Method and structure for scalability type selection in...

Details Method and structure for scalability type selection in... Method and structure for scalability type selection in...

2006-02-07

2006-02-07

Le, Vu (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240110, C375S240190

Reexamination Certificate

active

06996172

ABSTRACT:
A scalability type selection method and structure for hybrid SNR-temporal scalability that employs a decision mechanism capable of selecting between SNR and temporal scalability based upon desired criteria is disclosed. This method and structure utilizes models of the desired criteria such as the extent of motion between two encoded frames, the temporal distance between two encoded frames, the gain in visual quality achieved by using SNR scalability over temporal scalability, and the bandwidth available to the scaleable layer in deciding which form of scalability to use. Furthermore, the method and structure allows for control over the extent to which a certain type of scalability is used. By the selection of parameters used in the models, a certain type of scalability can be emphasized while another type of scalability can be given less preference. This invention not only allows the type of scalability to be selected but also to the degree to which the scalability will be used.

REFERENCES:
patent: 6639943 (2003-10-01), Radha et al.
patent: 6836512 (2004-12-01), Van Der Schaar et al.
patent: 2002/0071486 (2002-06-01), Van Der Schaar et al.
patent: 2002/0181580 (2002-12-01), Van Der Schaar
patent: 2003/0016752 (2003-01-01), Dolbear et al.
patent: 2004/0062304 (2004-04-01), Dolbear et al.

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