Affiliation:
1. Beijing Institute of Graphic Communication
Abstract
In order to study and broaden theapplication ofinfrared watermark, use the methods of gray componentreplacementto replace some or all of the black ink, get another replacement color. So that make the two colors has same visual effectin the visible light.However,thepresence of differences colors on the content of black ink. UseInfrared detection equipment to analysis two colors findthey existed differences in gray space.Under Infrared can be distinguished.Experiments usingcolor space conversion to achieve GCRalgorithmsand two color using print presses achieve infrared watermark embedding, then get a watermark graphic by infrared detection devices.
Publisher
Trans Tech Publications, Ltd.
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