Download the current Ad hoc group rules for MPEG AGs and WGs here:
Ad hoc groups of WG 2 – MPEG Technical Requirements:
| Name | AHG on Video Coding for Machines |
| Mandates | 1. Disseminate the CfE, solicit participation and responses to the CfE 2. Prepare for evaluation and review responses to the CfE 3. Create and evaluate additional anchors 4. Collect additional test data sets, ground truth 5. Collect evidence on the level of achievability of combined human/machine-oriented video representation and compression 6. Encourage experts to provide feature stream codecs 7. Encourage experts to provide uncompressed bitstream from feature extractor |
| Chairmen | Yuan Zhang (China Telecom), Manouchehr Rafie (GTI), Shan Liu (Tencent) |
| Duration | Until the 134th MPEG meeting |
| Reflector | mpeg-vcm@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpeg-vcm |
| Meeting | One conference call one month before the MPEG 134 (time to be announced) Thursday 1230 – 1430, 1500 – 1700 UTC before MPEG Friday 1230 – 1430, 1500 – 1700 UTC before MPEG |
| Name | AhG 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. Define focused use cases in the area of indoor and outdoor spatial information storage, sharing, mapping, localization, etc. and define requirements in order to identify relevant standards and missing technologies. 5. Solicit inputs to increase awareness about typical MPEG media bit rates and traffic characteristics for 3GPP Extended Reality (XR) applications and services. |
| Chairmen | Igor D.D. Curcio (Nokia), Ozgur Oyman (Intel), Emmanuel Thomas (TNO) |
| Duration | Until MPEG 134 |
| Reflector | mpeg-and-5g@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpeg-and-5g |
| Meeting | One conference call to be announced |
| Name | AHG on Haptics Support in MPEG |
| Mandates | 1. Complete test platform selection, test content validation, and Test Lab selection/onboarding by April 15, 2021 2. Update CfP for final issuance at MPEG134 (April 2021) 3. Update Submissions and Evaluation Procedures and CE Methodology for final issuance at MPEG134 (April 2021) 4. Study tests, test platforms, and test content options for Phase 2 CfP (Advanced Haptics) |
| Chairmen | Yeshwant Muthusamy (Immersion Corporation), Philippe Guillotel (InterDigital Corporation) |
| Duration | Until MPEG 134 |
| Reflector | mpeg-haptics@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpeg-haptics |
| Meeting | Weekly calls (2 h duration) starting Jan 26th, 2021 at 1400 UTC. Dial-in details to be provided. |
| Name | AhG on MPEG Roadmap |
| Mandates | 1. Update the MPEG roadmap in different formats (Word, long PPT, short PPT, video) according to the periodical schedule. 2. Update the roadmap presentation layout to a more descriptive form. 3. Coordinate with AG3 on the communications plan for the roadmap. 4. Explore how to publish information on the ISO sites 5. Study how to extract the relevant roadmap information from the Mission Control function of the MPEG Document System and the ISO site. 6. Study a process to fetch roadmap information from members of the WGs. |
| Chairmen | Igor D.D. Curcio (Nokia), Arianne Hinds (Tencent), Sachin Deshpande (Sharp) |
| Duration | Until MPEG 134 |
| Reflector | mpegvision@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpegvision |
| Meeting | One conference call to be announced |
| Name | AhG on Data Compression |
| Mandates | Short term 1. Search existing lossless and lossy compression tools (e.g, documentation and software) for generic compression (e.g., GZIP) 2. Assess the possibility to be standardized in MPEG and execute if feasible 3. Study how streaming/multiplexing of compressed data with other compressed data or other data can be technically realized 4. Explore through informal contacts with IETF representatives their standardization process for lossless compression algorithms (GZIP and others). 5. Explore how to generate an ISO standard for the LZMA algorithm from the MPEG-G standard. Long term 6. Study how to develop more generic (and self-configurable) compression tools 7. Study how to expand into other industrial sectors (machineries, health, etc.) |
