| 摘要 |
Provided is a method and apparatus for enhancing the efficiency of entropy-coding a fine granular scalability (FGS) layer. The method of entropy-encoding current coefficients included in a predetermined one of a plurality of separate quality layers includes reading coefficients of lower layers, which correspond to the current coefficients; grouping the current coefficients according to a combination of the coefficients of the lower layers; and encoding each group of the current coefficients using a different context model.
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