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Many reversible data hiding algorithms only scan images in a fixed sequence, leading to low embedding capacity and poor stego-image quality. This paper proposes an adaptive algorithm that divides images into smooth and texture regions based on complexity, and uses different embedding algorithms for each region. Three predictors are used to generate asymmetric histograms and increase embedding capacity through two rounds of embedding in smooth regions. Pixel value ordering (PVO) is used for embedding fewer data in texture regions to maintain image quality. Experimental results show that the algorithm has high embedding capacity and low visual distortion.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Lingyi Chi,Liuping Feng,Yangquan Zhou, andGuokai Wang
"A reversible data hiding algorithm based on image region division", Proc. SPIE 12934, Third International Conference on Computer Graphics, Image, and Virtualization (ICCGIV 2023), 129341W (14 November 2023); https://doi.org/10.1117/12.3008020
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Lingyi Chi, Liuping Feng, Yangquan Zhou, Guokai Wang, "A reversible data hiding algorithm based on image region division," Proc. SPIE 12934, Third International Conference on Computer Graphics, Image, and Virtualization (ICCGIV 2023), 129341W (14 November 2023); https://doi.org/10.1117/12.3008020