RE: Looking for codec for mutiple description video coding

Hi,

 I have  come across lot of technical papers about such MDC codecs :
 eg :
1. A MDMC codec (Multiple Description Motion Compensated) has been
referred in "Error-Resilient Video Coding Using Multiple Description
Motion Compensation" Yao Wang, Senior Member, IEEE, and Shunan Lin,
Student Member, IEEE.This codec has been developed on top of H.263 codec.
In the simplest scenario the MDc encoder generates two descriptions,
containing the coded even and odd frames, respectively. When only a single
description (say, that containing even frames) is received, the decoder
can only use previous even frames for prediction.
 The MDC codec should be able to split the video into 2 or more
independent descriptions. Here I want to try with a basic simple scnario
in which there are two independent descriptions.

 I am looking out for some implementations of such a MDC codec.
Any information will be of great help.

Thanks,
Divya


> >From: [email protected]
> >Reply-To: [email protected]
> >To: [email protected]
> >CC: [email protected]
> >Subject: [codec-devel] Looking for codec for mutiple description video
> coding
> >Date: Thu, 7 Apr 2005 11:51:20 +0530 (IST)
> >
> >Hi,
> >
> >  I am post graduate student from Indian Institute of
> >Technology,Delhi,India. I am working on Resillient Video streaming on
> >Overlay Networks.  I am trying to setup a small testbed for video
> >streaming with MDC encoded video.
> >
> >  I am looking for a codec for Multiple Decsription coding (MDC) for
> video
> >streaming.I want to split the video into two independent streams and
> send
> >them to two independent paths. The receiver video quality would depend
> on
> >the number of streams received.
> >  I would appreciate if someone can help me for the MDC codec.
> >
> >Thanks and Regards,
> >Divya
> >
>
> Does a codec like this already exist? I haven't heard this idea before.
> So... are you sure you only want two streams? You could divide each frame
> into a pair of frames with even/odd pixels only or even/odd lines only.
>
>
>
>
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