Video encoding and decoding methods and systems for video...

Details Video encoding and decoding methods and systems for video... Video encoding and decoding methods and systems for video...

H - Electricity

04

N

H04N 7/26 (2006.01) H04N 7/50 (2006.01) H04N 21/234 (2011.01)

Patent

CA 2557312

Video encoding and decoding methods and systems for video streaming are provided. The video encoding method includes encoding first resolution frames using scalable video coding, upsampling the first resolution frames to a second resolution, and encoding second resolution frames using scalable video coding with reference to upsampled versions of the first resolution frames.

La présente invention concerne des procédés de codage et décodage vidéo et des systèmes pour service de vidéo en débit continu. Ce procédé de codage vidéo utilise une logique à géométrie variable pour produire les trames selon une première résolution. Un suréchantillonnage permet alors de les convertir en une seconde résolution. Enfin, on utilise la logique de codage à géométrie variable pour coder les trames en seconde résolution, faisant référence aux versions suréchantillonnées des trames de première résolution.

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