To provide a technique of suppressing density irregularity in processing halftone.
A printing apparatus includes a dot data generating part and a printing image generating part. The dot data generating part determines a dot forming state for individual printing pixels of a printing image to be formed on a printing medium and generates dot data representing dot forming state determined by half-tone processing performed against the image data which represents a gradation value of individual pixels constituting a previous image. The printing image generating part generates a printing image by mutually combining dot groups formed in each of a plurality of pixel groups in which physical differences are assumed in the dot formation according to dot data. The half-tone processing determines the distribution of the dot number of each of the plurality of the dot groups according to the dot forming sequence thereof in the common printing region.
KOASE TAKASHI
SUMIYA SHIGEAKI
| JP2005047071A | 2005-02-24 | |||
| JP2004009333A | 2004-01-15 |
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