Fast robust data compression method and system

Details Fast robust data compression method and system Fast robust data compression method and system

2005-06-21

2005-06-21

Ha, Dac V. (Department: 2634)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S245000, C375S265000, C348S390100, C348S405100, C704S229000, C704S230000, C382S233000, C382S235000, C382S251000

Reexamination Certificate

active

06909746

ABSTRACT:
A video compression process speeds the optimal choice of quantizers for compressing a data stream by setting up the optimization problem as a path-optimization problem in configuration space and finding the lowest cost path through the configuration space. The process begins with a starting node (or “state”) and propagates least-cost waves through the space until a path is completed to the end. The process may continue using uncompleted paths while their costs are less than the end state, beginning with the lowest cost incomplete path, until an improved path is found. The process may further continue, for a time constrained process, until time runs out or all useful possibilities are exhausted.

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