements.
2. Continue the gap analysis of other MPEG standards and non-MPEG standards for addressing WG03N1631 requirements when used in conjunction with MPEG ISOBMFF and DASH. 
3. Define media authenticity workflows for WG03N1631 use cases identifying the process by various actors and entities, and required functionalities and interfaces between them.
4. Investigate if each of the following standards requires a generic solution for carriage and signaling of the media authentication and provenance metadata
     a. ISOBMFF/CMAF
     b. DASH
     c. MPEG 2TS
5. Collaborate with the relevant organizations such as C2PA, EBU and SVTA/DASH-IF on the media authentication

Iraj Sodagar, Youngkwon Lim

Until the 20th MPEG Systems WG meeting

gen-sys@lists.aau.at

http://lists.aau.at/mailman/listinfo/gen-sys

Meeting 1: 
    - If the room is available, Dec 5, 17-18 UTC, New York City (Hybrid)
    - Otherwise Dec 9, 17-18 UTC, online

Meeting 2: Jan 13, 17-18 UTC, zoom


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

Password can be found on the mpeg calendar.

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.

Mathias Wien, Lu Yu, Joel Jung

until the next AG 5 meeting

mpeg-vqa@lists.rwth-aachen.de

https://lists.rwth-aachen.de/postorius/lists/mpeg-vqa.lists.rwth-aachen.de/

Meetings are held online and are to be announced at least two weeks before the AHG meeting date.

1. consolidate ISO/IEC 23001-11 Ed.3 AMD2
2. start the new amendment for ISO/IEC 23001-11 Ed.3 AMD3
3. continue to consolidate and improve of ISO/IEC 23001-19 Carriage of green metadata
4. study the transport of MPEG-GREEN Access Units over MPEG-2 systems (ISO/IEC 13818-1 aka. Rec. ITU-T H.222.0) and solicit contributions that improve ISO/IEC JTC 1/SC 29/WG 3/N 1517

Olivier Le Meur, Christian Herglotz

Until next MPEG meeting

gen-sys@lists.aau.at – use [green] in email header

http://lists.aau.at/mailman/listinfo/gen-sys

Several online sessions before the next MPEG meeting if necessary

1.	Work on Amd1 of MPEG-I immersive audio
2.	Study and progress the integration of MPEG-I immersive audio into WG 3 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.	Prepare verification test for MPEG-I immersive audio
6.	Study and progress media authenticity for MPEG audio technologies
7.	Study and progress MPEG-4 audio immersive interchange format

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
Moritz Fuchs (FhG-IIS) moritz.fuchs at iis.fraunhofer.de

Until next WG 6 Meeting

mpeg-audio @ idmt.fraunhofer.de

•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.

WG6 AhG meetings as follows:

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

•	Tue 2025-12-02 9:00-11:00 UTC (Verification Test Preparation, Zoom)
•	Tue 2025-12-02 11:00-12:00 UTC (Any other topics; may be canceled without input, Zoom)
https://iso.zoom.us/j/2162331649?pwd=MVdzd1l0ejRPNXNubmVYZnd5bjlyZz09

•	Documents to be discussed in the AhG meeting on 2025-12-02 shall be registered and uploaded before 2025-11-28, 23:59 UTC.
•	Documents to be discussed at the 22nd WG 6 meeting shall be registered until 2026-01-12, 23:59 UTC and uploaded until 2026-01-14, 23:59 UTC.

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 tensor data from AI-based media processing and study relation to other MPEG activities
5. Continue EEs on NNC for tensor data from AI-based media processing

werner.bailer@joanneum.at,Werner Bailer (chair)
smchun@insignal.co.kr,Sungmoon Chun (vice-chair)

until next MPEG meeting

mpeg-nnr@lists.aau.at

Email to: mpeg-nnr-join@lists.aau.at

Thursday, January 15, 2026, 06:00 UTC (online)

1.	Prepare and coordinate CfP submissions
2.	Collaborate with ITU-T SG21/Q.6 VCEG
3.	Identify industries and use cases for ACoM Phase 2

Sang-Wook Kim (CAU)  swkim4 at cau.ac.kr
Thomas Sporer (FhG-IDMT) thomas.sporer at idmt.fraunhofer.de

Until next WG 6 Meeting

mpeg-acom@lists.aau.at

https://lists.aau.at/mailman/listinfo/mpeg-acom

WG6 zoom AhG meetings on ACoM as follows:

Tue 2025-11–11 09:00-11:00 UTC (topic: CfP, Open questions, no inputs papers necessary)

Tue 2026-01–13 09:00-11:00 UTC (topic: CfP evaluation)

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

•	Documents to be discussed in the AhG meeting on 2026-01-13 shall be registered and uploaded before 2026-01-10, 23:59 UTC.
•	Documents to be discussed at the 22nd WG 6 meeting shall be registered until 2026-01-12, 23:59 UTC and uploaded until 2025-01-14, 23:59 UTC.

