| 摘要 |
A digital masking operation and machine used in a color control system of a picture reproducing machine such as a color scanner, a color facsimile, or the like, wherein N sets of memory tables are indexed by means of color separtion data of primary colors, and wherein data from each memory table is utilized to output a partial sum of predetermined relation to the input according to a conversion table stored therein and then the output data of the primary colors are added for each of the primary colors, in an adder thereby obtaining masking data for each of the primary colors.
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