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- W1996945260 abstract "This paper presents a predictor-based watermark scheme that embeds secret bit streams and a DSA signature into an image. For the copyrighting of digital media, a DSA signature is appropriate as a watermarking technique. To improve security, we apply an Arnold transform (AT) to secret messages. We propose new predictors, Left-Top, which the predict current pixel values using neighboring pixel values. Our proposed scheme conceals secret messages by using the difference between current pixel values and predictive pixel values. Experimental results show that our method has low complexity and achieves a higher embedding performance with good perceptual quality compared to the earlier arts. Experimental results verified our proposed watermark method in multimedia communications." @default.
- W1996945260 created "2016-06-24" @default.
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- W1996945260 date "2013-08-29" @default.
- W1996945260 modified "2023-09-24" @default.
- W1996945260 title "Watermark with DSA signature using predictive coding" @default.
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- W1996945260 doi "https://doi.org/10.1007/s11042-013-1667-6" @default.
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