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Print anti-replication technology based on AM/FM hybrid halftone

机译：基于AM / FM混合半色调的打印防复制技术

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摘要

The anti-replication technology based on the halftone shading image has the characteristics of low cost and good anti-replication performance. In this paper, combined with this anti-replication technology and the halftone image screening technology, using frequency modulation (FM) dot as a carrier hides the information such as words, numbers, symbols in the shading image of the amplitude modulation (AM) dot. After special screening processing, can achieve the effect that eyes can't distinguish. At the same time, in the replica, we can clearly see the information hidden in the shading pattern. In the process of implement this technology, it can achieve better hiding effect and anti-reproduction performance through the shading image with special texture and the special AM/FM screening processing. This technology can be widely used in the copyright protection of labels, securities and books.
机译：基于半色调阴影图像的防复制技术具有成本低，防复制性能好的特点。本文结合这种防复制技术和半色调图像筛选技术，使用调频（FM）点作为载体，可以在调幅（AM）点的阴影图像中隐藏单词，数字，符号等信息。 。经过特殊的筛选处理，可以达到眼睛无法分辨的效果。同时，在副本中，我们可以清楚地看到隐藏在阴影图案中的信息。在实施这项技术的过程中，通过具有特殊纹理的阴影图像和特殊的AM / FM筛选处理，可以实现更好的隐藏效果和抗复制性能。该技术可广泛用于标签，证券和书籍的版权保护。

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