Color image encryption using double rand
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Shuqun Zhang; Mohammad A. Karim
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Article
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1999
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John Wiley and Sons
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English
⚖ 352 KB
A new encryption technique is proposed to encrypt color images using existing optical encryption systems for gray-scale images. The color images are con¨erted to their indexed image formats before they are encoded. At the decryption end, the color images are reco¨ered by con¨erting the decrypted ind