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- W2034237473 abstract "Information-theoretic analysis for parallel Gaussian models of Images prescribe embedding the secret data in low and mid frequency regions of image which have large energies. In this paper, we propose a novel steganographic scheme called robust image adaptive steganography using integer wavelet transform(RIASIWT), which is a practical realization of these prescriptions. Using this scheme we can hide large volumes of data without causing any perceptual degradation of the cover image. The scheme embeds the payload in every non-overlapping 4times4 blocks of the low frequency band of cover image, two pixels at a time, one on either sides of the principal diagonal. Tests for the similarity between the condition number of the cover image and the stego image are done for further embedding. We also perform cover image adjustment before embedding the payload in order to ensure lossless recovery. Embedding done in the low frequency bands ensures robustness against attacks such as compression and filtering. Experimental results show better trade off between Visual perceptivity and capacity compared to the existing algorithms." @default.
- W2034237473 created "2016-06-24" @default.
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- W2034237473 date "2008-01-01" @default.
- W2034237473 modified "2023-10-16" @default.
- W2034237473 title "Robust image adaptive steganography using integer wavelets" @default.
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- W2034237473 doi "https://doi.org/10.1109/comswa.2008.4554484" @default.
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