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Image Encryption using Visual Cryptography and Watermarking Techniques


Sarita, Sudesh Nandal, Sandeep Dahiya
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The present study discusses a novel two layer technique for securing digital images. The two techniques used are visual cryptography (VC) scheme and int-to-int wavelet transforms (IWT). (2, 2) –VC scheme is used to split the secret image into two shares. The IWT is used to decompose the image into its sub bands and the secret image shares are stored in the HH band of the decomposition. Invisibly embedding image shares generated by the visual cryptography in the host image to provide authentication to the shares. The proposed scheme is compared with the traditional discrete cosine transform (DCT) for watermarking. The performance is measured by computing peak signal to noise ratio, mean square error and cross-correlation coefficient.

Sarita, Sudesh Nandal, Sandeep Dahiya

Image Encryption, Decryption, Visual Cryptography, Watermarking, DCT, DWT

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Publication Details

Published in : Volume 2 | Issue 4 | July-August - 2016
Date of Publication Print ISSN Online ISSN
2016-08-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
687-692 IJSRSET1624152   Technoscience Academy

Cite This Article

Sarita, Sudesh Nandal, Sandeep Dahiya, "Image Encryption using Visual Cryptography and Watermarking Techniques", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 4, pp.687-692, July-August-2016.
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