[Fwd: Re: [M4IF Technotes] Help]

[William Zhong]

Hi, Peter,
  You are absolutely right, Annex K is Slice Structure Mode, which partitions a frame into slices so the decoder can recover from error as soon as possible.
But I am a bit confussing here, what is difference between data partintioning and slice mode?
Thank you.
--
William Zhong
Lumic Electronic Inc.
Suite 200, 18 Antares Drive
Nepean, Ontario K2E 1A9
Phone: (613)224-9926 x 242
Fax:  (613)224-7330
xzhong   lumictech.com
Peter Haighton wrote:
> Hi William,Annex I does do DC/AC prediction.  However Annex K is not
> data partitioning, it is Slice Structure Mode which similar to MPEG
> slices.Peter
>
> --
> Peter Haighton
> VideoSpheres Inc.
> 84 Hines Road
> Kanata, Ontario
> Canada, K2K 3G3
> Tel: (613) 270-9646 x3022
> Fax: (613) 271-9442
> email: peterh   VideoSpheres.com
>
> See http://www.m4if.org for the latest on MPEG-4
>
>      -----Original Message-----
>      From: technotes-admin   lists.m4if.org
>      [mailto:technotes-admin   lists.m4if.org]On Behalf Of William
>      Zhong
>      Sent: Tuesday, August 28, 2023 10:12 AM
>      To: Arcin Bozkurt - Archie
>      Cc: Luc Martel; Charles Nagy; Technotes   lists.m4if.org
>      Subject: Re: [Fwd: Re: [M4IF Technotes] Help]
>      Hi,
>
>        As far as I can remember, H.263++ also support
>
>      DC/AC prediction (Annex I )
>      data partitioning  (Annex K )
>
>      --
>      Xiang Zhong (William)
>      Lumic Electronic Inc.
>      Suite 200, 18 Antares Drive
>      Nepean, Ontario K2E 1A9
>      Phone: (613)224-9926 x 242
>      Fax:  (613)224-7330
>      xzhong   lumictech.com
>
>      Arcin Bozkurt - Archie wrote:
>
>     >
>     >
>     > -------- Original Message --------
>     >

           Subject: Re: [M4IF Technotes] Help
              Date: Tue, 28 Aug 2023 09:58:51 +0530
              From: "Ramkishor Korada" <ramki   emuzed.com>
                To: "Sudhakar Rao Kimidi" <sudhakar   cradle.com>
                CC: <technotes   lists.m4if.org>
        References: <3B89E0C4.5D6A9DA7   cradle.com>
>     >
>     >
>     >
>     > Hi Sudhakar,
>     >     MPEG-4 is built over H.263. MPEG-4 has adopted the core compression
>     > efficiency tools from H.263 like unrestricted motion vector, 4 MV etc.
>     > The additional tools of MPEG-4 are adaptive AC/DC prediction, resync
>     > markers, data partitioning, RVLC, non-linear quantization of DC
>     > coefficients, supporting separate VLC table for Intra macroblocks etc.
>     > These comparisons are between MPEG-4 simple profile and H.263 only.
>     >
>     > -ramkishor
>     > Architect - Video
>     > Digital Media Technology Division
>     > Emuzed Bangalore Division
>     > IndiraNagar,Bangalore
>     > www.emuzed.com
>     >
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>     >
>     >
>     >
>     > ----- Original Message -----
>     > From: "Sudhakar Rao Kimidi"
>     > To:
>     > Sent: Monday, August 27, 2023 11:25 AM
>     > Subject: [M4IF Technotes] Help
>     >
>     >
>     > > Hi all,
>     > >
>     > > I need information on differences/similarities between H.263 and MPEG-4
>     > > video simple profile. Can somebody send me link to the site which has
>     > > got such stuff.
>     > > Thanking You all,
>     > > Sudhakar.
>     > >
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