Data structure and methods for providing an interactive...

Details Data structure and methods for providing an interactive... Data structure and methods for providing an interactive...

2007-08-21

2007-08-21

Philippe, Gims (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C725S039000

Reexamination Certificate

active

10464370

ABSTRACT:
A data structure suited to efficiently representing a plurality of image streams including common and non-common portions. Specifically, a plurality of similar group of picture (GOP) data structures representing the corresponding plurality of image streams including common and non-common portions is adapted to provide a first encoded stream comprising only P-picture and B-picture access units of one of the similar GOP data structures, and a corresponding plurality of encoded streams comprising only respective I-picture access units of the similar GOP data structures. In this manner, the redundant P-picture and B-picture access units within the encoded streams are eliminated, thereby greatly reducing the bandwidth or memory resources needed to transmit or store the plurality of image streams.

REFERENCES:
patent: 5633683 (1997-05-01), Rosengren et al.
patent: 5847771 (1998-12-01), Cloutier et al.
patent: 6256785 (2001-07-01), Klappert et al.

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