SNR scalable video encoding method and corresponding...

Details SNR scalable video encoding method and corresponding... SNR scalable video encoding method and corresponding...

2006-01-10

2006-01-10

An, Shawn S. (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240090, C375S240160, C375S240120, C375S240260, C348S699000, C382S240000, C382S235000, C382S241000, C382S236000

Reexamination Certificate

active

06985526

ABSTRACT:
The invention relates to scalable video encoders, and, more precisely, to an encoder comprising a base layer and at least an enhancement layer circuit, said circuits being capable of generating enhancement layer video data associated with compressed base layer video data and suitable for transmission to a video decoder. In said encoder, the implemented encoding method, based on a hierarchical triangular mesh representation to which a matching pursuit error coding step is specifically adapted, comprises a base layer encoding step and enhancement layer encoding steps.The invention also relates to a corresponding decoding method.

REFERENCES:
patent: 5699121 (1997-12-01), Zakhor et al.
patent: 6148026 (2000-11-01), Puri et al.
patent: 6292512 (2001-09-01), Radha et al.
patent: 6577310 (2003-06-01), Kim et al.

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