Coordinate V-PCC CEs for GSC and conduct the corresponding experiments
Release branch of the V-PCC test model for core experiments 

Conduct V-DMC experiments
Release new version of the V-DMC test model (SW and documentation) during the editing period
Solicit contributions on V-DMC conformance

Coordinate preparation of the V-PCC and V-DMC reference software

Solicit additional data sets for all categories including multiple attribute
Solicit contributions for V-DMC subjective verification test

Investigate the usage of dynamic mesh compression for static content

Propose corrections for identified issues in the V3C, V-PCC and V-DMC specifications

Coordinate scientific and technical dissemination of V-PCC and V-DMC
Coordinate communications of V-PCC & V-DMC to fairs, exhibitions, workshops, webinars

Ralf Schaefer (Chair), Danillo Graziosi

Until the next MPEG WG 7 Meeting

mpeg-3dgc AT gti. ssr. upm. es

To subscribe, send email to https://mx.gti.ssr.upm.es/mailman/listinfo/mpeg-3dgc

Several online sessions before the next MPEG meeting to be announced on the 3DGH reflector ASAP (avoid Friday before the next MPEG meeting)

The online calendar also contains the information of the meetings logistics (to be ensured by the AhG chairs)

1. Maintain Lenslet Video Test Model (LVTM)
2. Maintain Reference Lenslet content Convertor (RLC)
3. Conduct Core Experiments for LVC
4. Study on Depth Compression for LVC
5. Study on Entropy Coding for Meta Data Compression for LVC
6. Study on Inter-prediction for LVC

Mehrdad Teratani, teratani.mehrdad.v5@f.mail.nagoya-u.ac.jp (co-chair)
Xin Jin, jin.xin@sz.tsinghua.edu.cn (co-chair)

Until next MPEG meeting

mpeg-i-visual@lists.aau.at

https://lists.aau.at/mailman/listinfo/mpeg-i-visual

Online 
31 October 2025 1000-1400 UTC (Text of WD)
5 November 2025 1000-1200 UTC (Text of WD)
7 November 2025 1000-1200 UTC (Text of WD)
28 November 2025 1000-1200 UTC (CEs)
14,16 January 2026 1000-1400 UTC

20

Online

Zoom link to be announced

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
6. Conduct activities to improve E-G-PCC Reference SW
7. Conduct E-G-PCC Conformance bitstream generation
8. Coordinate the evaluation activity for G-PCC AMD for GSC
9. Solicit contributions to define G-PCC profile for E-G-PCC

Hyejung Hur, Sébastien Lasserre, Yingzhan Xu, Alexandre Zaghetto, Ohji Nakagami

until the next MPEG WG7 meeting

mpeg-3dgc@gti.ssr.upm.es

to https://mx.gti.ssr.upm.es/mailman/listinfo/mpeg-3dgc

Several online sessions during the week before the next MPEG meeting.

The online calendar also contains the information of the meetings logistics (to be ensured by the AhG chairs)

Phase 1:
1. Solicit contributions to improve Phase 1 standard and reference software algorithm as part of EE4
2. Support File Format ISOBMFF and DASH for ISO/IEC 23090 for the conformance part 37
3. Finalize the white paper on Haptics to be published by AG3 and finalize the public webpage

Phase 2:
4.  Progress the work for implementing the architecture of the Spatial Haptic Model (SHM) and integration with MPEG-I SD
5.  Solicit contributions for EE1, EE2, EE3 and EE5
6.  Update the Evaluation Platform (HEP1.0) with the new technologies and scenarii

Philippe Guillotel (philippe.guillotel@interdigital.com)
Roope Raisamo (roope.raisamo@nokia.com)
Quentin Galvane (quentin.galvane@interdigital.com)

Until next MPEG meeting

mpeg-haptics@lists.aau.at – use [Haptics] in email header

https://lists.aau.at/mailman/listinfo/mpeg-haptics

Calls Oct. 29 + Nov. 19 + Dec. 10, Jan. 07, Friday Jan. 16 pre-MPEG#153
at 1400 UTC. 

