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- W4386198921 abstract "Digital watermarking is a crucial information hiding or steganographic technique that can be infused with other security mechanisms, such as cryptography, to provide more robust security to data. The bit substitution method is primarily employed on a cover image to hide a secret watermark. However, they suffer from lossy compression, cropping, and other issues. In this work, we have proposed a two-out-of-two visual cryptography model that creates only two shares. These two visual secret shares cannot divulge any information on their own, but when used together, they reveal a secret image or watermark. Additionally, a random grid and an XOR operation are used for constructing these shares. A grayscale image is employed for embedding the watermark text in it. Later, the modified image undergoes the message extraction phase to reveal the watermark. Six transformations on the modified image have been done to highlight the behavior of the extracted watermark. A performance analysis is given for each such transformation. Moreover, a performance comparison of the developed model with another exisiting approach is also presented." @default.
- W4386198921 created "2023-08-27" @default.
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- W4386198921 date "2023-01-01" @default.
- W4386198921 modified "2023-09-25" @default.
- W4386198921 title "Digital Watermarking Using Visual Cryptography" @default.
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- W4386198921 doi "https://doi.org/10.1007/978-981-99-3734-9_5" @default.
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