发明名称 |
IMAGE ENCODING AND DECODING METHOD AND DEVICE |
摘要 |
Provided are a method and apparatus for encoding an image capable of improving compression efficiency of the image by compensating for a loss due to quantization of a residual block in the frequency domain, and a method and apparatus for decoding the image. The method of encoding an image includes: generating a prediction macro block for a current macro block; generating a first residual block which is a difference between the prediction macro block and the current macro block; generating a compensation residual block by compensating for a quantization loss of the first residual block in the frequency domain; compensating for the prediction macro block by adding the compensation residual block and the prediction macro block. |
申请公布号 |
EP2252059(A2) |
申请公布日期 |
2010.11.17 |
申请号 |
EP20090716747 |
申请日期 |
2009.03.03 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
HAN, WOO-JIN;KIM, DUCK-YEON |
分类号 |
H04N7/24;H04N19/00;H04N19/105;H04N19/122;H04N19/124;H04N19/126;H04N19/176;H04N19/30;H04N19/36;H04N19/467;H04N19/61 |
主分类号 |
H04N7/24 |
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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