| Chairmen | Euee S. Jang (Hanyang University, KR) |
| Duration | Until the next WG2 meeting (April 2021) |
| Reflector | mpeg-dc@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpeg-dc |
| Meeting |
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| Name | AhG on Market Needs |
| Mandates | 1. To collect member input on the scope of market needs that may be taken into consideration when developing MPEG requirements. 2. To collect member input on a process for assessing and verifying claimed needs. 3. To collect member input on how the MPEG requirement-setting process could reflect market needs. 4. To compile collected input and prepare a summary report for the next WG2 meeting. |
| Chairmen | Justin Ridge (Nokia), Gilles Teniou (Tencent) |
| Duration | Until MPEG 134 |
| Reflector | mpeg-market@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpeg-market |
| Meeting | Meeting on the Friday before the next MPEG meeting |
Ad hoc groups of WG 3 – MPEG Systems:
| Name | AhG on Smart Contracts for Media |
| Mandates | 1. Update MPEG XML & RDF media contracts doc (N19505) wrt: • registration of works, manifestations, and instances • exploitation of works (on-demand streaming, digital sale, and radio broadcast) 2. Produce a demonstration including GUIs for selecting a predefined CEL/MCO media contract template (on-demand streaming, digital sale, and radio broadcast), inserting metadata, and converting it to smart contract executed on a blockchain 3. Populate MPEG software repository with API data structures in JSON for MCO/RDF and Python for CEL/XML, as well as all modules necessary for MPEG XML and RDF media contracts to smart contracts conversion and vice versa 4. Validate the API, for converting MPEG XML and RDF media contracts to smart contracts and vice versa, beyond Solidity (e.g., Go, Move) 5. Produce ‘Improvements of ISO/IEC CD 21000-23 on terminology, workflow descriptions, architecture, and API’ based on technical and editorial contributions. |
| Chairmen | Panos Kudumakis and Xin Wang |
| Duration | Until the 134th MPEG meeting |
| Reflector | smart-contracts@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/smart-contracts |
| Meeting | Biweekly calls starting Thu 28 Jan. 2021, all at 14:00 UTC (2 h) |
| Name | AHG 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 use of ISOBMFF type combination and supplemental brands 4. Solicit feedback on the CD of Amd2 5. Solicit further contributions on CMAF conformance and test vectors 6. Solicit feedback on the open issues on GitHub and GitLab MIAF (Multi-Image Application Format) 1. Study conformance and reference software for MIAF 2. Solicit further feedback on DAM2 for MIAF HEVC Advanced HDR profile and other clarifications 3. Solicit feedback on the open issues on GitHub and GitLab |
| Chairmen | Krasimir Kolarov; Cyril Concolato |
| Duration | until 134th meeting |
| Reflector | 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 | AF Conference call, April 22, 2021, 17:00-19:00 CET |
| Name | AHG on MPEG DASH |
| Mandates | 1. Study and improve Part 1 CDAM2 (WG3 N00132) and Part 8 CDAM1 WD (N00160) 2. Study technologies under consideration (TuC; WG3 N00100) and defect under investigation (DuI; WG3 N00140) 3. Continue to work on conformance and reference software 4. Develop and improve the XML schema to comply to the draft of 5th edition (WG3 N00140). 5. Seek contributions for the impact of dynamic switching in the decoder’s HRD model and if DASH signalling can avoid possible problems. |
| Chairmen | Iraj Sodagar, Christian Timmerer, Ali C. Begen |
| Duration | Until the next MPEG meeting |
| Reflector | dash@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/dash |
| Meeting | April 23, 16-17:30 UTC, 9:00-10:30 AM PDT: Preparation call for MPEG#133 |
| Name | AhG on Network-Based Media Processing |
