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Studying The Noise Effect on Data Hiding Based on Contourlet Coefficients | ||
| IRAQI JOURNAL OF STATISTICAL SCIENCES | ||
| Article 22, Volume 13, Issue 3, 2013, Pages 165-180 PDF (0 K) | ||
| DOI: 10.33899/iqjoss.2013.081297 | ||
| Authors | ||
| khalil I. Alsaif; Nagham salim AL-lella | ||
| Abstract | ||
| The noise have so many effects on secret message embedded on cover image, which cause a high distortion it could reach not to retrieve or difficult to recognize in case of image. In this research a study of noise effect on the image watermark when it embedded on the image contourlet coefficients (contourlet transformation was used as a recent transform for image), so the watermark was embedded in the coefficients which has the low energy to make less effect on the layout as much as possible in addition to give wide area. Different type of noise were added (Gaussain, Salt&Pepper and Speckle Noise) on the practical application shows a clear effect for Gaussain Noise and low effect for Speckle Noise in addition to high security robustness plus difficulty to attacked by hackers. | ||
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