Steganography Using Visual Cryptography

Steganography Using Visual Cryptography

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This work is authored by Pratheek Praveen Kumar along with Ruchir Bhgat and Shiksha Suvarna, all three Telecommunications Engineers. Digital Watermarking is the process of irreversibly embedding information into a digital signal. The signal may be audio, pictures or video. There are two types of Watermarking, Visible Watermarking and Invisible Watermarking. In Visible Watermarking, the information is visible in the picture or video. Typically, the information is text or a logo which identifies the owner of the media. Example of Visible Watermark is when a television broadcaster adds its logo to the corner of transmitted video. In Invisible Watermarking, information is added as digital data to audio, picture or video, but it cannot be perceived as such (although it is possible to detect the hidden information). Digital Watermarking schemes are widely being used as potential solution for ownership protection. The Watermarking algorithms in general, may be viewed as digital communication scheme for imperceptible transmission of an auxiliary message through cover image. Several software implementations of the proposed algorithms are available, but very few attempts have been made for the property of robustness and they are not able to provide the good visual Recovery Watermark Image (IWD) as user aspect. This is accomplished by spreading one watermark bit over many samples of the Cover data using a modulated spreading sequence. This is a study of this technology.ix LIST OF ABREVIATIONS AND ACRONYMS ASCII a€“ American Standard Code for Information Interchange CDMA- Code ... Cosine Transform DFD-Data Flow Diagram DWT a€“ Discrete Wavelet Transform EVC a€“ Extended Visual Cryptographyanbsp;...

Title:Steganography Using Visual Cryptography
Author: Pratheek Praveen Kumar, Ruchir Bhagat, Shiksha Suvarna
Publisher:PRATHEEK -

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