Dictionary-based compression and decompression

Details Dictionary-based compression and decompression Dictionary-based compression and decompression

2007-10-09

2007-10-09

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Unnecessary data suppression

C711S004000

Reexamination Certificate

active

11230068

ABSTRACT:
The invention discloses a compressor for encoding data and a decompressor for decoding data. The data compressor comprises an encoder configured to encode a data file using a dictionary-based compression. The encoder is configured to reset the dictionary at least once while encoding the data file, thereby forming a plurality of encoded data blocks. The invention discloses also a data decompressor comprising a decoder configured to decode a data file compressed using a dictionary-based compression. The decoder is configured to recognize at least one block boundary within the data file and to restart decoding at the block boundary.

REFERENCES:
patent: 5586280 (1996-12-01), Simms
patent: 6067381 (2000-05-01), Benayoun et al.
patent: 6653954 (2003-11-01), Rijavec
patent: 2003/0090398 (2003-05-01), Rijavec
patent: 2003/0179114 (2003-09-01), Kampf
patent: 2003/0218554 (2003-11-01), McGuire
patent: 2005/0025332 (2005-02-01), Seroussi
patent: 0673122 (2001-11-01), None
patent: WO 0239591 (2002-05-01), None

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