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Key signal generating apparatus for digital chromakey system
Key signal generating apparatus for digital chromakey system
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机译:用于数字抠像系统的键信号产生装置
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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.
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