ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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7
Issue
vol 60 / JULY, 2017
Article
UDC 004.056

EFFICIENCY OF FREQUENCY DOMAIN ALGORITHM OF DIGITAL IMAGE WATERMARKING BASED ON DISCRETE HADAMARD TRANSFORM

V. A. Batura
ITMO University, Saint Petersburg, 197101, Russian Federation; Post-Graduate Student


A. J. Tropchenko
ITMO University; professor


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Abstract. Peculiarities of discrete Hadamard transform application to digital image watermarking are considered. The tolerance of the digital marking algorithm Elham to image size and compression is studied for JPEG and JPEG2000 formats.
Keywords: steganography, digital marking, Hadamard transform, digital images, JPEG compression