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A multi-layered plus-minus one reversible data embedding scheme
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DOI：10.1007/s11042-021-10514-x.png)
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Reversible Data Hiding (RDH) is one of the most well-known methods adopted for concealed communication. One of the major issues in RDH is the overflow/underflow which exists in almost all the embedding techniques. This is a major issue which hinders the hiding capacity in many existing techniques. In the proposed novel LSB ODD/EVEN embedding algorithm, neither histogram modification (which involves shifting) nor difference expansion (which involves shifting and expansion of error) techniques are involved. No overflow/underflow problem is reported in the proposed method and involves multilayer embedding. Performance of this approach or any data hiding schemes are usually measured in terms of MSE, PSNR, and SSIM. After multiple layer of embedding the PSNR for 1.5 bpp stands at 43 dB approximately. This approach is tested over standard test images that includes medical images also and compared with well-known existing schemes.
Keyword:
Histogram
ODD
EVEN
Difference expansion
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3
论文数:
2.0W
被引数:
3.2W
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A high capacity reversible data hiding scheme based on generalized prediction-error expansion and adaptive embedding.png)
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