[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: PSVI formalization
Dear Thomas, all, > I don't know much about MPEG-7, but my impression is that the metadata they > want to deal with is much more ambitious than describing the number of lines > and frames. I think they want to describe more abstract characteristics of > scenes, and generally to be able to do SMIL-like things. These properties > don't seem to me to properly belong in with the image data. If this view is > roughly right, it makes a lot of sense to me to have the metadata separate, > just like it makes sense for card catalogs to be separate from books. Yes you are right. In MPEG-7 you can describe very simple things like the number of lines. But the main intent is both to describe images in terms of features like color histograms, shapes, textures and also in terms of some higher semantics like number of persons, the name of the actors aso... There are many applications where such "descriptors" have to be embedded within the image or in the video (as it is possible in jpeg2000 or MPEG-2 with the new amendment: metadata on MPEG-2) or kept separate. Both can be done in textual XML or in binary using BiM. Best regards, Claude. > > Cheers, > > Tom P > > ----------------------------------------------------------------- > The xml-dev list is sponsored by XML.org <http://www.xml.org>, an > initiative of OASIS <http://www.oasis-open.org> > > The list archives are at http://lists.xml.org/archives/xml-dev/ > > To subscribe or unsubscribe from this list use the subscription > manager: <http://lists.xml.org/ob/adm.pl> -- ______________________________________________ ** NEW ADDRESS ** - - - - - - - - - Claude Seyrat EXPWAY 17, rue du Pont aux Choux 75003 Paris, France T: +33 1 44 54 29 28 M: +33 6 07 66 26 63 F: +33 1 44 54 90 49 E: claude.seyrat@e... www.expway.tv
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