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  • 标题:Visual Cryptography Scheme for Color Image Using Random Number with Enveloping by Digital Watermarking
  • 本地全文:下载
  • 作者:Shyamalendu Kandar ; Arnab Maiti ; Bibhas Chandra Dhara
  • 期刊名称:International Journal of Computer Science Issues
  • 印刷版ISSN:1694-0784
  • 电子版ISSN:1694-0814
  • 出版年度:2011
  • 卷号:8
  • 期号:3
  • 出版社:IJCSI Press
  • 摘要:Visual Cryptography is a special type of encryption technique to obscure image-based secret information which can be decrypted by Human Visual System (HVS). This cryptographic system encrypts the secret image by dividing it into n number of shares and decryption is done by superimposing a certain number of shares(k) or more. Simple visual cryptography is insecure because of the decryption process done by human visual system. The secret information can be retrieved by anyone if the person gets at least k number of shares. Watermarking is a technique to put a signature of the owner within the creation. In this current work we have proposed Visual Cryptographic Scheme for color images where the divided shares are enveloped in other images using invisible digital watermarking. The shares are generated using Random Number.
  • 关键词:Visual Cryptography; Digital Watermarking; Random Number
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