| 摘要 |
A color separation processing method and circuit for reproducing a color image with four color components of yellow, magenta, cyan, and black. The method comprises the steps of: receiving target color signals representing a portion of the color image; determining an amount of a black color component of the portion of the color image so that the black color component of the portion is gradually changed from other neighbor portions of the color image; and determining amounts of yellow, magenta, and cyan components of the portion of the color image according to the amount of the black color component. The circuit realizes the method above.
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