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An Improved Pixel Sieve Method for Visual Cryptography
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 12 - Number 9 |
| Year of Publication: 2011 |
| Authors: Vaibhav Choudhary, Pravin Kumar, Kishore Kumar, D.S. Singh |
10.5120/1714-2297
|
Vaibhav Choudhary, Pravin Kumar, Kishore Kumar, D.S. Singh . An Improved Pixel Sieve Method for Visual Cryptography. International Journal of Computer Applications. 12, 9 ( January 2011), 7-10. DOI=10.5120/1714-2297
Abstract
Visual cryptography encodes a secret image into n shares which are distributed to n participants. Pixel Sieve method was proposed recently to encode an image into shares, but the encryption quality is poor. In this paper an improved version of pixel sieve method is proposed to achieve more security then existing pixel sieve method. Based on cross merge and key shifting schemes, the proposed method generates quite noisy and highly secure encrypted images. The simulation shows that the quality of the encrypted images observably better than existing pixel sieve method.
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