Method and system for compression and decompression of data

Details Method and system for compression and decompression of data Method and system for compression and decompression of data

1992-04-24

1995-03-07

Richardson, Robert L.

Coded data generation or conversion

Digital code to digital code converters

Tree structure

341106, 3642813, 3642303, 364DIG1, G06F 1200, G06F 1300

Patent

active

053965957

ABSTRACT:
A method and system for compressing and decompressing data is provided. In preferred embodiments, a computer system compresses a data buffer comprising a plurality of symbols wherein each symbol has one or more occurrences. The system generates a symbol table containing each symbol and having a corresponding index. For each occurrence of the symbol in the data buffer, the system determines the index for that symbol into the symbol table, and encodes the index into a variable-length portion, a delimiter, and a fixed-length portion. The system then outputs the encoding as the compressed data buffer.

REFERENCES:
patent: 5010345 (1991-04-01), Nagy
patent: 5253325 (1993-10-01), Clark

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