Video objects coded by keyregions

H - Electricity – 04 – N

Patent

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H04N 7/30 (2006.01) H04N 7/26 (2006.01)

Patent

CA 2280882

A coding protocol provides for coding video data that has been organized as video objects. The protocol provides a keyregion to permit coding of a region of data within the video object having common attributes. According to the protocol a keyregion is identified by a keyregion header, which includes a resync marker that uniquely identifies the keyregion header, a keyregion position signal indicating an origin and a size of the keyregion; and data of the common attribute. Data following the keyregion is coded according to the common attribute.

Un protocole de codage permet le codage de données vidéo ayant été organisées sous la forme d'objets vidéo. Le protocole forme une région clé afin de permettre le codage d'une région de données à l'intérieur de l'objet vidéo ayant des attributs communs. Selon le protocole, une région clé est identifiée par un entête de région clé, lequel comprend un marqueur de resynchronisation identifiant de manière unique l'en-tête de la région clé, un signal de position de région clé indiquant une origine et une taille de la région clé, ainsi que des données de l'attribut commun. Les données suivant la région clé sont codées en fonction de l'attribut commun.

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