Method of context adaptive binary arithmetic coding and...

Details Method of context adaptive binary arithmetic coding and... Method of context adaptive binary arithmetic coding and...

2008-04-29

2008-04-29

Nguyen, Khai M. (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from code based on probability

C341S050000, C341S051000, C341S106000, C382S244000, C382S245000, C382S246000, C382S247000

Reexamination Certificate

active

11567514

ABSTRACT:
A method of context adaptive binary arithmetic coding (CABAC) of a sequence of data slices permits for quick initialization of context models. The data slices include a plurality of binarized symbols with context individual values having one or more bins of the binarized symbol. The method includes resetting an addressable status register for each new data slice where the status register includes status flag for one of a plurality of available context variable values. Context models are selected for each of a plurality of context individual values and are coded according to a selected context model. A selected context model is updated for an actual context index value based on the previous context index value.

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