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Two of Three Threshold Visual Cryptography in Block Truncation Coding Scheme with Error DiffusionKeywords: Block Truncation Coding , Error Diffusion , Secret Sharing , Threshold Visual Cryptography. Abstract: A new method of embedding a secret binary data in the Block Truncation Coded image shares is presented. The proposed scheme implements two of three threshold visual encryption. Error reduction is achieved by Floyd-Steinberg Error diffusion.
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