| 发明名称 |
Picture signal contrast control |
| 摘要 |
The present invention relates to controlling contrast in at least part of a picture. The contrast control is performed by reducing the saturation (2-4) of the picture during contrast increase (1). |
| 申请公布号 |
US7050114(B2) |
申请公布日期 |
2006.05.23 |
| 申请号 |
US20020117827 |
申请日期 |
2002.04.08 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
STESSEN JEROEN HUBERT CHRISTOFFEL JACOBUS;VAN DALFSEN AGE JOCHEM |
| 分类号 |
H04N5/52;H04N5/57;H04N9/68 |
主分类号 |
H04N5/52 |
| 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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