| Mandates | 1. Improve the CDAM2 (WG03 N00161) and TuC (WG N00112) 2. Improve and update NBMP Implementation Guidelines (WG03 N00XXX) including aligning it with NBMP FDIS and DAM1 3. Solicit inputs on the conformance software and test vectors, and develop a work plan for them. 4. Develop the plan for collaboration with other relevant SDOs, e.g., 3GPP SA4, ATSC, ETSI MEC, and OpenStack Foundation 5. 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 | mpeg-nbmp@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpeg-nbmp |
| Meeting | No meetings |
| Name | AhG on Omnidirectional MediA Format (OMAF) |
| Mandates | 1. Study the possible future amendments and editions for OMAF 2. Study OMAFv1 reference software and conformance and solicit contributions on missing parts 3. Preparation of OMAFv2 reference software and conformance 4. Handle any possible defect report/ corrigenda for 23090-2 2nd edition 5. Solicit contributions to identify common metadata of 23090-2 and 23090-10 6. Maintain relationship with relevant SDOs, e.g. VRIF, 3GPP SA4 |
| Chairmen | Sachin Deshpande, Ye-Kui Wang, Youngkwon Lim |
| Duration | Until next WG3 meeting (April 2021) |
| Reflector | gen-sys@lists.aau.at |
| Subscribe | http://lists.aau.at/mailman/listinfo/gen-sys |
| Meeting | Meetings on Friday before WG3 April 2021 meeting (as required): 5:00 PM to 7:00 PM, 7:15 PM – 9:15 PM CEST (via zoom) (with possibility to add two hours additional AHG meeting time with 2-week notice). |
| Name | AHG on MPEG File Formats |
| Mandates | 1. Support the groups using the file formats (including audio, DASH, CMAF, OMAF, MORE, MIAF, PCC, NBMP et al.) 2. Study the Technologies under Consideration and Working Draft documents and propose improvements. Study the defect reports and propose corrigendum text. 3. Study color properties in ISO/IEC 23008-12 (Image file format) and propose improvements. 4. Study the exploration of uncompressed video support, and propose improvements and ways ahead. 5. Study the use of T.35 as an extension mechanism. 6. Study the possible application of Derived Volumetric Visual tracks, matching Derived Visual Tracks that are under way. 7. Study the proposed clarifications on the definition of brands, particularly in the ISO base media file format, and suggest improvements. 8. Study the support for progressive refinement output in HEIF and propose improvements. 9. Study the technical gaps for handling the presentation of multi-layer VVC files (independent layers stored in single track or multiple tracks) in existing applications and interfaces, e.g. HTML 5MSE, mobile OS media API and native applications (GPAC, ffplay, VLC, etc…). 10. 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 and how the specifications and conformance can be managed as a coordinated workflow. 11. Check the specifications for unregistered MIME types and parameters and start registering them. Audit files as needed for the MP4RA. |
| Chairmen | David Singer (Apple) and Per Fröjdh (Ericsson) |
| Duration | Until next meeting |
| Reflector | mp4-sys@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mp4-sys and https://github.com/MPEGGroup/FileFormat |
| Meeting |
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| Name | AHG on Font Format |
| Mandates | 1. Review and discuss the text of Working Draft amendment of ISO/IEC 14496-22:2019_AMD2 to review and update COLR v1 data structure descriptions. 2. Discuss clarifications and updates to other parts of the OFF specification, and submit AHG recommendations for proposed changes to address identified technical issues. |
| Chairmen | Vladimir Levantovsky |
| Duration | Until 3rd (April 2021) SC29/WG3 (MPEG Systems) meeting. |
| Reflector | 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 (detail information will be announced to the AHG reflector) |
| Name | AhG on MPEG-UD |
| Mandates | 1. Solicit new technologies and use cases 2. Reflect the NB comments into the DIS of MPEG-21 UD 3rd edition |
| Chairmen | S. Joo, M. Mitrea |
| Duration | Until 134th MPEG Meeting |
| Reflector | user@lists.aau.at |
| Subscribe | http://lists.uni-klu.ac.at/mailman/options/user |
| Meeting | Sun before meeting, at 5am UTC |
| Name | AHG on Systems Technologies for V3C and G-PCC |
