发明名称 |
CHROMAKEY APPARATUS |
摘要 |
A key signal generating apparatus for a digital chromakey system for generating a key signal in accordance with the difference between a reference hue corresponding to a back color data and a hue of an input video data in U-V chroma signal coordinates, in which the gain of key signal is determined by quadratic curve groups in the U-V chroma signal coordinates. |
申请公布号 |
DE3277959(D1) |
申请公布日期 |
1988.02.11 |
申请号 |
DE19823277959 |
申请日期 |
1982.09.10 |
申请人 |
SONY CORPORATION |
发明人 |
YAMAMOTO, KAICHI;YONEMITSU, JUN |
分类号 |
H04N9/75;(IPC1-7):H04N9/75 |
主分类号 |
H04N9/75 |
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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