Apparatus and method for data compression/expansion using block-

Details Apparatus and method for data compression/expansion using block- Apparatus and method for data compression/expansion using block-

1997-09-03

2000-05-02

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

Byte length changed

341 50, 707101, H03M 730

Patent

active

060577908

ABSTRACT:
A compression unit compresses original data in block units and encodes compressed data, and it generates continuation flag information expressive of the block length of the compressed data at the top part of the compressed data stored in a storage unit. An expansion unit determines the block length of the remaining data of the compressed data on the basis of the continuation flag information, fetches the remaining data from the storage unit and restores the original data.

REFERENCES:
patent: 4562423 (1985-12-01), Humblet
patent: 5363098 (1994-11-01), Antoshenkov
patent: 5701459 (1997-12-01), Millett et al.
A. Moffat, "Self-Indexing Inverted Files for Fast Text Retrieval", ACM Transactions on Information Systems, vol. 14, No. 4, Oct. 1996, pp. 349-379.
J. Zobel, "Efficient Retrieval of Partial Documents", Information Processing & Management, vol. 31, No. 3, 1995, pp. 361-377.

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