Dial-in details: https://iso.zoom.us/j/7945431076?pwd=b21hT3FWWlUxRVA5S0hZSFYzRGtSUT09

1.	Collect representative datasets for avatar animation, including skeletal and facial motion.
2.	Define evaluation metrics, software and quality assessment methodologies for comparing animation compression technologies, including for instance distortion of motion trajectories, joint position accuracy, rotational smoothness over time, and decoding latency, etc.
3.	Review existing proposals for avatar animation compression and assess their applicability to streaming and real-time use cases.
4.	Explore mechanisms to map compressed animation streams to ARF, including necessary metadata.
5.	Address open issues collected in the exploration document.
6.	Develop relevant software tools for evaluation
7.	Start preparing a draft CTC

Thomas Stockhammer (tsto@qti.qualcomm.com) 
Anthony TRIOUX (anthony_trioux@xidian.edu.cn)

Until MPEG153

mpeg-i-ac@lists.aau.at

https://lists.aau.at/mailman/listinfo/mpeg-i-ac
 
Please check gitlab discussions here:
https://git.mpeg.expert/MPEG/3dgh/ac/contributions/-/issues

AHG Meetings
•	Call: Monday December 15, 13:30 – 15:00 UTC (14:30 – 16:00 CET)
•	Call: Friday January 16, 13:30 – 15:00 UTC (14:30 – 16:00 CET)
Note:
•	AHG meeting for WG03 Scene Description
   o	Call: Monday October 27, 14:30 – 16:00 UTC (15:30 – 17:00 CET)
   o	Call: Monday December 15, 15:00 – 16:00 UTC (16:00 – 17:00 CET)
   o	Call: Friday January 16, 15:00 – 16:00 UTC (16:00 – 17:00 CET)
•	3GPP SA4#134, November 13 - 17, 2025, Dallas, TX US
•	MPEG#153, January 19 – 23, 2026, Online
Logistics
•	Zoom: http://iso.zoom.us/my/stockhammer, Passwd as of MPEG#152
•	Chairs create issues in gitlab to collect comments.
•	If MPEG#153 repository is not yet available, use MPEG#152 repository.

1. Explore and propose potential future changes and updates to the text of OFF 5th edition.

Vladimir Levantovsky (Type Standards)

Until next meeting

mpeg-otspec@lists.aau.at; https://github.com/MPEGGroup/OpenFontFormat

https://lists.aau.at/mailman/listinfo/mpeg-otspec

Zoom conference call may be held, if necessary (detailed information will be posted to the AHG reflector)

- Collect new industrial usecases for use of multimedia AI processing in distributed, lowresosurces environments
- Study industrial needs related to multimedia processing by physical, embedded and agentic AI and analyze the opportunity of existing IoMT and MPEG-V
- Study the means for ensuring processing by AI on distributed processing platforms
- Study the gaps between existing IoMT technologies and the needs of distributed hybrid media AI processing environment, with authentication/tracking of sources, destinations, and processing types applied on a hybrid content
- Study the means for integrating existing traceability/authentication mechanisms (both inside and ouside ISO) in IoMT

Mihai Mitrea, Sang-Kyun Kim

Until the next MPEG WG7 Meeting

MIoTW@lists.aau.at

http://lists.uni-klu.ac.at/mailman/options/MIoTW
send an email to MIoTW-join@lists.aau.at

Fri before meeting, 8am UTC

20

https://iso.zoom.us/j/92992119841?pwd=eksrd2Z4d09uS1VYYTB1MTZLc085UT09

1.	To contribute to the execution of the Core Experiments identified in Description of Core Experiments on Graph Genomes N273 and on genomic information representation N272
2.	To contribute to the development of Part 1 and Part 2 Amd1 Support of graph genome
3.	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
4.	To support the organization and continuing the progress of the hackathon disseminating the information and supporting the participants.
5.	To finalize the reference software annex to 23092-4 3rd edition
6.	To compile common test conditions for the evaluation of MPEG-G performance
7.	To collect additional test data useful to be used for executing CEs on graph genome and native representation of DNA methylation information.
8.	To build a complete MPEG-G dataset repository on the official MPEG content ftp.
9.	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
10.	Discuss objectives and prepare a workplan for a workshop showcasing MPEG-G standard capabilities open to non-ISO members.

