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Renuka, A.
- An Integer Wavelet Transform Based Steganography Technique for Color Images
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1 Dept. of CSE, MIT, Manipal, Manipal, IN
2 Dept. of CSE, MIT, Manipal, MIT, Manipal, Manipal, IN
3 Dept. of CSE, Dept. of CSE, MIT, Manipal, Manipal, IN
1 Dept. of CSE, MIT, Manipal, Manipal, IN
2 Dept. of CSE, MIT, Manipal, MIT, Manipal, Manipal, IN
3 Dept. of CSE, Dept. of CSE, MIT, Manipal, Manipal, IN
Source
International Journal of Information and Computation Technology, Vol 3, No 1 (2013), Pagination: 13-23Abstract
This paper proposes a secure color image steganography technique to hide a secret image using the keys, when both the cover image and the secret image are color images. The secret image is hidden by considering the three color components separately. The secret image itself is not hidden, instead the keys are generated using the corresponding color components and the keys are hidden in the respective color components of the cover image. Using the keys the secret image can be extracted. Integer Wavelet Transform (IWT) is used to hide the keys. Experimental results show better Peak Signal to Noise Ratio (PSNR), which is a measure of security compared to other existing color image steganography techniques. In this technique the secret information is hidden in the middle bit-planes of the integer wavelet coefficients in high frequency sub-bands.Keywords
Steganography, IWT, DWT, PSNR, Lifting Scheme, RGBReferences
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