Memory efficient adaptive block coding

Details Memory efficient adaptive block coding Memory efficient adaptive block coding

H - Electricity

03

M

H03M 7/40 (2006.01)

Patent

CA 2668229

In general, this disclosure is directed to techniques for memory efficient and low complexity adaptive variable length coding (VLC) of data for a variety of applications, such as coding of digital video, image, audio, or speech data. In some aspects, the techniques may exploit properties of particular sets of codewords to support very compact data structures. In other aspects, the techniques may support low-complexity, adaptive encoding and decoding of binary sequences produced by memoryless sources.

La présente invention concerne de façon générale des techniques permettant un codage à longueur variable adaptatif à faible consommation de mémoire et de faible complexité de données destinées à une variété d'applications, telles que le codage de données vidéo numérique, d'image, audio ou vocales. Selon certains aspects, les techniques peuvent utiliser des propriétés d'ensembles particuliers de mots codés afin d'accepter des structures de données très compactes. Selon d'autres aspects, les techniques permettent un codage et un décodage adaptatif de faible complexité de séquences binaires produites par des sources dépourvues de mémoire.

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