| Mandates | 1. Study and solicit contributions to improve 23090-10 and 23090-18 2. Discuss open issues in MPEG Git (http://mpegx.int-evry.fr/software/MPEG/Systems/PCC-SYS) and propose recommended dispositions 3. Study initial ideas on reference software and conformance (WG03N0176) and solicit contribution to develop a workplan 4. Study MPEG-I system decoder architecture and solicit contributions to improve it. |
| Chairmen | Youngkwon Lim, Lauri Ilola |
| Duration | Until the 3rd MPEG Systems WG meeting |
| Reflector | gen-sys@lists.aau.at |
| Subscribe | http://lists.aau.at/mailman/listinfo/gen-sys |
| Meeting | Conference call in every 2-3 weeks (detail information will be announced to the gen-sys reflector) |
| Name | AHG on Video Decoding Interface |
| Mandates | 1. To study WD and solicit contributions to improve it 2. To disseminate to JVET the WD of Video Decoding Interface for Immersive Media 3. To study development of VVC and VSEI (ISO/IEC 23090-3 and 23002-7) and solicit contributions to improve the proposed input formatting library on gitlab 4. To solicit open source implementation of OpenMAX or MSE to be used as a starting point of implementation of VDI extensions. 5. To analyze the capabilities of existing Video Decoding Interfaces (e.g., Khronos OpenMAX) and the features of video coding specification (e.g. HEVC, EVC, VVC) against the Requirements for Immersive Media Access and Delivery in WG11N18767 and identify the relevant gaps and necessary features to be worked on. 6. To manage software development projects |
| Chairmen | Youngkwon Lim, Emmanuel Thomas, Thomas Stockhammer |
| Duration | Until the 3rd MPEG Systems WG meeting |
| Reflector | gen-sys@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/gen-sys |
| Meeting | One conference call in each month (detail information will be announced to the gen-sys reflector) |
| Name | AHG on Systems Functionalities for Video Conformance |
| Mandates | 1. Continue to collect systems-relevant use cases based on the template in document WG3 N00131. 2. Define video bitstream conformance requirements based on these functionalities. 3. Define encoding requirements guidelines to support these system functionalities 4. Extract system signaling requirements for ISO BMFF, DASH and CMAF to support these functionalities 5. Define systems client processing operations to support these functionalities. 6. Collaborate and solicit input from external organizations, in particular including DASH-IF, CTA WAVE and DVB. 7. Collaborate with MPEG video and JVET on this matter |
| Chairmen | Thomas Stockhammer, Ye-Kui Wang, Yuriy Reznik |
| Duration | Until MPEG134 |
| Reflector | systems4video@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/systems4video |
| Meeting | Conference Calls: Friday February 26, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET) Submission deadline February 24, 2021 23 UTC Friday March 12, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET) Submission deadline March 10, 2021 23 UTC Friday March 26, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET) Submission deadline March 24, 2021 23 UTC Friday April 23, 2021 15:00 – 16:00 UTC (17:00 – 18:00 CEST) |
| Name | AHG on MPEG-I Scene Description |
| Mandates | 1. Complete the analysis of the capabilities of glTF2.0 and the agreed MPEG Extensions against the requirements for MPEG-I Scene description (N00122) 2. Harmonize with the MPEG-I 3DG/video/systems work and integrate video/3D/systems relevant metadata into the Scene Description. 3. Collect/coordinate test assets that support the development of the MPEG-I Scene description work according to clause 5 of N00121. 4. Study the open issues in the TuC (N00120) and provide input for potential improvement for MPEG-I Scene description 5. For each technology in the CD (N00119) and the TuC (N00120), identify if it fulfills the requirements in N00122, clause 6 and if not, progress the relevant aspects, including specification text, reference software and test scenarios. 6. Collect a list of advanced audio functionalities in N00121 that we expect to be supported in future phases and map this to MPEG-I audio at appropriate time. 7. Collect relevant MPEG media types and add those to the registered media type in an update to N00119. 8. Validate all reference software branches, merge them into a single branch and improve the description of the reference software. 9. Prepare a WD on Conformance Tools and Reference software for MPEG-I Scene Description. 10. Monitor ongoing scene description related work in the industry and in other groups and organizations, in particular Khronos and continue the collaboration with Khronos |
