Reversible method of encoding data

Details Reversible method of encoding data Reversible method of encoding data

1995-09-14

1997-06-17

DeBoer, Todd E.

Coded data generation or conversion

Digital code to digital code converters

Adaptive coding

H03M 738

Patent

active

056401582

ABSTRACT:
A method of reversible data compression is disclosed. The method is an improvement on the Lempel-Ziv data compression method that does not require a prefix for every noncompressed data unit in the encoded data stream. A code is inserted at the beginning of each string of consecutive noncompressed data bytes to indicate that the string is of noncompressed data and the number of bytes in the string. By eliminating the requirement for a separate prefix for each noncompressed data, a higher compression ratio is achieved over conventional Lempel-Ziv encoding methods.

REFERENCES:
patent: 5534861 (1996-07-01), Chang et al.
patent: 5572206 (1996-11-01), Miller et al.
"Techniques of Storing Information with Compression", pp. 1-3.
"Data Compression Algorithm",, pp. 1-6.

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