H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/50 (2006.01) G06T 9/00 (2006.01) H04N 7/26 (2006.01) H04N 7/28 (2006.01) H04N 7/30 (2006.01) H04N 7/34 (2006.01)
Patent
CA 2214663
A coding strategy efficiently codes intra (macroblocks, regions, pictures, VOP) data. This strategy uses two basis approaches, a Fixed Deinterleaved Transform Coding approach, and an Adaptive Deinterleaved Transform Coding approach. Furthermore, within each approach, two types of coders are developed. One coder operates on an entire picture or VOPs and the other coder operates on small local regions. Using coders and decoders of the present invention, efficient coding at a range of complexities becomes possible, allowing suitable tradeoffs for a variety of applications.
Stratégie de codage efficace de données intra (macroblocs, régions, images, VOP) fondée sur deux approches de base, soit le codage à transformée désentrelacé fixe et le codage à transformée désentrelacé adaptatif. Pour chaque approche, deux types de codeurs sont définis : l'un opère sur l'ensemble d'une image ou VOP, l'autre sur de petites régions locales. Les codeurs et décodeurs de la présente invention permettent un codage efficace à divers niveaux de complexité, offrant ainsi des compromis acceptables pour une variété d'applications.
Li Weiping
Puri Atul
Schmidt Robert Lewis
Wus John
At&t Corp.
Competitive Technologies Of Pa Inc.
Kirby Eades Gale Baker
LandOfFree
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