Raymond Krasinski (Philips)
Paolo Ribeca (Bioss)

Until the next WG8 meeting

SC29-WG8-AHG@listes.epfl.ch

To subscribe, send email to SC29-WG8-AHG-subscribe@listes.epfl.ch

Yes

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 15rd of January at 14:00 CET to 17:00 CET.

1.	1.	Extend, perform, and evaluate core experiments
2.	Determine the impact of the profiles on MPEG-G compression performance 
3.	Draft the specification of Part 7 Application formats and profiles
4.	Verify the compatibility and consistency of the Part 7 specification

Yeremia Gunawan Adhisantoso (Leibniz University Hannover), Patrick Cheung (Philips NL)

Until the next WG8 meeting

WG8-Profiles-AHG@listes.epfl.ch

To subscribe, send email to WG8-Profiles-AHG-subscribe@listes.epfl.ch

YES

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 January 15th immediately following the AHG meeting on genomic information representation.

1. Continue to refine the work plan for Part 28;
2. Continue experiments and tests related to the test data and test methodologies for scene-based media interchange;
3. 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;
4. Continue to study examples of using IMS with other 3D formats;
5. Write a white paper on SMI;
6. Continue to solicit industry engagement (e.g., reach out to Metaverse Standards Forum);

ahinds@global.tencent.com,Arianne T. Hinds
esjang@hanyang.ac.kr,Euee S. Jang

until the start of MPEG 153

mpeg-render@lists.aau.at

https://lists.aau.at/mailman/listinfo/mpeg-render

Biweekly teleconference calls starting on Thursday 7 November 2025 from 14:00 to 15:30 UTC.

In person on Monday prior to the start of the next hybrid MPEG meeting, from 12h to 15h

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/81790279100?pwd=qYbk30ufNPaRASr22VaK29bVxTkZ7d.1

Meeting ID: 817 9027 9100
Passcode: 133748

0.     Study integration of MV-HEVC in application formats
CMAF (Common Media Application Format)
1.	Study the FDIS, and solicit further input
2.	Study the TuC on CMAF and solicit input.
3.	Study the potential impact to CMAF of the changes in the Common Encryption spec, in particular about brands
4.	Solicit feedback on the open issues on GitHub and GitLab

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

Krasimir Kolarov; Cyril Concolato; Thomas Stockhammer

until 153rd meeting

CMAF - mpeg-cmaf@lists.aau.at
MIAF,  MeMAF - mpeg-maf-dev@lists.aau.at

CMAF - https://lists.aau.at/mailman/listinfo/mpeg-cmaf
MIAF, MeMAF - https://lists.aau.at/mailman/listinfo/mpeg-maf-dev

F2F AhG meeting is considered. To be announced through the reflector.

- To review WD and TuC and solicit contribution to improve the 2nd edition of ISO/IEC 14496-34.
- To execute the workplan on reference software and conformance
- To review the list of items in WG03N1662 with relevant experts

Youngkwon Lim

Until the 22nd MPEG Systems WG meeting

gen-sys@lists.aau.at

http://lists.aau.at/mailman/listinfo/gen-sys

- Two conference calls

1. Study and solicit contributions to improve 23090-10 2nd edition.
2. Discuss open issues in MPEG Git and propose recommended dispositions
3. To study WG03N1668 and solicit the contributions to improve it

Youngkwon Lim, Lauri Ilola

until the 22nd MPEG Systems WG meeting

gen-sys@lists.aau.at

http://lists.aau.at/mailman/listinfo/gen-sys

- Two conference calls
- Details will be announced through the reflector

- to study exploration document (WG03N1630) 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.

Emmanuel Thomas, Imed Bouazizi, Youngkwon Lim

until the next MPEG meeting

gen-sys@lists.aau.at

http://lists.aau.at/mailman/listinfo/gen-sys

- a conference call
- details to be announced through the reflector

1. Prepare output documents.
2. Release VCMRS v1.2 software.
3. Conduct studies on buffer management, and bit-depth support.
4. Continue refining VCM technologies.
5. Collaborate with the WG3 Systems technologies for media coding for machine standards AhG and WG4 FCM AhG.

