| 摘要 |
A system and method are provided for processing digital multi-colour images for the reproduction thereof on a colour printing and/or copying device provided with a plurality of process colours defining a gamut. The system includes a colour processing module, which divides the gamut into multiple sub-gamuts, each defined by three chromatic process colours, and which selects for each pixel of the digital multi-colour image the corresponding sub-gamut. For each pixel it is judged whether or not to add a non-white achromatic process colour or blue to the process colours defining the corresponding sub-gamut.
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