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Secure transmission over stego images with authentication and error correction

机译:通过身份验证和错误纠正在隐秘图像上安全传输

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摘要

Based on image sharing with utilization of the set partitioning in hierarchical trees (SPIHT)-generated bit stream of integer wavelet transform coefficients and the Shamir threshold scheme over a Galois field, we present a new scheme for secure image transmission. Our algorithm integrates the Chinese remainder theorem with a control code idea to design check bits for authentication and error correction and embeds the produced shadows and check bits into cover images to form stego images for transmission. Moreover, our algorithm adopts the advantages of SPIHT features to generate compact shadows with progressive reconstruction. As a result, the algorithm simultaneously possesses high performance of both authentication and error correction and is highly suitable for image transmission over networks in noisy channels, reaches excellent visual quality of stego images, and achieves real time progressive and perfect reconstruction of the secret image. Experimental results have demonstrated these promising features of the proposed method.
机译:基于图像共享,并利用分层树中的集划分(SPIHT)生成的整数小波变换系数位流和Galois字段上的Shamir阈值方案,我们提出了一种用于安全图像传输的新方案。我们的算法将中国余数定理与控制代码思想相结合,以设计用于认证和纠错的校验位,并将产生的阴影和校验位嵌入到封面图像中以形成隐身图像以进行传输。此外,我们的算法利用SPIHT功能的优势,通过渐进重建生成紧凑的阴影。结果,该算法同时具有认证和纠错的高性能,非常适合在嘈杂的信道中通过网络传输图像,达到隐秘图像的出色视觉质量,并实现了秘密图像的实时渐进和完美重建。实验结果证明了所提出方法的这些有希望的特征。

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