Shan Liu (shanl@global.tencent.com)
Chris Rosewarne (chris.rosewarne@canon.com.au)

Until next WG4 meeting

mpeg-wg4-vcm@lists.rwth-aachen.de

https://lists.rwth-aachen.de/postorius/lists/mpeg-wg4-vcm.lists.rwth-aachen.de/

Monday (January 12): 2300-Tues 0100 UTC, 0120-0320 UTC.
Wednesday (January 14): 2300-Thurs 0100 UTC, 0120-0320 UTC.

Interim AhG meeting to finalize decision on m74592: October 24.
Interim study 1-2 meetings start early November, every four weeks until MPEG153 AhG meeting.

1.	Develop and release updated FCTM software, anchors, PWD, and CTTC.
2.	Conduct Core Experiments.
3.	Conduct FCTM studies (FE1-2 on training and CTTC)
4.	Conduct exploration on FCM functionalities.
5.	Investigate remaining causes of discrepancy in FCTM simulations and propose solutions.
6.	Continue to refine Common Test and Training Conditions.
7.	For FE2, solicit additional test datasets for Pose estimation and video instance segmentation.
8.	Study FCTM complexity.
9.	Studying the optimal usage of the inner codec.
10.	Provide requirements on weight/topology acquisition.

chris.rosewarne@canon.com.au,Chris Rosewarne (Canon) 
zhangy666@chinatelecom.cn,Yuan Zhang (China Telecom)

Until the next MPEG meeting

mpeg-wg4-fcm@lists.aau.at

https://lists.aau.at/mailman/listinfo/mpeg-wg4-fcm

Interim AhG meeting: October 24 (preceding anchor/CTTC release): For next FCTM and CTTC: Decide NN part 2 threshold(s), supplementary result to be added to CTTC.

Tues (January 13): 2300-Wed 0100 UTC, 0120-0320 UTC.
Friday (January 16): 0000 0200 UTC, 0220-0420 UTC.

1) Investigate reproducibility for AI-based methods in Media coding
- Identify different tolerance levels of reproducibility
- Analyze minimum and maximum reproducibility aspects
- Mandatory and non-mandatory AI components for reproducibility
- How the effect of computational imprecision can be mitigated
2) Technical requirements analysis on NN model hosting 
3) Communicate with SC29/WGs on related aspects
4) Produce a report on reproducibility of AI-based approaches in Media and NN model management.

Gilles Teniou, Tencent (teniou@global.tencent.com)
Dong Tian, InterDigital (dong.tian@interdigital.com)

Until the next MPEG meeting

mpeg-ai@lists.aau.at

https://lists.aau.at/mailman/listinfo/mpeg-ai

2-weeks notice as needed

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.

Panos Kudumakis and Mirko Zichichi

Until the 153rd MPEG meeting

smart-contracts@lists.aau.at

https://lists.aau.at/mailman/listinfo/smart-contracts

Biweekly calls starting Wed 22 Oct 2025 alternatively at 14:00 & 16:00 UTC (2 h).

- Update test model to TMAPv4 with new adoptions for AI-PCC
- Update WD text of AI-PCC with new adoptions and general improvement
- Coordinate the AI-PCC EEs including learning-based attribute coding, reproducible coding, etc.
- Refine common test conditions for AI-PCC
- Coordinate the activity of introducing RAHT in AI-PCC
- Coordinate the comparison study with JPEG AI-PCC
- Organise editors meeting
- Organise AhG meetings before the next MPEG meeting

Dong Tian

Until the next MPEG WG7 meeting

mpeg-3dgc@gti.ssr.upm.es

https://mx.gti.ssr.upm.es/mailman/listinfo/mpeg-3dgc

- Several Zoom calls on EE on HLS are planned as defined in EE plan
- Several Zoom calls for editing text. To be planned in GitLab
- Two AhG meetings on the Thurs, Jan 15 and Fri, Jan 16 before the next MPEG meeting

30

1. Prepare use cases and requirements of Gaussian splat coding 
2. Collect and 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 
7. Coordinate the activity on Lightweight GS (1F)
8. Prepare subjective evaluation

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)

