Picture encoding method and picture decoding method

Details Picture encoding method and picture decoding method Picture encoding method and picture decoding method

H - Electricity

04

N

H04N 7/32 (2006.01) G06T 9/00 (2006.01) H04N 7/26 (2006.01) H04N 7/36 (2006.01) H04N 7/46 (2006.01) H04N 7/50 (2006.01)

Patent

CA 2460471

An image coding method that predictively codes an input image by referencing an image stored in a picture buffer and that decodes the input image that has been coded. The method checks the decoded image if the image is a reference image or an output image that must be held until a display time and, depending the checking result, stores the reference image or the output image in the picture buffer.

L'invention porte sur un procédé de codage d'image qui code de manière prédictive une image entrée par référence à une image stockée dans un tampon d'images et qui décode l'image entrée qui a été codée. Ce procédé permet de vérifier si l'image décodée est une image de référence ou image sortie qui doit être conservée jusqu'à un temps d'affichage et, selon le résultat de vérification, stocke l'image de référence ou l'image sortie dans le tampon d'images.

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