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- W3109115623 abstract "For sensitive areas that even the slight distortion in images is not tolerated, we propose a prediction error expansion-based reversible data hiding algorithm which can embed reversible watermark in high dynamic range (HDR) image with low distortion. On the one hand, considering unique floating-point storage format and perceptual characteristics of HDR image, the multiple carriers are generated with low distortion and various characteristics to improve the embedding capacity. On the other hand, multi-model predictor and multi-level embedding strength are adopted adaptively to realize multi-level reversible HDR image information hiding based on prediction error expansion. The experimental results show that the proposed algorithm has good invisibility by making full use of HDR image characteristics. Meanwhile, the multiple strategies of multiple carriers, multi-model predictor and multi-level embedding strength, which further improve the embedding capacity and security of the algorithm, can meet the needs of sensitive areas such as medical processing, judicial authentication, and so on." @default.
- W3109115623 created "2020-12-07" @default.
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- W3109115623 date "2021-02-01" @default.
- W3109115623 modified "2023-10-15" @default.
- W3109115623 title "Reversible data hiding scheme for high dynamic range images based on multiple prediction error expansion" @default.
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- W3109115623 doi "https://doi.org/10.1016/j.image.2020.116084" @default.
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