Description of Core Experiments for MPEG-7 New Visual Extensions
N
07/10/26
623002 MPEG-C Video Technologies
6.123002-1 and 23002-2
Both Amd.1 of ISO/IEC 23001-1 (software for testing IDCT accuracy) and the new part ISO/IEC 23002-2 (Integer IDCT/DCT) reached their final stages in MPEG. NB comments were requesting for appropriate editorial improvements, which was observed when the final documents were edited.
For 23002-2, a change of title is requested (removing “implementation” from the previous title).
Documents reviewed:
Text of ISO/IEC 23002-1/FDAM1 Software for Integer IDCT Accuracy Testing
N
07/11/23
23002-2 Fixed point 8x8 DCT/IDCT
9456
Disposition of Comments on ISO/IEC FCD 23002-2
N
07/11/23
9457
Text of ISO/IEC FDIS 23002-2 Fixed-point 88 inverse discrete cosine transform and discrete cosine transform
N
07/12/07
6.223001-4 and 23002-4 Reconfigurable Video Coding (RVC)
The RVC break-out group was active all week from Monday to Thursday. The major work items were:
Major step forward, CD for both parts. The group has approved the promotion to CD of the current two WDs.
The CD includes the specification of bitstream syntax using MPEG-21 BSDL specification and the description of codec configuration using DDL in uncompressed form. Compression of decoder description and bitstream syntax description are currently not included, since further study in CE are needed to select standard BiM technology or a specific technology providing higher compression and/or other functionality.
Text of ISO/IEC CD 23001-4 Codec Configuration Representation (N9453)
The current text has been amended adding contributions from documents: M14874, M14961 and adding the specification of CAL language as informative annex. See below for more details on the content of the mentioned contributions.
Text of CD ISO/IEC 23002-4 Video Tool Library (N9458)
The current text has been amended including contributions from: M14861, M14864, M14873, M14929, M14965. See table below for a summary of each individual contributions
WD 1 of Video Tool Library Extensions (N9459)
Contains those MPEG standard tools which were not yet sufficiently tested or are incomplete by description
The description of Core Experiments in RVC has been updated (N9460)
CE1- Decoder Description Language – it consist of a very detailed investigation of benefit for higher compression of description (BSDL/BiM vs. CDDL) and the possibility of synthesizing directly a parser from a compressed description.
CE2 - Abstract FU description – it describes ongoing developments and testing of toolbox components
RVC Simulation Model (RSM) V6.0 (N9461)
New FU implementations and tools have been included and added from contributions: M14861, M14873, M1864.
The reference SW implementation written in CAL of the MPEG toolbox will probably become a separate part of standard.
RVC Work Plan (N9462) document has been updated including all new new submissions of FUs in textual descriptions, in SW implementations in CAL and under development. Worplan of SW and HDL generator tools has been revised considering the actual development commitments.
RVC Conformance Testing Working Draft 3.0 (N9463)
It is currently used to specify the precise testing of FUs as separate components. It will need to evolve so as to consider conformance of codec configurations with exiting profiles and levels for MPEG-2, MPEG-4 codecs.
It is also expected to evolve into separate part of the standard.
Description of Exploration Experiments in RVC (N9464)
Further investigation about running RVC with non-MPEG tools, in particular with non-compatible interfaces.
This contribution presents textual description for FUs implementing the AVC High profile.
14873
Christophe Lucarz Dave Parlour
Serialized version of some MPEG-4 SP FUs
The contribution provides the textual description and the CAL SW implementation of FUs necessary for the configuration of the MPEG-4 SP in form of “serial” architecture. In other words FUs that process sequentially 8x8 blocks for 420 and for 422 and 444 extension of the SP profile.
14874
Christophe Lucarz, Joseph Thomas-Kerr,
Marco Mattavelli, Ian Burnett
A systematic procedure for the generation of a CAL parser from BDSL in the RVC framework
The contribution describes some results of Core experiment 1.1.In particular it is shown how a XSLT script can process a BSDL syntax description and can geerate a CAL actor that is actually able to parse any bitstreams compliant with the BSDL syntax description. So far three BSDL syntactic construct can successfully be processed by the XSLT script over the 7 present in the BSDL syntax.
14929
Dandan Ding, Marco Mattavelli,
Christophe Lucarz, Lu Yu
Classification of Tokens for FUs of MPEG-4 SP and MPEG-4/AVC in RVC Framework
The contribution specifies the “channels” that are established between FUs of the RVC toolbox in terms of type of tokens carried and on their sequences. Such information cannot be easily extracted by the current version of the RVC textual description, but is fundamental to understand when new configurations of FUs can be implemented.
14931
Dandan Ding, Lu Yu, Marco Mattavelli
A RVC Framework and Tokens Definition Proposed for AVS JiZhun Profile
The contribution presents the textual description and the“channels” specification of the AVS standard so as to share the maximum of common FU partitions, token types and token sequences of the current RVC toolbox.
14932
Sunyoung Lee, Hyungyu Kim, Sinwook Lee,
Jaebum Jun, Si Kyung Kim, Chungku Yie,
Euee S. Jang
CE 1.1. It proposes a modified and extended version of CDDL with the following features: 1) automatic generation of CAL code for syntax parser from a decoder description in CDDL, 2) modified description format for SRT and SET to support both monolithic and hierarchical syntax parsing description, 3) modified description format for DVT to support generic entropy decoding (e.g., CAVLD and exponential-Golomb), 4) new interface description to map CSCI in syntax parser to elements in network of FUs
14933
Sinwook Lee, Jaebum Jun, Byoungjun Kim,
Chungku Yie, Euee S. Jang
Results of RVC CE 1.2: CDDL
The contribution presents a binary compressed format for the description of a network of FUs.
14942
Dandan Ding, Lu Yu, Honggang Qi
Further RVC Exploration Experiments Report on New 8x8 Inverse Transform and Quantization Tools
The contribution presents the result of an experiment where the MPEG-4 SP decoder described in the RVC framework by FUs is reconfigured using a FUs implementing a linear transform algorithm different from the one in the toolbox.
This contribution presents a tutorial guide for the development of CAL FUs that results into efficient SW and synthesizable and efficient HW implementations when CAL is converted to SW and HDL by appropriate code generation tools.
14965
Maxime Pelcat, Mickaël Raulet, Olivier Déforges,
Médéric Blestel, Jean-François Nezan
Implementing SVC from RVC AVC: description of the specific SVC FUs.
The contribution specifies the FUs that are necessary to implement a SVC decoder in the RVC framework when all FUs of AVC are available.
14972
Dandan Ding, Honggang Qi, Lu Yu
Text Description of RVC FUs for Intra Prediction of AVS JiZhun Profile
The contribution reports the textual description of FUs for implementing the AVS intra predition JiZhun profile.
14981
Matthieu Wipliez, Ghislain Roquier, Mickaël Raulet, Jean-François Nezan, Marco Mattavelli, Ian Miller
Status of CAL2C code generation
The contribution presents the development status of a tool for the conversion of a network of FU (i.e. a codec configuration) into C code.
Output Documents:
No.
Title
TBP
Available
23001-4 Codec Configuration Representation
9453
Text of ISO/IEC CD 23001-4 Codec Configuration Representation
