Youngmoo Kim (email: moo@media.mit.edu)

To collect version 1 conformance bitstreams

To progress the MPEG-4 Version 2 Audio Conformance working draft

To discuss evaluation methods for error resilience tools.

You can subscribe by sending an E-mail with just the content 'subscribe'

to the address mp4audconform-request@research.att.com.

Reference software CD

To continue discussion on MPEG-4 Audio Version 2 profiles and levels

To investigate an MPEG-4 Audio transport format

To resolve outstanding issues on the HCR error resilience technique

To discuss conditions for Version 2 verification tests

Update MPEG-7 Audio Requirements, applications, and FAQs,

Obtain new material for MPEG-7 testing and evaluation purposes, and co-ordinate the distribution of said material,

Further specify the MPEG-7 Audio Core Experiment procedure, and edit the Audio CE document, and

Define Core Experiments for Audio descriptors based on the above procedure and the recommendations of the MPEG-7 evaluation AhG meeting in Lancaster UK.

Philip Garner

To asses if such backchanel can be set up in the current MPEG-4 framework and provide extensions to this framework if needed.

To clarify how flow control mechanism relate to MPEG-4 technology.

To conduct implementations and demonstrations of MPEG-4 backchannel.

1.  
2. Study possible extensions to ISO/IEC 13818-2 to improve the display quality of interlaced material on progressive displays
3.  
4. Study the possible use of SMPTE metadata as a method of identifying other display information

3. Study the impact of recommended solutions on MPEG-4

A meeting will be held on the weekend before the July MPEG meeting

1. Coordination of integration for the visual V.1 FDIS software
2. Coordination of bit-stream exchange and verification
3. To identify the combination of tools that are to be supported in version 2

or tktan@psl.com.sg

1. Identify and integrate the necessary changes to the reference software for performing the conformance.
2. To coordinate the creation of Conformance Bitstreams.
3. Review and revise the Video part of the Conformance CD.
4. Review and revise the video part of the conformance WD for version 2

or tktan@psl.com.sg

1. To collect descriptions of core experiments, evaluation criteria and common conditions, editing a document and distribute it to the video group.

2. b) Coordination of core experiments

A meeting will be held on the weekend before the July 99 MPEG meeting

A meeting will be held on the weekend before the July 99 MPEG meeting

AHG on editing the documents of the MPEG-4 video verification model, the MPEG-4 visual PDAM and MPEG-4 video conformance.

To coordinate the software integration of MPEG-7 Visual part of XM tools

ftp Site: ftp.krdl.org.sg (user: anonymous, pwd: e-mail ID) - The ftp site contains the XM source-code and XM software architecture.

1. To develop and evaluate algorithms to improve the MPEG-4 video quality and functionality
2. Complete an algorithm for rate control of multiple VO using B-VOPs
3. Prepare subjective tests for Jul 99 meeting

1. To collect descriptions of core experiments, evaluation criteria and common conditions, editing a document and distribute it to the video group for:

1. FGS
2. Studio Profile

1. Coordination of core experiments

Coordination of bit-stream exchange

A meeting will be held on the weekend before the July 99 MPEG meeting

Ad-hoc group on MPEG-4 Video Verification Tests

1. Temporal scalability in Core Profile,
2. Coding Efficiency

2. To carry out the tests and to prepare the report of the following tests:

1. Main Plus Profile in Version 2,
2. Advanced Real Time Simple Profile tests
3. Error Robustness,
4. Temporal Resolution Stability

3. To optimize test conditions for coding efficiency at High bit rates and prepare the encoded material for the prescreening.

Ulrich Benzler, N. Ito, V. Baroncini, S. Fukunaga

Until the 48th MPEG-meeting (Vancouver)

To verify the applicability and usefulness of the metrics with respect to version 2 level definition and for the assessment of decoder QoS.

1. Discuss XM development.
2. Identify the need for a binary interface for XM components.
3. Discuss the selection of a specific binary interface format (eg. COM, CORBA) if so required.
4. Provide a binary-interface implementation of the XM Architecture if so required.
5. Identify mechanisms for using JAVA-source tools in the XM Architecture.
6. Identify complexity features which should be measured for special XM-components.
7. Identify the means of measuring complexity features.
8. Identify the possibility of integrating computational complexity measures and evaluation tools into the MPEG-7 XM.

