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We propose an efficient framework with compatibility between normal printingand printing with special color inks in this paper. Special color inks can beused for printing to represent some particular colors and specific opticalproperties, which are difficult to express using only CMYK inks. Special colorlayers are required in addition to the general color layer for printing withspecial color inks. We introduce a reversible data hiding (RDH) method to embedthe special color layers into the general color layer without visibleartifacts. The proposed method can realize both normal printing and printingwith special color inks by using a single layer. Our experimental results showthat the quality of the marked image is virtually identical to that of theoriginal image, i.e., the general color layer.

Application of Reversible Data Hiding for Printing with Special Color Inks to Preserve Compatibility with Normal Printing