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Steganography Algorithm in Different Colour Model Using an Energy Adjustment Applied with Discrete Wavelet Transform

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Author(s): Carvajal-Gamez | F.J. Gallegos-Funes | A.J. Rosales-Silva

Journal: Signal & Image Processing
ISSN 2229-3922

Volume: 3;
Issue: 4;
Start page: 1;
Date: 2012;
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Keywords: Color images | color models | steganographic algorithms | scaling factor.

ABSTRACT
When color images are processed in different color model for implementing steganographic algorithms, is important to study the quality of the host and retrieved images, since it is typically used digital filters, visibly reaching deformed images. Using a steganographic algorithm, numerical calculations performed by the computer cause errors and alterations in the test images, so we apply a proposed scaling factor depending on the number of bits of the image to adjust these errors.
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