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- W2906751696 abstract "Image watermarking is considered as a backbone in multimedia security. A watermark is embedded into a cover image in order to prove the ownership, authenticating data and/or protecting copyright. However, the watermarked image face threats when transmitted through Internet which leads to fair-quality of watermark and even erasing. A new challenge in image watermarking to come up with a new hybrid robust method for ownership proofing which guarantee resistance of the watermark by preserving the watermarked image quality in terms of imperceptibility. This paper aims to provide a new semi-blind based watermarking technique for medical images, using Schur decomposition and DCT. The main idea is the embedding of the watermark in the DCT middle band coefficient of the cover image blocks, after carrying out the Schur decomposition on the image's blocks. The experimental results show that the proposed watermarking method ensures strong robustness and good imperceptibility" @default.
- W2906751696 created "2019-01-11" @default.
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- W2906751696 date "2018-10-01" @default.
- W2906751696 modified "2023-10-14" @default.
- W2906751696 title "Schur and DCT Decomposition Based Medical Images Watermarking" @default.
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- W2906751696 doi "https://doi.org/10.1109/es.2018.00038" @default.
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