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Traditional secret sharing (SS) schemes can reconstruct the secret precisely, but have high computation complexity. Visual secret sharing (VSS) schemes use human visual system to reconstruct the secret without cryptographic computation, but have pixel expansion and loss of contrast. Wang et al. proposed a (2,n)-SS scheme for binary images based on Boolean operation, which has low computation complexity,...
In this paper, we propose a (2, n) secret image sharing scheme with precise reconstruction for binary, grayscale and color image. In sharing phase, XOR-based secret sharing scheme is utilized and each participant is required to hold a certain number of shares, each having the same size as the secret image. In revealing phase, each two participants can recover the original secret image precisely by...
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