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首页> 外文期刊>Journal of visual communication & image representation >User-friendly secret image sharing scheme with verification ability based on block truncation coding and error diffusion
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User-friendly secret image sharing scheme with verification ability based on block truncation coding and error diffusion

机译：基于块截断编码和错误扩散的具有验证能力的用户友好秘密图像共享方案

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摘要

Conventional secret image sharing schemes, which are constructed based on Shamir's method, often suffer from random-liked shares, lossy reconstruction and high computation complexity. In addition, their generated shares are generally in original image format which may lead to more storage and suspicion from invaders. In this paper, we propose a user-friendly secret image sharing scheme based on block truncation coding (BTC) and error diffusion, where meaningful shares can be directly generated without any extra process. The meaningful shares by the proposed scheme are in BTC-compressed format which can reduce the capacity of transfer and storage. In the reconstructing phase, the secret image can be loss-lessly reconstructed by performing XOR operations on bit planes of sufficient BTC-compressed shares. Further, the proposed scheme provides extra verification ability to identify cheaters and check false shares. Theoretical analysis and simulation results demonstrate the feasibility of the proposed scheme. (C) 2015 Elsevier Inc. All rights reserved.
机译：基于Shamir方法构造的传统秘密图像共享方案经常遭受随机喜欢的份额，有损重构和高计算复杂度的困扰。此外，它们生成的份额通常采用原始图像格式，这可能会导致更多存储空间和来自入侵者的怀疑。在本文中，我们提出了一种基于块截断编码（BTC）和错误扩散的用户友好秘密图像共享方案，其中可以直接生成有意义的份额而无需任何额外的处理。拟议方案中有意义的份额采用BTC压缩格式，这可能会减少传输和存储的容量。在重建阶段，可以通过在具有足够的BTC压缩份额的位平面上执行XOR操作来无损地重建秘密图像。此外，提出的方案提供了额外的验证能力，以识别作弊者并检查虚假份额。理论分析和仿真结果证明了该方案的可行性。 （C）2015 Elsevier Inc.保留所有权利。

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