H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/30 (2006.01) H04N 7/32 (2006.01)
Patent
CA 2739254
A direction is detected for each block in which a pixel value is changed which is represented by an edge that indicates a direction of change in pixel value in each block, a direction in which a deblocking filter is to be applied to a block boundary is determined based on a direction of an edge detected for a block to be processed which includes the block boundary subject to deblocking and on a direction of an edge detected for a block contacting the block to be processed, and the deblocking filter is applied to the block boundary in accordance with the determined direction.
La présente invention concerne un procédé de déblocage comprenant : une étape consistant à détecter la direction du bord indiquant le changement de direction d'une valeur de pixel de chaque bloc ; une étape consistant à déterminer la direction d'un filtre de déblocage devant être appliqué sur une limite de bloc conformément à la direction de bord détecté, un bloc objet de processus ayant une limite de bloc devant être soumis à déblocage, et un bloc en contact avec le bloc objet de processus ; et une étape consistant à appliquer le filtre de déblocage sur la limite de bloc en fonction de la direction déterminée.
Kamikura Kazuto
Matsuo Shohei
Takamura Seishi
Yashima Yoshiyuki
Marks & Clerk
Nippon Telegraph And Telephone Corporation
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