Systems and methods for improving the quality of compressed...

G - Physics – 06 – T

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G06T 5/00 (2006.01) G06T 9/00 (2006.01) H04N 7/26 (2006.01)

Patent

CA 2731241

The present invention is directed to systems and methods in which, for a given amount of data required to represent a compressed video signal, the quality of the uncompressed displayed real-time video, as perceived by a typical human viewer, is improved. Systems and methods herein achieve this improvement by attenuating the appearance of blocks without necessarily having a priori knowledge of their locations. The methods described herein attenuate the appearance of these blocks such that the quality of the resultant real-time video, as perceived by the HVS, is improved.

La présente invention concerne des systèmes et procédés dans lesquels, pour une quantité donnée de données nécessaires pour représenter un signal vidéo compressé, la qualité de la vidéo en temps réel visualisée décompressée, telle que perçue par un spectateur humain typique, est améliorée. Ces systèmes et procédés apportent cette amélioration en atténuant lapparence de blocs sans avoir nécessairement une connaissance préalable de leurs positions. Les procédés décrits atténuent lapparence de ces blocs de manière que la qualité de la vidéo en temps réel résultant, telle que perçue par les spectateurs humains, soit améliorée.

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