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- W3085172187 abstract "Abstract In this paper a new technique of dual image watermarking is proposed for protection of ownership rights which utilizes salient properties of homomorphic transform (HT), discrete wavelet transform (DWT), singular value decomposition (SVD) and Arnold transform (AT). In embedding algorithm host image is splitted into reflectance and illumination components using HT, DWT is further applied to the reflectance component resulting in frequency subbands (HL and LH) which are transformed by SVD. Two image watermarks are selected for embedding process whereas security of proposed algorithm is strengthen by performing scrambling of second watermark through AT. Both watermarks are transformed with DWT and SVD. Singular values (SVs) of both transformed watermark are embedded into SVs of host image. Simulation results clearly signifies for high robustness and imperceptibility of proposed algorithm as it is examined under various attacks. Superiority of proposed technique is illustrated by comparing it with other reported methods." @default.
- W3085172187 created "2020-09-21" @default.
- W3085172187 creator A5031170337 @default.
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- W3085172187 date "2020-09-11" @default.
- W3085172187 modified "2023-10-16" @default.
- W3085172187 title "A Novel Dual Image Watermarking Technique Using Homomorphic Transform and DWT" @default.
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- W3085172187 doi "https://doi.org/10.1515/jisys-2019-0046" @default.
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