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• W4210449676 abstract "Reversible data hiding (RDH) for color images has attracted increasing attention in recent years. Due to its effective utilization of the correlation between prediction errors, high-dimensional prediction-error expansion (PEE) can achieve much better performance for color image RDH than low-dimensional PEE. However, existing studies only focus on high-dimensional PEE with nonadaptive embedding. To further improve the embedding performance for color images, we propose a novel three-dimensional PEE method that is adaptive to image content. Double deep Q-network (DDQN), introduced to RDH for the first time, is adopted to find the optimal mapping paths for PEE. In addition, an action selection scheme is presented for DDQN to efficiently find the reversible mapping paths. Extensive experiments show that the proposed method outperforms existing color image RDH methods in image quality." @default.
• W4210449676 created "2022-02-08" @default.
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• W4210449676 date "2022-08-01" @default.
• W4210449676 modified "2023-10-11" @default.
• W4210449676 title "Reversible Data Hiding for Color Images Based on Adaptive 3D Prediction-Error Expansion and Double Deep Q-Network" @default.
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• W4210449676 doi "https://doi.org/10.1109/tcsvt.2022.3146517" @default.
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