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  • Robust Digital Watermarking Based on the Log-Polar Mapping 

    Ridzon, R.; Levicky, D. (Společnost pro radioelektronické inženýrství, 2007-12)
    The geometrical attacks are still an open problem for many digital watermarking algorithms used in present time. Most of geometrical attacks can be described by using affine transforms. This article deals with digital ...