H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/26 (2006.01) H04N 7/50 (2006.01)
Patent
CA 2565737
A method and apparatus for deblocking and edge enhancement of block based digital video includes determining that two blocks share a common boundary; measuring edge activity of the common boundary, comparing the measured edge activity to a first threshold, filtering one or more pixels of the two blocks with a low pass filter if the edge activity is below the first threshold, and enhancing one or more pixels of the two neighboring blocks if the edge activity is at or above the first threshold.
L'invention porte sur un procédé et un appareil de déblocage et amélioration des lisières consistant: à déterminer que deux blocs partagent la même mémoire, à mesurer l'activité de lisière des limites communes, à comparer l'activité de lisière à un premier seuil, à filtrer un ou plusieurs pixels des deux blocs avec un filtre passe bas si l'activité de lisière est inférieure au premier seuil, et à renforcer un ou deux pixels des deux blocs voisins si l'activité de lisière est au niveau du premier seuil ou au-dessus.
Qualcomm Incorporated
Smart & Biggar
LandOfFree
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