Abstract
Image steganography is the study of embedding sensitive information in images without distorting their visual quality. In this paper, we have proposed an efficient image steganography algorithm to embed the secret image in the cover image. In this scheme, the secret image is encrypted by scrambling torus method and then to the transformation of the secret data with Discrete Cosine Transform (DCT) compound with secured by a secret key for torus method initialization parameters. The randomness property of the resultant image reduces the possibility of its detection by the human visual system (HVS) and Steganalysis techniques.
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