Picture coding method and picture decoding method

H - Electricity – 04 – N

Patent

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Details

H04N 7/32 (2006.01) G06T 9/00 (2006.01) H04N 7/26 (2006.01) H04N 7/36 (2006.01) H04N 7/50 (2006.01) H04N 7/64 (2006.01)

Patent

CA 2448970

An image encoding method includes a step (Step 100) for encoding an image, a step (Step 102) for judging whether an unnecessary memory is present, a step (Step 103) for encoding memory management information to release an unnecessary memory if any, a step (Step 104) for releasing the unnecessary memory, a step (Step 105) for judging whether the memory management information to release an unnecessary memory has been encoded by the encoding of the image immediately before, and a step (Step 106) for again encoding the memory management information for releasing the unnecessary memory if the memory management information has been encoded.

L'invention concerne un procédé de décodage d'image qui comprend les étapes suivantes: codage de l'image (étape 100); détermination de la présence d'une mémoire non nécessaire (étape 102); codage des informations de gestion de mémoires pour la libération de la mémoire non nécessaire éventuellement présente (étape 103); libération de la mémoire non nécessaire (étape 104); évaluation dont le but est de déterminer si les informations de gestion de mémoires pour la libération d'une mémoire non nécessaire a été codée par le codage de la dernière image précédente (étape 105); et répétition du codage des informations de gestion de mémoires pour la libération de la mémoire non nécessaire, si les informations de gestion de mémoires ont été codées (étape 106).

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