Method for compressing and decompressing integer-vector data

Details Method for compressing and decompressing integer-vector data Method for compressing and decompressing integer-vector data

1997-11-17

2000-11-28

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

H03M 730

Patent

active

061541532

ABSTRACT:
A method for compressing and decompressing integer-vector data by which N-dimensional integer vectors are compressed efficiently and by which a vector that satisfies a specific condition can be quickly decompressed and extracted. The method for compressing integer-vector data, which are represented as an N-dimensional integer vector set T, into an N-dimensional integer vector set T', comprises the steps of: converging a distribution of an i-th component (i is a component number selected from a range wherein i<N) of each vector that belongs to the set T by using a transformation function; and adding information concerning the i-th component to a j-th component (j is a component number selected from a range wherein j>i) in consonance with convergence.

REFERENCES:
patent: 5586222 (1996-12-01), Zhang et al.

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