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- W770520342 abstract "In this paper, we propose a fault-tolerant secret image sharing scheme based on vector quantization (VQ). The proposed method uses some of the n host images to generate the codebooks for VQ, and compresses the secret image by VQ with the generated codebooks. The VQ indices are thus created and then shared among n shadows. After obtaining the n shadows, they are embedded together with the mixed information of the generated codebooks into the n host images to form the n stego-images. When collecting any r (r ≤ n) of the n stego-images, the VQ indices and codebooks can be retrieved to recover the secret image. However, no information about the secret image can be revealed if obtaining less than r stego-images. Because of using VQ, the secret image is compressed to the VQ indices, and thus easier to be hidden than the non-compressed one. The quality of the recovered image is the same as the one of the ordinary VQ. Key-words: fault-tolerant, secret sharing, vector quantization, data hiding." @default.
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- W770520342 date "2009-01-01" @default.
- W770520342 modified "2023-09-24" @default.
- W770520342 title "Fault-tolerant VQ-style Secret Image Sharing" @default.
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