| Chairmen | Thomas Stockhammer, Mary-Luc Champel, Ozgur Oyman |
| Duration | Until MPEG134 |
| Reflector | 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 | Monday February 15, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET) Submission deadline February 11, 23:00 UTC Monday March 1, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET) Submission deadline February 25, 23:00 UTC Monday March 15, 2021 14:30 – 16:00 UTC (15:30 – 17:00 CET) Submission deadline March 11, 23:00 UTC Monday March 29, 2021 13:30 – 15:00 UTC (15:30 – 17:00 CEST) Submission deadline March 25, 23:00 UTC Monday April 12, 2021 13:30 – 15:00 UTC (15:30 – 17:00 CEST) Submission deadline April 8, 22:00 UTC Friday April 23, 2021 13:30 – 15:00 UTC (15:30 – 17:00 CEST) |
| Name | AhG on MPEG Media Transport |
| Mandates | 1.Execute the work plan on the conformance including aligning it with MMT 3rd edition and DAM2 2.Solicit inputs on the conformance software and test vectors 3.Study WD and the documents related to MMT, FEC, MPEG-CI and MMT-IG. 4.Work on the CE on Hyper Media/ 5G MEC use cases and requirements for MMT extension 5.Keep relevant SDOs informed MMT (ITU-T SG16, ATSC, 3GPP, ARIB, etc.,) |
| Chairmen | Kyungmo Park (SK Telecom) |
| Duration | Until the next MPEG meeting |
| Reflector | MMT-TNT@listserv.uni-hannover.de |
| Subscribe | MMT-TNT-request@listserv.uni-hannover.de |
| Meeting | No meeting |
| Name | AHG on Encoder and Packager Synchronization |
| Mandates | 1. Study the exploration document and collect use cases and requirements 2. Collaborate with the DASH-IF in the context of the new ingest specification 3. Discuss the issues on MPEG GitLab page under MPEG>Systems and the DASH-IF GitHub (see m56186) |
| Chairmen | Alex Giladi Ali C. Begen |
| Duration | Until the 134th MPEG meeting |
| Reflector | synched-encoding@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/synched-encoding |
| Meeting | None |
Ad hoc groups of WG 4 – MPEG Video Coding:
| Name | AHG on Essential Video Coding |
| Mandates | 1. Coordinate management of the ETM software and its distribution 2. Coordinate generation and cross-check of the conformance bitstreams 3. Discuss input documents to MPEG 134 relating to EVC |
| Chairmen | Kiho Choi |
| Duration | Until next MPEG meeting |
| Reflector | mpeg-5@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpeg-5 |
| Meeting |
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| Name | AHG on Low Complexity Enhancement Video Coding |
| Mandates | 1. Study the test results of the first pass of the Phase 1 verification test 2. Prepare and conduct first pass of Phase 2 verification test for LCEVC 3. Coordinate generation, upload and cross-checks of LCEVC conformance bitstreams 4. Discuss input documents to the 3rd WG 04 meeting related to LCEVC |
| Chairmen | Walt Husak (Chair), Simone Ferrara (Vice-chair) |
| Duration | Until next MPEG meeting |
| Reflector | vcexp@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/vcexp |
| Meeting | Provisional time schedule: *AhG # 1 call: Monday 1st February @2pm UTC*: discuss settings *AhG # 2 call: Tuesday 16th February @2pm UTC*: processing time procedure discussion *AhG # 3 call: Tuesday 2nd March @2pm UTC*: review of proposed configurations *AhG # 4 call: Thursday 18th March @2pm UTC*: conformance bitstream crosschecks review *AhG # 5 call: Tuesday 6th April @2pm UTC*: review cross-checks and MOS test results *AhG # 6 call: Tuesday 20th April @2pm UTC *: review of input documents *AhG # 7 call: Thursday 22nd April @2pm UTC*: preparation of report Further meetings may be schedule with the necessary 2 weeks notice. |
