Method and device for decoding syntax element in CABAC decoder

Details Method and device for decoding syntax element in CABAC decoder Method and device for decoding syntax element in CABAC decoder

2008-04-29

2008-04-29

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from code based on probability

C341S050000, C341S051000, C382S239000

Reexamination Certificate

active

07365660

ABSTRACT:
A method and a device for decoding a syntax element in a context-based adaptive binary arithmetic coding (CABAC) decoder perform a binary arithmetic coding (BAD) process and a binarization matching (BM) process in parallel. The method includes determining an expected bin value to make a bin string including the bin value valid while generating a one-bit bin value by performing a BAD process for a syntax element to be decoded; determining whether the generated bin value is the same as the expected bin value; generating the decoded value of the syntax element by de-binarization of a bin string including the generated bin value if the bin value generated in the BAD process is the same as the expected bin value; and performing the BAD process to generate the next bin value if the bin value generated in the BAD process is different from the expected bin value.

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