An Improved Method for Secret Image Sharing in Color Image through Error Diffusion
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064


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M.Tech / M.E / PhD Thesis | Computer Science & Engineering | India | Volume 4 Issue 3, March 2015

An Improved Method for Secret Image Sharing in Color Image through Error Diffusion

Ashwini N. Waghmare, Prof. Akhil Anjikar, Dr. M. Raghuwanshi

Visual Cryptography is the technique that divides the secret image into n number of shares. Each share consists of some information and when k shares out of n stack together the secret will reveal. However, less than k shares are not work. Color visual cryptography (VC) is a scheme of providing security to a color secret image by encrypting it into n color halftone image shares. A visual cryptogram scheme consists of an encryption algorithm by which a secret image is divided into a set of shares and a decryption algorithm which is used to recover the secret image by staking the shares. In this paper we introduced the concept of visual information pixel (VIP) synchronization and error diffusion to attain a color visual cryptography encryption method that produces meaningful color shares with high visual quality. VIP synchronization retains the positions of pixels carrying visual information of original images throughout the 3 color channels and error diffusion diffuses the errors generates shares pleasant to human eyes.

Keywords: Visual Cryptography Scheme, halftone, visual information pixel, error diffusion, secret sharing, meaningful color shares, digital halftoning

Edition: Volume 4 Issue 3, March 2015

Pages: 1597 - 1601

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How to Cite this Article?

Ashwini N. Waghmare, Prof. Akhil Anjikar, Dr. M. Raghuwanshi, "An Improved Method for Secret Image Sharing in Color Image through Error Diffusion", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB152343, Volume 4 Issue 3, March 2015, 1597 - 1601

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