| 摘要 |
Small area dither matrices including a consolidation of a specified number of threshold values are taken out from within a large area dither matrix, and the plurality of threshold values contained in this are realigned in size sequence and recorded, and initial data is prepared in which is recorded arrangement restoration data representing the arrangement of the threshold values within this small area dither matrix. Then, for each small area dither matrix, a dot arrangement pattern is generated across the scope of the values that the image data can have based on the previously described threshold value data and arrangement data, and this is recorded in the conversion table. By working in this way, it is possible to easily realize the process of converting image data to a dot arrangement pattern formed on the printing medium.
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