1. To collect and refine MPEG-7 Requirements;
2. Update Requirements Document and C&O&TR Document;
3. To keep track of MPEG-7 terminology, and to update the terminology section in the Requirements Document accordingly;
4. To collect MPEG-7 applications and update the MPEG-7 Applications Document.
5. To update the list of links and liaisons

1. To further the work on the DDL, taking into account the Requirements Document, the recommendations from the MPEG-7 Evaluation, and the findings of the Seoul meeting
2. To contribute a proposal for a new version of the DDL to the 48^th meeting

1. To make a single overview of all Description Schemes under consideration (particularly N2676 and N2694), and how they relate to one another;
2. To see how all recommendations from Lancaster are addressed in ongoing work, and to initiate new activities if necessary;
3. To recommend how the work on DSs and generic descriptors can be carried out during and between MPEG meetings, and suggest a division into subtasks;
4. To start identifying generic MPEG-7 elements from the proposals
5. To make an overview of existing practices in archives, broadcast, rights management, etc., and to assess implications for MPEG-7 work;
6. To further the development of DSs in MPEG-7;
7. To identify visual aspects of DSs

1. To collect and refine Requirements for multi-user applications, using m4263 as a starting point
2. To map these application-specific requirements on MPEG-4 Requirements
3. To assess whether pieces of necessary technology are missing from MPEG-4 to meet these requirements, and if so, which pieces
4. To recommend a work plan to add these pieces, if any would exist.
5. To recommend which (potentially new) profiles are needed to support the application

1. Conduct the discussions on MPEG-4 Version 1 Conformance and produce a study of Conformance CD.
2. Conduct the discussions on MPEG-4 Version 2 Conformance and produce a new version of the Version 2 Conformance WD.
3. Finalize the workplan for bitstream exchange.
4. Encourage and coordinate bit stream creation and exchange for Version 1 and Version 2 Specification.

1. Conduct the discussions on Advanced BIFS and produce a study of MPEG-4 version 2 CD.
2. Complete the specification and implementation for application textures in BIFS, application signaling, chroma keying, integration of 3D meshes, Protos and ExternProtos.
3. Provide software for the IM1 Version 2 platform.
4. Contribute to the conformance part for Advanced BIFS.
5. Contribute to the definition of Systems Profiles and Levels.

1. Conduct the discussions on MPEG-J and produce a study of MPEG-4 Version 2 CD.
2. Provide software for the IM1 Version 2 platform.
3. Contribute to the conformance part for MPEG-J.
4. Contribute to the definition of Systems Profiles and Levels.

1. Conduct the discussions on MP4 and produce a study of MPEG-4 Version 2 CD.
2. Provide software for the IM1 Version 2 platform.
3. Support the audio/video/systems group conformance activity in their use of mp4 as the format for bitstream exchange (specification, software and examples).
4. Evaluate if and how the mp4 technology matches MPEG-7 requirements on file format.
5. Contribute to the definition of Systems Profiles and Levels.

1. Work on IPMP Implementation Studies with ISG and Im1;
2. Work on the Overview and Applications Document and the IPMP part of the MPEG-4 Systems FAQ.

1. Complete and publish Systems Version 1 part 5.
2. Support the creation of the MPEG-4 version 2 reference code.
3. Demonstrate Systems Version 1 and 2 Software
4. Apply the IM1 Software Implementation Workplan with the help of the committed partners,
5. Provide for software and test streams for demonstrating MPEG-4 capabilities.
6. Propose a document describing how private implementations of MPEG-4 technology may be used in Im1 development and demonstrations.

1. Deliver text for FPDAM-7 of 13818-1.
2. Provide text for study on FPDAM-7 of 13818-1.
3. Improve text for Internet Drafts related to the transport of MPEG-4 content over the internet jointly with IETF.
4. Investigate the need of new profiles/levels in MPEG-4.

1. Edit the text of MPEG-4 Version 1 Study of Conformance CD.
2. Refine conformance points definition, methods for bit stream conformance.
3. Coordinate test bitstream development & bit stream exchange.

1. Continue verification of body animation for Version 2, coordination with H-Anim.
2. Coordinate final development and verification of FBA conformance bitstreams.
3. Produce additional FBA data sets and evaluate the FBA system.
4. Continue software and bitstream contributions to IM1.

1. To collect and update core experiment descriptions.
2. To administer the work in core experiments.
3. To evaluate maturity of 3DMC tools considered in version 2.
4. Make software and bitstream contributions to IM1.