Signal processing. Image communication : theory, techniques & applications, Vol. 24 N° 6. Signal processing. Image communication - Juillet 2009
| Titre : | Signal processing. Image communication : theory, techniques & applications, Vol. 24 N° 6. Signal processing. Image communication - Juillet 2009 |
| Type de document : | Bulletin |
| Paru le : | 21/12/2009 |
Dépouillements
Article : texte imprimé
Nicholas Mastronarde, Auteur ;
Mihaela van der Schaar, Auteur
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Layered compression paradigms such as scalable, multiple description, and multi-view video coding, require coupled encoding decisions among layers to achieve optimal distortion performance under buffer constraints.
Moreover, due to the dynamic [...]
Article : texte imprimé
Mourad Ouaret, Auteur ;
Frédéric Dufaux, Auteur ;
Touradj Ebrahimi, Auteur
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Distributed Video Coding (DVC) is a new paradigm for video compression based on the information theoretical results of Slepian–Wolf (SW) and Wyner–Ziv (WZ).
In this work, a performance analysis of image and video coding schemes based on DVC is [...]
Article : texte imprimé
Wesley De Neve, Auteur ;
Davy Van Deursen, Auteur ;
Wim Van Lancker, Auteur
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JPEG 2000 and HD Photo (JPEG XR) enable the coding of images with several adaptivity provisions.
These provisions allow taking into account the constraints of diverse usage environments.
However, the actual adaptation of the coded bitstreams r[...]
Article : texte imprimé
H. Kodikara Arachchi, Auteur ;
X. Perramon, Auteur ;
S. Dogan, Auteur
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Data encryption is one of the key information security technologies used for safeguarding multimedia content from unauthorised access and manipulation in end-to-end delivery and access chains.
This technology, combined with the appropriate cryp[...]
Article : texte imprimé
Christian Käs, Auteur ;
Henri Nicolas, Auteur
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We present methods to efficiently analyze scalable, compressed H.264/scalable video coding (SVC) video streams.
Relying solely on information present in the compressed stream, we estimate the global camera motion, perform motion segmentation an[...]
Article : texte imprimé
Luis Herranz, Auteur ;
José M. Martínez, Auteur
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The huge amount of multimedia content and the variety of terminals and networks make video summarization and video adaptation two key technologies to provide effective access and browsing.
With scalable video coding, the adaptation of video to [...]
Article : texte imprimé
Naeem Ramzan, Auteur ;
Toni Zgaljic, Auteur ;
Ebroul Izquierdo, Auteur
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State-of-the-art coders have been optimised over years according to the needs of the broadcasting industry.
There are however key applications of coding technology whose challenges and requirements substantially differ from broadcasting.
One o[...]
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