ABSTRACT PATTERN PLATE MAKING SYSTEM AND PRINTED MATTER

摘要

PURPOSE:To remove the permanent set of patterns of abstract patterns having fine patterns in a plate making stage of printing an abstract pattern on building material. CONSTITUTION:A picture block transfer section 23 forms the images of the endless pattern as a block in a display mode and repeats the processing to substitute the image data of the randomly selected two blocks by referencing an assigned binary mask by as much as the instructed number of execution times. The data of the finally obtd. block substitution is written into a scramble table 26. A picture element block synthesizing section 21 extracts the two blocks in accordance with the substitution data written in the scramble table 26 in a batch mode, transparently synthesizes the images of these two blocks according to the coefft. alpha of the many valued mask pattern applied from a mask data section 25 and writes the image in the prescribed block position of an image memory 20.