发明名称 |
ENCODING DEVICE, ENCODING METHOD, DECODING DEVICE, AND DECODING METHOD |
摘要 |
The present technology relates to an encoding device and an encoding method, and a decoding device and a decoding method that are capable of reducing the calculation amount of orthogonal transform processing or inverse orthogonal transform processing. A DWT unit (91) performs a DWT of which the calculation amount is smaller than that of a KLT for residual information. KLT units (92-0 to 92-8) perform separable-type KLTs for a low-frequency component of the residual information that is acquired as a result of the DWT using bases of KLTs of the corresponding intra prediction modes. A coefficient acquired as a result of the KLT and a high-frequency component of the residual information that is acquired as a result of the DWT are losslessly encoded. The present technology can be applied to, for example, an image encoding device. |
申请公布号 |
KR20130088119(A) |
申请公布日期 |
2013.08.07 |
申请号 |
KR20137000138 |
申请日期 |
2011.07.08 |
申请人 |
SONY CORPORATION |
发明人 |
KONDO KENJI |
分类号 |
H04N19/50;H04N19/12;H04N19/134;H04N19/136;H04N19/146;H04N19/147;H04N19/152;H04N19/154;H04N19/157;H04N19/19;H04N19/196;H04N19/423;H04N19/46;H04N19/503;H04N19/51;H04N19/513;H04N19/593;H04N19/60;H04N19/61;H04N19/625;H04N19/635;H04N19/70;H04N19/91 |
主分类号 |
H04N19/50 |
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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