Detection and repair of mpeg-2 chroma upconversion artifacts

Details Detection and repair of mpeg-2 chroma upconversion artifacts Detection and repair of mpeg-2 chroma upconversion artifacts

H - Electricity

04

N

H04N 7/12 (2006.01) H04N 9/64 (2006.01) H04N 11/04 (2006.01) H04N 5/44 (2006.01)

Patent

CA 2499997

A method for removing MPEG-2 chroma (120) up-conversion artifacts in a video stream includes detecting a presence of artifacts in an incorrectly up-sampled MPEG-2 video stream and removing the presence of artifacts resulting in an artifact free video stream.

La présente invention concerne un procédé permettant d'éliminer des artéfacts par conversion-élévation de chrominance de MPEG-2 (120) dans un flot vidéo. Ledit procédé consiste à détecter la présence d'artéfacts dans un flot vidéo MPEG-2 sur-échantillonné de manière incorrecte et à éliminer la présence d'artéfacts de manière à obtenir un flot vidéo sans artéfact.

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