Reversible Watermarking Algorithm in DFT Domain for 2D CAD Engineering Graphics

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Abstract:

In this paper, extract the coordinates of the vertices of the 2D CAD graphics to construct the complex-valued signal. And use the signal to do the DFT. The encrypted watermark is embedded into the DFT amplitude by using the IDE algorithm. Experimental results show that the algorithm has good invisibility, with good reversibility. The algorithm has robust against the attacks such as combination of translation, rotation, translation and adding an entity.

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Periodical:

Advanced Materials Research (Volumes 765-767)

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826-830

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Online since:

September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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