Systems and methods for efficient and compact encoding

Details Systems and methods for efficient and compact encoding Systems and methods for efficient and compact encoding

2005-07-19

2005-07-19

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Adaptive coding

C341S107000

Reexamination Certificate

active

06919826

ABSTRACT:
Systems and methods consistent with embodiments of the present invention provide for efficient and compact encoding. In an exemplary method for associating a codeward with a symbol in a file, the frequency of occurrence of the symbols in the file is determined. Next, a threshold is determined. Explicit codewords are assigned to symbols with greater then the threshold. The remaining symbols are ordered in sequence and implicit codewords are assigned to all of remaining symbols. Finally, an encoding table associating the codeword for each symbol is generated.

REFERENCES:
patent: 5933105 (1999-08-01), Cho
patent: 6549148 (2003-04-01), Satoh
patent: 2004/0013311 (2004-01-01), Hirao

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