Methods, apparatus, and systems for order-adaptive compression

Details Methods, apparatus, and systems for order-adaptive compression Methods, apparatus, and systems for order-adaptive compression

2006-08-08

2008-03-25

Mai, Lam T. (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Adaptive coding

C341S050000

Reexamination Certificate

active

07348899

ABSTRACT:
Methods, apparatus, and systems are provided for order-adaptive compression. A sting is iterated to produce a compression sequence relative to an alphabet having symbols associated with the string. During the iteration, the order of the alphabet is altered in response to a given frequency condition.

REFERENCES:
patent: 6788227 (2004-09-01), Hall et al.
patent: 2003/0184453 (2003-10-01), Hall et al.
Brailovsky, I.V; et al, “A New Low Complexity Entropy Coding Method” Graphicon 2004, Moscow State University, Sep. 6, 2004, Technical 1-2.
Brailowsky, I. V., et al., “A New Low-Complexity Entropy Coding Method”,Graphicon 2004, Moscow State University, URL:http://www.graphicon.ru/2004/Proceedings/Technical/s4{grave over ())}{grave over (})} 3!.pdf>,(Sep. 6, 2004), 1-2.

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