| Name | AHG on MPEG-I Visual |
| Mandates | 1. Prepare draft international standard of MPEG Immersive Video 2. Study profiles, tiers, and levels for MPEG Immersive Video 3. Carry on core experiments of MPEG Immersive Video 4. Update test model and reference software for MPEG Immersive Video 5. Define CTC for MPEG Immersive Video 6. Carry out exploration experiments on MPEG Immersive Video 7. Investigate dense light field content in immersive video applications 8. Study performance improvements under CTC conditions 9. Promote MPEG Immersive Video outside MPEG |
| Chairmen | Bart Kroon (Philips) (chair) Vinod Malamal Vadakital (Nokia) (vice-chair) Joel Jung (Tencent) (vice-chair) |
| Duration | Until next MPEG meeting |
| Reflector | mpeg-i-visual@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpeg-i-visual |
| Meeting | MIV: Jan. 26, Feb. 16, Mar. 9, Mar. 30 VQA (AG5): Feb. 23 (1 h) EE: Mar. 17 DLF: Mar. 24 AHG: Apr 20, 21, 22, 23 All meetings start at 15:00 UTC and run 2 h unless noted otherwise |
| Name | AHG on Compression of Neural Networks for Multimedia Content Description and Analysis |
| Mandates | 1. Maintain data sets and NCTM 2. Study the DIS and improve the test model 3. Continue analyzing the state of the art in NN compression and exchange formats 4. Continue interaction with SC42, FG ML5G, NNEF, ONNX and the AI/ML community |
| Chairmen | Werner Bailer (chair) Sungmoon Chun (vice-chair) Wei Wang (vice-chair) |
| Duration | until next MPEG meeting |
| Reflector | mpeg-nnr@lists.aau.at |
| Subscribe | https://lists.aau.at/mailman/listinfo/mpeg-nn |
| Meeting | Thu/Fri before next MPEG meeting |
Ad hoc groups of WG 5 – MPEG Joint Video Coding Team(s) with ITU-T SG 16:
Not published, yet.
Ad hoc groups of WG 6 – MPEG Audio Coding:
| Name | AHG on MPEG-I Immersive Audio and Audio Maintenance |
| Mandates | 1. Execute Workplan on MPEG-I Audio, revising as needed. 2. Progress the CfP and all documents that support the CfP 3. Execute Pilot Subjective Test, as appropriate 4. Maintain Audio-related conformance data and reference software |
| Chairmen | Schuyler Quackenbush (ARL) |
| Duration | Until 3rd WG 6 Meeting |
| Reflector | 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 | Web AhG meetings as follows: All meeting times are Wednesdays 1400-1600 UTC at Zoom URL [contact the AhG chair] Meeting Dates: Dates: Feb 3, Feb 17, Mar 3, Mar 17, Mar 31, Apr 14, 2021 |
Ad hoc groups of WG 7 – MPEG Coding of 3D graphics:
| Name | AhG 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. Coordinate activities on V-PCC Verification Tests 5. Coordinate activities on V3C/V-PCC White Paper 6. Coordinate activities on Mesh use cases and requirements 7. Coordinate activities related to Mesh CfP (Metrics, Anchor, Dataset) 8.Coordinate scientific and technical dissemination of V-PCC 9. 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 10. Solicit additional data sets for all categories 11. Solicit contributions to encapsulate V-PCC in scene graph |
| Chairmen | Ralf Schaefer (Chair), Khaled Mammou, Madhukar Budagavi |
| Duration | Until 3rd MPEG WG7 Meeting |
| Reflector | 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. |
| Name | AhG on Geometry-based Point Cloud Compression |
| Mandates | 1. Improve documentation material for G-PCC 2. Update the TMs (SW and documentation) during the editing period 3. Update G-PCC Conformance bitstream and G-PCC Reference SW 4. Update the CTC and provide updated anchor points 5. Conduct the G-PCC experiments for future enhancements 6. Solicit contributions on additional G-PCC use cases 7. Coordinate activities on evaluating the current G-PCC specifications against requirements 8. Coordinate scientific and technical dissemination of G-PCC 9.Coordinate communications of G-PCC to fairs, exhibitions, workshops, webinars, and enrich www.mpeg-pcc.org with relevant information about G-PCC, enrich Wikipedia pages on PCC 10. Solicit additional data sets for all categories 11. Solicit contributions to encapsulate G-PCC in scene graph 12. Solicit contributions on next generation compression technology 13. Review the categorization of the point cloud content |
