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- W2801138212 abstract "Abstract In this paper, we first propose an adaptive bit-level data embedding (ABDE) method to embed secret data into a cover image and an adaptive checkerboard based prediction (ACBP) method to predict 3/4 of the pixels in an image using its remaining 1/4 of the pixels. Based on ABDE and ACBP, we further propose a parametric reversible data hiding method in encrypted images (PRDHEI). When parameter ɛ = 1 (e ∈ [1, 255]), PRDHEI is a full reversible method that both the original image and secret data can be completely recovered. The embedding rate is much higher than state-of-the-art RDHEI methods. Moreover, when e > 1, the embedding rate of PRDHEI increases significantly. The receiver can fully recover the secret data and reconstruct the original image with very high quality. When ɛ = 255 , PRDHEI reaches its maximum embedding rate of 4.5 bpp while the recovered images are of an average peak signal-to-noise ratio larger than 32 dB." @default.
- W2801138212 created "2018-05-17" @default.
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- W2801138212 date "2018-09-01" @default.
- W2801138212 modified "2023-09-25" @default.
- W2801138212 title "Parametric reversible data hiding in encrypted images using adaptive bit-level data embedding and checkerboard based prediction" @default.
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- W2801138212 doi "https://doi.org/10.1016/j.sigpro.2018.04.016" @default.
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