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METHODS FOR ENTROPY CODING OF SOURCE SAMPLES WITH LARGE ALPHABET
METHODS FOR ENTROPY CODING OF SOURCE SAMPLES WITH LARGE ALPHABET
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机译:具有大字母表的源样本熵编码的方法
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摘要
A general entropy coding method for source symbols is disclosed. This method determines a prefix part and any suffix part for the current symbol. The method divides prefix of the source symbol into at least two parts by comparing a test value related to the prefix part against a threshold. If the test value is greater than or equal to the threshold, the method derives a first binary string by binarizing a first prefix part related to the prefix part using a first variable length code. If the test value related to the prefix part is less than the threshold, the method derives a second binary string by binarizing a second prefix part related to the prefix part using a second variable length code or a first fixed-length code. The method then encodes at least one of the first binary string and the second binary string using a CABAC mode.
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