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- W4292337219 abstract "Reversible data hiding is a data-hiding technique which has the ability to recover the original version from stego-images after the secret information is extracted. In this paper, we propose a novel reversible data-hiding scheme based on an enhanced reduced difference-expansion technique. In the proposed scheme, the original image is divided into non-overlapping quad-blocks for embedding data. Then, to enhance the security, the secret bits are encrypted based on the encryption key and a symmetry-based strategy. To improve embedding capacity further, two adjacent encrypted bits are converted into a corresponding decimal digit. Difference expansion (DE) technique is applied to embed a decimal form instead of a binary version. Moreover, to maintain the good image quality, the enhanced reduced difference-expansion technique is used to reduce the original difference values so that it is suitable for decimal embedding. The experimental results demonstrated that the proposed scheme has achieved better performance in comparison with previous solutions." @default.
- W4292337219 created "2022-08-19" @default.
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- W4292337219 creator A5081856946 @default.
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- W4292337219 date "2022-08-18" @default.
- W4292337219 modified "2023-10-18" @default.
- W4292337219 title "A Novel Reversible Data Hiding Algorithm Based on Enhanced Reduced Difference Expansion" @default.
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- W4292337219 doi "https://doi.org/10.3390/sym14081726" @default.
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