| 摘要 |
A method for video decoding comprises: acquiring, from a bit stream, a syntax for determining the initial value of quantization parameter used in inverse quantization of encoding units comprised in a slice segment; acquiring, on the basis of the acquired syntax, an initial slice-level quantization parameter for quantization parameter prediction used for inverse quantization of encoding units comprised in the slice segment; and acquiring, by using the initial slice-level quantization parameter, a quantization prediction value of the first quantization group of the data unit, which can be processed in parallel, comprised in the slice segment. |
