METHODS OF DIGITAL IMAGES MARKING IN THE FREQUENCY DOMAIN

Wang Jian  , Tropchenko Alexander Juvenalievich

2010 , VOLUME 10, NUMBER 6 ( NOVEMBER-DECEMBER )

ISSN 2226-1494 (print), ISSN 2500-0373 (online)

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Editor-in-Chief

Nikiforov
Vladimir O.
D.Sc., Prof.

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METHODS OF DIGITAL IMAGES MARKING IN THE FREQUENCY DOMAIN

J. Wang, A. J. Tropchenko

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Abstract

The article deals with methods of images marking with digital watermarks, for example, for authentication of
multimedia products. For combination of the implemented image compression algorithms based on wavelet
transform with copyright protection algorithms, Xie Liehua method of wavelet marking is the most suitable. Just in that very method the digital signature is placed in the receptive significant portion of the transformed image, which is preserved the most completely by the compression algorithms.

Keywords: digital watermark, marking, wavelet, robustness

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