2011
DOI: 10.1016/j.cad.2011.03.011
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A reversible watermarking scheme for two-dimensional CAD engineering graphics based on improved difference expansion

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Cited by 54 publications
(14 citation statements)
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“…The watermark is embedded in the mantissa of the real-valued logpolar coordinates via bit substitution. Peng et al also proposed a reversible watermarking scheme for 2D CAD engineering graphics based on improved difference expansion [10]. The watermark is embedded into the scale factor of the relative coordinates by using improved difference expansion technology.…”
Section: Watermarking For Cad Drawingsmentioning
confidence: 98%
See 3 more Smart Citations
“…The watermark is embedded in the mantissa of the real-valued logpolar coordinates via bit substitution. Peng et al also proposed a reversible watermarking scheme for 2D CAD engineering graphics based on improved difference expansion [10]. The watermark is embedded into the scale factor of the relative coordinates by using improved difference expansion technology.…”
Section: Watermarking For Cad Drawingsmentioning
confidence: 98%
“…However, for 2D CAD drawings, previous studies have primarily focused on protecting and authenticating geometrical information [9,10,12,13]. Little attention has been devoted to the referred problem.…”
Section: Topology Integrity Authenticationmentioning
confidence: 99%
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“…The creation information and logo of a creator are embedded in an electronic file in the form of unaware watermark which cannot be removed during sharing, and the watermark can be detected by a special software package [11,12]. Various watermarking methods were developed for the intellectual property protection of 2D/ 3D CAD models [13][14][15][16][17][18][19][20][21][22][23]. However, in a CPD environment, CAD models are needed to be shared safely, and watermark is not appropriate for sharing design information (design knowledge, parameters and so on) in a secure means.…”
Section: Watermarkmentioning
confidence: 99%