| Chairmen | Ohji Nakagami (Chair), Toshiyasu Sugio, Sebastien Lasserre |
| Duration | Until 3rd MPEG WG7 Meeting |
| Reflector | 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. |
| Name | AhG on IoMT |
| Mandates | 1. Study and prepare the input for Part 4 2. Solicit contributions on IoMT technologies and use cases for interfaces with IoMT System Manager (interface 1) 3. Solicit contributions on IoMT technologies and use cases for additional characteristics to be used by external services/systems (interface 3) 4. Explore technologies to describe tasks performed by MThings 5. Solicit contributions for future extensions of the IoMT standards including mission control and smart contracts |
| Chairmen | Mihai Mitrea, Sang-Kyun Kim, Sungmoon Chun |
| Duration | Until the 2nd MPEG WG7 Meeting |
| Reflector | MIoTW@lists.aau.at |
| Subscribe | http://lists.uni-klu.ac.at/mailman/options/MIoTW |
| Meeting | Friday before the MPEG meeting |
Ad hoc groups of WG 8 – MPEG Genomic Coding:
| Name | AHG on Genomic Information Representation |
| Mandates | 1. To support the dissemination of the CfE and the work for providing answers. 2. To contribute to the improvements of the Study of Text DIS 23092-6. 3. To contribute to the development of amendments 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 on the relationship of Part 3 metadata and protection to Part 6 annotations and related metadata through CE6. 5. To finalize the reference encoder software. 6. To finalize the investigation on privacy protection methods for genomic data and understanding how MPEG-G can support their implementation. 7. To compile common test conditions for the evaluation of MPEG-G performance. 8. To collect additional test data useful to be used for assessing technologies related to the CfE. 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. To discuss and coordinate WG8 contributions to relevant bioinformatics conferences and events. 11. To investigate how to promote MPEG-G among public health regulators and entities dealing with genomic data formats. |
| Chairmen | Jaime Delgado (UPC), Raymond Krasinski (Philips) |
| Duration | Until the next WG8 meeting |
| Reflector | SC29-WG8-AHG@listes.epfl.ch |
| Subscribe | To subscribe, send email to SC29-WG8-AHG-subscribe@listes.epfl.ch |
| Meeting | The Thursday and Friday prior to the WG8 meeting from 1 PM CET to 7 PM CET |
Ad hoc groups of AG 2 – MPEG Technical Coordination:
No ad hoc group were announced.
Ad hoc groups of AG 3 – MPEG Liaison and Communication:
No ad hoc group were announced.
Ad hoc groups of AG 5 – MPEG Visual Quality Assessment:
| Name | AhG on Quality of Immersive Visual Media |
| Mandates | 1. Study Draft Overview of Quality Metrics and Methodologies for Immersive Visual Media (AG 05/N00013). 2. Solicit inputs for exploration experiments on subjective evaluation methods and objective metrics for immersive video (360, MIV, V-PCC, G-PCC). 3. Study existing solutions and solicit inputs related to the quality of immersive media. 4. Study related activities within MPEG (e.g., OMAF, MIV, V-PCC, G-PCC, VQA). |
| Chairmen | Christian Timmerer (AAU/Bitmovin), Joel Jung (Tencent), Aljosa Smolic (Trinity College Dublin) |
| Duration | Until the next MPEG meeting |
| Reflector | mpeg-vqa@lists.rwth-aachen.de |
| Subscribe | https://lists.rwth-aachen.de/postorius/lists/mpeg-vqa.lists.rwth-aachen.de/ |
| Meeting | Online Meeting: Apr 13, 2021, 13:00 UTC |
| Name | AhG on Guidelines for Verification Tests |
| Mandates | 1. Review previous verification tests conducted for MPEG working groups. 2. Determine good examples and identify recommended actions, procedures, and timelines. 3. Draft a guideline document for conducting verification tests on visual quality for MPEG working groups. |
| Chairmen | Mathias Wien, Lu Yu |
| Duration | until the next AG5 meeting |
| Reflector | 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. |