| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device capable of adjusting the visibility of a dot pattern added to an image.SOLUTION: An image forming device comprises: an image division unit 93 that divides an image represented by image data into a plurality of areas; a size determination unit 95 that determines the size of a dot pattern representing additional information to be superimposed on each area on the basis of color information of each area; and a pattern superimposition unit 97 that superimposes the dot pattern having the determined size on each area. |
