Abstract
In the traditional secret image sharing scheme (SIS), the noise-like cover image is vulnerable and thus suspicion is easily aroused by malicious users. Therefore, the meaningful secret image sharing scheme deserves investigation. In this paper, we introduce a new k , n threshold meaningful secret image sharing scheme based on QR code (MSIS-QR). In the proposed MSIS-QR, the secret image is shared with n QR codes, where each share of the scheme is a valid QR code and can be decoded by a QR code scanner. When k or more shares are collected, the secret image can be losslessly recovered by the Chinese remainder theorem. Experimental results indicate the advantages of our scheme in terms of recovered image quality and decoding time.
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