Abstract
In order to enhance the statistical security of a data hiding system,the factors that influenced the security of a steganography were analyzed.Three ways to reduce the statistical distortion of the stego-image were found: Increasing embedding efficiency,controlling modifying amplitude and choosing embedding position adaptively.According to the three ways,a new adaptive steganography based on double-layered embedding method was proposed.The new scheme chose pixels under strong noise background as message carrier and embedded secrets in their least significant and second least significant bit-planes.The experimental results on uncompressed images show that the proposed steganography outperforms the prior algorithm for resisting blind steganalysis.
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