Until the next MPEG meeting

mpeg-gsc@lists.aau.at

https://lists.aau.at/mailman/listinfo/mpeg-gsc

2026-01-12 - Mon (1pm-4pm UTC), online
2026-01-13 - Tue (3pm-6pm UTC), online
2026-01-15 - Thu (2pm-5pm UTC), online
2026-01-16 - Fri (2pm-5pm UTC), online

100

2025-10-27 – Mon (2pm-5pm UTC), online
2025-11-24 – Mon (2pm-5pm UTC), online
2025-12-15 - Mon (2pm-5pm UTC), online

zoom link to be distributed on the reflector

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 in their own documents. 
4. Progress guidelines on the drafting of WG2 requirements.
5. Improve MPEG website section regarding WG2 mission.
6. Progress 3D Gaussian Splats (3DGS) requirements and merge 3DGS and lightweight 3DGS requirements documents into a single document.

Mary-Luc Champel, Xiaomi (champelmaryluc@xiaomi.com)
Igor D.D Curcio, Nokia (igor.curcio@nokia.com)

Until next meeting

mpeg-req@lists.aau.at

https://lists.aau.at/mailman/listinfo/mpeg-req

AhG call to be scheduled in December 2025 and announced 2 weeks in advance to progress merge of 3DGS requirements documents.

1.	Work with the audio group WG06 on progressing the integration of legacy and MPEG-I audio into the MPEG-I SD and the MSF white paper on Audio for the Metaverse
2.	Progress the work on MPEG-I Scene Description taking into account the technologies in draft FDAM1 of Amd.1 WG03_N1669, the TuC in WG03_N1616 and conduct EEs in WG03_N1658
3.	Progress the standardization process for Avatar Representation formats taking into account the technologies in the improved DIS in WG03_N1649 and the EE/TUC description in WG03_N1635
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.	Address integration of Scene technologies into delivery systems
  a)	work with File Format group for systems integration.
  b)	Create conformance files to be shared with the FF group and generate sample files, test writers and readers
  c)	Track the RTP payload format for ARF 
7.	Work on conformance and reference software based on procedures in WG03_1620.
8.	Identify collaboration and open issues related to Khronos
  a)	Prepare submission to 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
  b)	Submit the Second Edition and Amd.1 extensions to Khronos and ensure the adoption in Khronos
  c)	Identify overlapping extensions
  d)	Prepare exchange on Gaussian Splats in glTF
9.	Collect information on ongoing scene description related work and promote MPEG-I Scene Description and Avatar Representation Formats, in particular to Khronos, Metaverse Standards Forum, 5G-MAG and 3GPP, including white paper for Avatar and Scene description, demos at MPEG#152 and the IBC paper. 
10.	Collaborate with WG07 on Animation Compression

Thomas Stockhammer (tsto@qti.qualcomm.com)
Mary-Luc Champel (champelmaryluc@xiaomi.com)
Gaëlle Martin-Cocher (Gaelle.Martin-Cocher@InterDigital.com)

Until MPEG#153

mpeg-i-scene@lists.aau.at

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

AHG Meetings
•	Call: Monday October 27, 14:30 – 16:00 UTC (15:30 – 17:00 CET)
  o	Status Khronos Extensions and Submissions
o	Preparation for Gaussian Splats in glTF webinar
•	Call: Monday December 15, 15:00 – 16:00 UTC (16:00 – 17:00 CET)
  o	Status Khronos Extensions and Submissions
•	Call: Friday January 16, 15:00 – 16:00 UTC (16:00 – 17:00 CET)
Note:
•	AHG meeting for WG07 Avatar Compression
  o	Call: Monday December 15, 14:00 – 15:00 UTC (15:00 – 16:00 CET)
  o	Call: Friday January 16, 14:00 – 15:00 UTC (15:00 – 16:00 CET)
•	3GPP SA4#134, November 13 - 17, 2025, Dallas, TX US
•	MPEG#153, January 19 – 23, 2026, Online
Logistics
•	Zoom: http://iso.zoom.us/my/stockhammer, Passwd as of MPEG#152
•	Chairs create issues in gitlab to collect comments.
•	If MPEG#153 repository is not yet available, use MPEG#152 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

40

40

- To study VCM, FCM and ACoM 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

Jin Young Lee, Sachin Deshpande, Youngkwon Lim

until the next MPEG meeting

gen-sys@lists.aau.at

http://lists.aau.at/mailman/listinfo/gen-sys

no meeting