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Bit-level based secret sharing for image encryption
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DOI：10.1016/j.patcog.2004.11.010.png)
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Abstract
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A new secret sharing scheme capable of protecting image data coded with B bits per pixel is introduced and analyzed in this paper. The proposed input-agnostic encryption solution generates B-bit shares by combining bit-level decomposition/stacking with a {k, n}-threshold sharing strategy. Perfect reconstruction is achieved by performing decryption through simple logical operations in the decomposed bit-levels without the need for any postprocessing operations. The framework allows for cost-effective cryptographic image processing of B-bit images over the Internet. (C) 2005 Pattern Recognition Society. Published by Elsevier Ltd. All rights reserved.
Keywords:
secret sharing
image encryption
bit-level processing
visual cryptography
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