DKiS: Decay weight invertible image steganography with private key
CoRR(2023)
摘要
Image steganography, the practice of concealing information within another
image, traditionally faces security challenges when its methods become publicly
known. To counteract this, we introduce a novel private key-based image
steganography technique. This approach ensures the security of hidden
information, requiring a corresponding private key for access, irrespective of
the public knowledge of the steganography method. We present experimental
evidence demonstrating our method's effectiveness, showcasing its real-world
applicability. Additionally, we identified a critical challenge in the
invertible image steganography process: the transfer of non-essential, or
`garbage', information from the secret to the host pipeline. To address this,
we introduced the decay weight to control the information transfer, filtering
out irrelevant data and enhancing the performance of image steganography. Our
code is publicly accessible at https://github.com/yanghangAI/DKiS, and a
practical demonstration is available at http://yanghang.site/hidekey.
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