An Embedded Data Using Slantlet Transform Iman Mohammed Ga’fer Alwan|Enas Muzaffer Al-Ta’ee

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Baghdad Science Journal

Abstract

Data hiding is the process of encoding extra information in an image by making small modification to its pixels. To be practical, the hidden data must be perceptually invisible yet robust to common signal processing operations. This paper introduces a scheme for hiding a signature image that could be as much as 25% of the host image data and hence could be used both in digital watermarking as well as image/data hiding. The proposed algorithm uses orthogonal discrete wavelet transforms with two zero moments and with improved time localization called discrete slantlet transform for both host and signature image. A scaling factor ? in frequency domain control the quality of the watermarked images. Experimental results of signature image recovery after applying JPEG coding to the watermarking image are included.

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1.
Journal BS. An Embedded Data Using Slantlet Transform : Iman Mohammed Ga’fer Alwan|Enas Muzaffer Al-Ta’ee. Baghdad Sci.J [Internet]. 2011Sep.4 [cited 2021Aug.2];8(3):840-8. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/1301
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