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- W2348908780 abstract "A new digital watermarking method based on Fresnel transform and digital holography was proposed. With this method it is possible to embed watermark in many different observable planes with various distance parameters of Fresnel transform. Therefore, this method can overcome the weakness of having only one transform plane in Fourier digital holography. The watermark produced by this method is real and can be easy to transfer on the Internet. Numerical experiments show that the embedded watermark is robust to signal manipulations,such as superposing noise,cropping and filtering. In addition, multiple keys provide a good security. There is also an application prospect in the fields of E-Banking Security and E-Commerce." @default.
- W2348908780 created "2016-06-24" @default.
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- W2348908780 date "2007-01-01" @default.
- W2348908780 modified "2023-09-24" @default.
- W2348908780 title "Digital Watermark Technique by Use of Fresnel Digital Holography" @default.
- W2348908780 hasPublicationYear "2007" @default.
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