Compression scheme for interval data

Details Compression scheme for interval data Compression scheme for interval data

2008-06-25

2010-06-08

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

C341S051000

Reexamination Certificate

active

07733245

ABSTRACT:
A method of data compression for use in a data communication's system for an electrical utility or the like to affect the most efficient transfer of data. The data is first formed into a forming a block (B). A parameter (M) is selected from among a group of parameters. Each data value in the block is divided by the selected parameter to produce, for each data value, a quotient (q=└n/M┘) and a remainder (r=n−qM). The quotient of each data value is encoded using unary coding in which the value for the quotient is encoded by transmitting an appropriate number of zeroes followed by a one. The remainder of each data value is encoded using binary encoding, and the resultant encoded block of data is then transmitted. The data values comprising the block of data are positive integer values and the encoding employs a Golomb-Rice code defined by a positive integer parameter.

REFERENCES:
patent: 6735254 (2004-05-01), Thyagarajan
patent: 2003/0039396 (2003-02-01), Irvine et al.

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