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Adaptive LSB quantum watermarking method using tri-way pixel value differencing
Luo, Gaofeng1,2; Zhou, Ri-Gui1; Luo, Jia1; Hu, WenWen1; Zhou, Yang1; Ian, Hou3

As an important way to protect copyright by embedding watermark in digital images, quantum watermarking catches more and more attentions. In this study, a novel quantum watermarking method on the basis of tri-way pixel value differencing and modified least significant bit (LSB) substitution is proposed. A quantum cover image using the novel-enhanced quantum image representation is partitioned into non-overlapping 2x2 blocks with four pixels firstly. To classify the block as a smooth area or an edge area, the tri-way pixel value differences are calculated and compared with a predefined threshold. The quantum watermark image, which is expanded and scrambled, is then embedded into a quantum cover image by the k-bit LSB substitution method, where k is decided by the level of each block. The embedded quantum watermark can be extracted from the quantum stego-image without the assistance of original quantum cover image. Theoretical analysis and simulation-based experiments demonstrate both the feasibility and capabilities of the proposed quantum watermarking method, which has good visual quality, better robustness, and higher security.

KeywordQuantum Image Watermarking Pixel Value Difference Least Significant Bit Visual Quality
URLView the original
Indexed BySCIE
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary ; Physics, Mathematical
WOS IDWOS:000454839000005
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Cited Times [WOS]:12   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorZhou, Ri-Gui
Affiliation1.Shanghai Maritime Univ, Coll Informat Engn, Shanghai 201306, Peoples R China;
2.Shaoyang Univ, Coll Informat Engn, Shaoyang 422000, Hunan, Peoples R China;
3.Univ Macau, FST, Inst Appl Phys & Mat Engn, Macau, Peoples R China
Recommended Citation
GB/T 7714
Luo, Gaofeng,Zhou, Ri-Gui,Luo, Jia,et al. Adaptive LSB quantum watermarking method using tri-way pixel value differencing[J]. QUANTUM INFORMATION PROCESSING,2019,18(2).
APA Luo, Gaofeng,Zhou, Ri-Gui,Luo, Jia,Hu, WenWen,Zhou, Yang,&Ian, Hou.(2019).Adaptive LSB quantum watermarking method using tri-way pixel value differencing.QUANTUM INFORMATION PROCESSING,18(2).
MLA Luo, Gaofeng,et al."Adaptive LSB quantum watermarking method using tri-way pixel value differencing".QUANTUM INFORMATION PROCESSING 18.2(2019).
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