发明名称 |
METHOD AND APPARATUS FOR ENTROPY ENCODING USING HIERARCHICAL DATA UNIT, AND METHOD AND APPARATUS FOR DECODING |
摘要 |
PROBLEM TO BE SOLVED: To provide a video decoding method and apparatus.SOLUTION: A method comprises: obtaining, from a bitstream, a split transformation flag indicating whether a transformation unit included in a coding unit is split; determining a size of at least one transformation unit on the basis of the split transformation flag; determining a context model on the basis of the size of the transformation unit and a color type of a picture to which the transformation unit belongs; extracting a transformation coefficient flag indicating whether there exists a non-zero transformation coefficient in blocks of the transformation unit by entropy-decoding the bitstream by using the determined context model; and obtaining a transformation coefficient included in the transformation unit on the basis of the transformation coefficient flag. |
申请公布号 |
JP2015167380(A) |
申请公布日期 |
2015.09.24 |
申请号 |
JP20150088254 |
申请日期 |
2015.04.23 |
申请人 |
SAMSUNG ELECTRONICS CO LTD |
发明人 |
LEE TAMMY;CHEN JIANLE |
分类号 |
H04N19/13;H04N19/122;H04N19/157;H04N19/176;H04N19/186;H04N19/70 |
主分类号 |
H04N19/13 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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