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An Integer DCT and Affine Transformation Based Image Steganography Method | IEEE Conference Publication | IEEE Xplore

An Integer DCT and Affine Transformation Based Image Steganography Method


Abstract:

This paper proposed an image steganography method based on integer DCT and affine transformation. Integer DCT is an appropriate domain for steganography because it is inv...Show More

Abstract:

This paper proposed an image steganography method based on integer DCT and affine transformation. Integer DCT is an appropriate domain for steganography because it is invertible and lossless, but the change of the DCT coefficients will damage its Laplacian-shape-like distribution. To ensure the security of the method, we use affine transformation to recover the Laplacian-shape-like distribution of the integer DCT coefficients. Experimental results demonstrate that the proposed method can ensure the stego image visually and statistically undetectable even with large payload.
Date of Conference: 18-20 July 2012
Date Added to IEEE Xplore: 23 August 2012
ISBN Information:
Conference Location: Piraeus-Athens, Greece

References

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