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A discrete wavelet transform based technique for image data hiding

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2 Author(s)
Abdelwahab, A.A. ; Dept. of Electron., Helwan Univ., Cairo ; Hassaan, L.A.

In this paper, a new image data hiding technique based on Discrete Wavelet Transform (DWT) is proposed. The new technique will be used for hiding a secret image S inside a cover image C using two secret keys to obtain a stego-image G. It shows high robustness against many of image processing operations such as lossy compression, blurring, cropping, median filter, sharpen, and addition of noise. The embedded secret image can be extracted with high visual quality. The stego-image is perceptually similar to the original cover image. The proposed technique does not require the original cover image to extract the embedded secret image. The comparative analysis between the proposed technique and the other existing techniques has shown the superiority of the proposed technique.

Published in:

Radio Science Conference, 2008. NRSC 2008. National

Date of Conference:

18-20 March 2008