1. An image processing method for generating density signals corresponding to at least achromatic dots and second kind chromatic
dots, the second kind chromatic dots being in the same color as or a similar color to first kind chromatic dots and having
a smaller size or a lower density than the first kind chromatic dots, the method comprising:
performing image processing to generate at least density signals corresponding to the achromatic dots and the second kind
chromatic dots respectively for forming a monochrome image, the density signals being generated, based on a luminance signal
corresponding to the monochrome image, so that the density signal corresponding to the achromatic dots has a larger value
than the density signal corresponding to the second kind chromatic dots in an entire range of the luminance signal.
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