Re: [AVT] Another incoming liaison, from MPEG

Colin Perkins <csp@csperkins.org> Sun, 13 January 2008 16:33 UTC

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From: Colin Perkins <csp@csperkins.org>
Subject: Re: [AVT] Another incoming liaison, from MPEG
Date: Sun, 13 Jan 2008 16:33:17 +0000
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On 2 Jan 2008, at 21:54, Colin Perkins wrote:
> On 24 Nov 2007, at 16:11, Stephan Wenger wrote:
>> More liaison activity.  This one is addressed to all liaison  
>> contacts of ISO/IEC JTC1/SC29/WG1.  They are responsible for the  
>> JPEG/JBIG still image codecs, and therefore, i think, AVT and  
>> MMUSIC are perhaps most interested.  No action from our side is  
>> requested.
>>
>> They inform us about their progress on JPEG XR, which they  
>> characterize as follows:
>>
>> JPEG XR as specified in Part 2 is a coding format designed for use  
>> with all types of continuous-tone photographic content, and is  
>> based on proposals submitted to JPEG by Microsoft, incorporating  
>> their “HD Photo” coding technology, as currently shipped within  
>> their Windows Vista operating system. The capabilities that it is  
>> designed to enable include the following:
>> –        High performance, embedded-system friendly compression,  
>> particularly characterized by
>>
>> –    Small memory footprint
>>
>> –    Integer-only operations with no divides
>>
>> –        High compression quality
>>
>> –        Lossless or lossy compression using the same algorithm
>>
>> The full text is available here: https://datatracker.ietf.org/ 
>> documents/LIAISON/file500.doc
>
> The chairs propose to send a response to JPEG stating:
>
> ``We are pleased to receive notification of ongoing developments in  
> JPEG pertaining to ISO/IEC 29199 "JPEG digital imaging systems  
> integration" and the new JPEG XR image coding standard. If JPEG  
> should consider the development of a Motion JPEG XR variant, as was  
> done with in Part 3 of the JPEG 2000 standard, we encourage the  
> interested parties to work within the IETF Audio/Video Transport  
> Working Group to develop an RTP Payload Format specification, to  
> allow integration of JPEG XR with the Real-time Transport Protocol,  
> and associated IETF standards for video conferencing, streaming,  
> and IPTV.
>
> In addition, we encourage JPEG to register JPEG XR with the IANA as  
> an Internet media subtype, to facilitate its use with the world- 
> wide web, email, etc.''
>
> Please send any comments on this response to the chairs within the  
> next week.

There were no comments, so the chairs will send this response.

-- 
Colin Perkins
http://csperkins.org/



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