Video encoding including an indicator of an alternate...

H - Electricity – 04 – N

Patent

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Details

H04N 7/64 (2006.01) G06T 9/00 (2006.01) H04N 7/46 (2006.01) H04N 7/68 (2006.01)

Patent

CA 2409027

A method of encoding a video signal representing a sequence of pictures, the method comprising receiving a current picture for encoding, forming a temporal prediction of the current picture from a default reference picture for the current picture, comparing the default reference picture with at least one further reference picture, calculating a measure of the similarity between the default reference picture and each further reference picture and, if the measure of similarity meets a pre-determined criterion, outputting an indicator identifying the further reference picture.

L'invention concerne un procédé de codage d'un signal vidéo représentant une séquence d'images. Ledit procédé consiste à recevoir une image courante pour le codage, à former une prédiction temporelle de ladite image à partir d'une image de référence par défaut pour ladite image, à comparer l'image de référence par défaut avec au moins une autre image de référence, à calculer une mesure de similitude entre l'image de référence par défaut et chaque image de référence supplémentaire et, si la mesure de similitude correspond à un critère prédéterminé, à produire en sortie un indicateur identifiant l'image de référence supplémentaire.

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