| 发明名称 |
Gradation conversion device and gradation conversion method |
| 摘要 |
<p>A gradation conversion device (45) that converts a gradation of an image, includes: dither means (51) for dithering the image by adding random noise to pixel values forming the image; and one-dimensional ӣ modulation means (52) for performing one-dimensional ӣ modulation on the dithered image.</p> |
| 申请公布号 |
EP2169941(A1) |
申请公布日期 |
2010.03.31 |
| 申请号 |
EP20090170956 |
申请日期 |
2009.09.22 |
| 申请人 |
SONY CORPORATION |
发明人 |
TSUKAMOTO, MAKOTO;HIRAI, JUN;NISHIO, AYATAKA;TAKAHASHI, NAOMASA |
| 分类号 |
H04N1/405;G09G3/20 |
主分类号 |
H04N1/405 |
| 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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