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Steganography System Using Wavelet Transform ( Image Inside Image) | ||
| Al-Rafidain University College For Sciences | ||
| Article 1, Volume 0, Issue 28, 2017, Pages 46-65 | ||
| Author | ||
| Fatma Hassan Al-Rubbiay | ||
| Abstract | ||
| Steganography is allowing a user to hide large amounts of information within image and audio files. Steganography is still in an experimental phase and no general theory is available This research suggests method of sub-image (secret image) hiding inside a covered image using discrete wavelet transform, in this method we hide secret image inside details information applied on a covered image. In this way, sub image must be shrinked its values in order to accommodate high resolution details, after this process is accomplished we must try to re-arrange shrinked secret image in simple manner by changing row positions and then changing columns position which get hide secret image and then convert to the inverse discrete wavelet transform it. The proposed system is tested using PSNR criteria and has proved that there are no tangible changes between the cover image and stego image | ||
| Keywords | ||
| Steganography | ||
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