Coded data generation or conversion – Digital code to digital code converters – To or from code based on probability
Reexamination Certificate
2007-11-20
2007-11-20
JeanPierre, Peguy (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
To or from code based on probability
C382S247000
Reexamination Certificate
active
11436830
ABSTRACT:
A signal encoding method according to the present invention is a signal encoding method of dividing a coding target signal as an object of coding into partition units and performing arithmetic coding based on probability-related information in the partition units, which comprises (1) a configuration information deriving step of analyzing the coding target signal in each of the partition units to derive as configuration information, information about an initial value of the probability-related information used for the arithmetic coding of the coding target signal in the partition unit in question; (2) a coding step of performing the arithmetic coding of the coding target signal in each of the partition units, based on the configuration information derived in the configuration information deriving step; and (3) a configuration information adding step of adding a header containing the configuration information to the arithmetic-coded signal in each of the partition units.
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Adachi Satoru
Boon Choong Seng
Etoh Minoru
Kobayashi Mitsuru
Brinks Hofer Gilson & Lione
Jean-Pierre Peguy
NTT DoCoMo Inc.
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