H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/26 (2006.01) G06T 9/40 (2006.01) H03M 7/30 (2006.01)
Patent
CA 2452639
The invention regards a method for compressing a hierarchical tree describing a multimedia signal, said tree comprising nodes and leaves, which can be associated to contents of at least two distinct types.According to the invention, said method implements a content compression for at least some of said leaves by means of at least two compression encoding techniques, each of said techniques being selectively associated to at least one of said content types.
L'invention concerne un procédé de compression d'un arbre hiérarchique décrivant un signal multimédia. Ledit arbre est doté de noeuds et de feuilles que l'on peut associer aux contenus d'au moins deux types distincts. Conformément à la présente invention, ledit procédé permet d'appliquer une compression de contenus pour au moins certaines desdites feuilles au moyen d'au moins deux techniques de codage de compression. Chacune de ces techniques sera sélectivement associée à au moins l'un des types de contenus.
Concolato Cyril
Cotarmanac'h Alexandre
Pau Gregoire
Seyrat Claude
Thienot Cedric
Expway
France Telecom
Groupe Des Ecoles Des Telecommunications
Oyen Wiggs Green & Mutala Llp
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