International organisation for standardisation organisation internationale de normalisation


Meeting opening and remarks by the chairmen



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4.2Meeting opening and remarks by the chairmen


The meeting was opened at approximately 9:15am on Sunday 21 October 2007.
At the opening session of the meeting, the JVT chairs reminded participants of the relevant IPR policy as described above, and reviewed the status and plans for the major projects under way in the JVT. The two largest areas of activity consist of scalable video coding (SVC) and multi-view video coding (MVC) extensions of the ITU-T Rec. H.264 | ISO/IEC 14496-10 Advanced video coding (AVC) standard. SVC work was categorized as "phase 1" or "phase 2", depending on whether the work related to the recently-designed initial SVC amendment or to a potential future further SVC extension.
Documents were made available for download at http://ftp3.itu.int/av-arch/jvt-site/2007_10_Shenzhen.
The deadline was Monday October 15th 2007 for registrations and uploads.
Initially-missing non-administrative documents included JVT-Y062, JVT-Y072, and JVT-Y078. However, two of those three were verification documents and the other one was a test sequence donation, so their lateness did not seem to pose any significant issue. The only late-registered (non-parent input) technical contribution was JVT-Y084-L, which wasn't very severely late.
Meeting information could be found at http://market.huawei.com/hwgg/mpeg82/.
A document template had been made available at http://ftp3.itu.int/av-arch/jvt-site/JVT-Yxxx.dot. It contained important instructions and policy information. Participants had been encouraged to read it and use it as the basis of their contributions.
Opening remarks:

  • IPR policy reminder

  • Professional profiles – follow up work on reference software and conformance

  • Scalable video coding (SVC) phase I – final text was to be submitted after review of input from editors, work was needed on reference software and conformance and collaboration with MPEG was needed on verification testing

  • SVC phase II – work areas included investigation of bit depth and chroma format scalability and fine-granularity scalability

  • Multiview video coding (MVC) was a major project underway, and constituted the topic of most contributions to the meeting

Further work and additional needs on the development, standardization, and maintenance of the base specification and the recently-completed professional profiles, and of associated reference software and conformance specifications was also noted. Needs for verification testing to be conducted by the WG 11 parent body were noted and discussed.


The incoming status of work on errata aspects of the AVC specification was as found in JVT-X210 from the previous meeting.
The chair remarked that there were fewer late document uploads this time than a few meetings ago, and that the submitted documents seem to be adhering better to the JVT guidelines in terms of formatting, filenames, etc., which is a good development, although further improvement (particularly in the formatting conventions) is still needed. The recently-established JVT operating rules on that subject may have helped.

4.3JVT communication practices


JVT documents were available at http://ftp3.itu.int/av-arch/jvt-site.
These can also be accessed via ftp with the site name ftp3.itu.int, user ID avguest and password Avguest. Upon login, documents will then be found in the directory "jvt-site". Uploading of contributions is done by upload via ftp protocol to the "jvt-site/dropbox" directory using this account ID and password.
JVT email lists are managed through the site http://mailman.rwth-aachen.de/mailman/options/jvt-xyz, and to send email to one of these reflectors, the email address is "jvt-xyz@lists.rwth-aachen.de", where "xyz" corresponds to

  • "experts" for general experts group discussions

  • "bitstream" for bitstream exchange activities

  • "svc" for SVC work

  • "mvc" for MVC work



4.4Scheduling and logistics notes


Some parallel sessions were held during the meeting, particularly including some parallel review of MVC and SVC contributions. Some “break-out group” (BoG) side activities and informal study efforts were also conducted. Documents produced by break-out group activities (if any) are listed in this report with the abbreviation “BoG” and are suffixed with "-B".
A contribution template JVT-Yxxx.dot for the JVT meeting was made available on the JVT ftp site: http://ftp3.itu.int/av-arch/jvt-site/2007_10_Shenzhen. It contained essential information for JVT participants. Participants had been instructed to read it carefully, particularly if they planned to be submitting contributions to the meeting.
The document registration and upload deadline was Monday 15 October 2007.
Note that the JVT has agreed that no late-uploaded (non-AHG-report, non-liaison, non-verification) contribution will be presented without having a minimum of 4 non-affiliated JVT participants recorded by name as supporting the allowance of such a presentation, in addition to a consensus of the general JVT membership to allow the presentation. Additionally, the provider of a presented late contribution must send an email apology to the JVT email reflector.

Notes on scheduling of topics:

Sunday – SVC

Monday morning – Did not meet (parent plenary)

Monday 1:30 pm onwards – MVC

Tuesday 9:00 am – Requirements-related topics (non-MVC)

Tuesday 10:00 am – Various topics

Tuesday 2:00 pm – FTV & depth maps (incl. USNB input comments)

Tuesday 4:00 pm – SVC (FTV in parallel)

Wednesday 9 am – 10:45 am – Did not meet (parent plenary)

Wednesday time 11:00 – SVC testing

Wednesday 2:00 pm MVC (Sydney)

Wednesday 2:00 pm Joint w/ Systems on transport/storage for SVC (Hawaii)

Wednesday 6:00 pm – Social event

Thursday 9:00 am – AVC corrigenda and splicing

Thursday 11:00 am Prof prof ref soft & conf (bothFPDAM w/ edit period)

Thursday 11:02 am SVC ref soft & conf (no action now on these)

Thursday 11:05 am SVC phase 1 editing review

Thursday 11:10 am FTV applications & needs

Thursday 2:00 pm Joint w/ Systems on transport/storage for SVC (Hawaii)

Thursday 2:00 pm MVC (Sydney)

Thursday 8:00 pm SVC phase 2 revisits

Thursday JVT-Y084 splicing + other subjects

Thursday SVC phase 1 editing review + other subjects

Thursday 4:00 pm SVC test & plan revisit

Friday – Meeting end by 2 pm




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