Method and apparatus for binarization and arithmetic coding...

Details Method and apparatus for binarization and arithmetic coding... Method and apparatus for binarization and arithmetic coding...

2006-08-08

2006-08-08

Mai, Lam T. (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from code based on probability

C341S050000

Reexamination Certificate

active

07088271

ABSTRACT:
Binarization a data value comprises binarizing the minimum of the data value and a predetermined cut-off value in accordance with a first binarization scheme, in order to yield a primary prefix. If the data value is greater than the cut-off value, binarizing a difference of the data value minus the predetermined cut-off value in accordance with a second binarization scheme to obtain a binary suffix, the first binarization scheme being different from the second binarization scheme, and appending the primary suffix to the primary prefix is performed. A very effective compression of data values may be achieved by using the binarization scheme for preparing the syntax elements for the arithmetic coding, the binarization scheme substantially being a combination of two different binarization schemes, and by using binary arithmetic coding instead of m-ary arithmetic coding for coding the binarized syntax elements.

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