Open AccessThe digital watermarking algorithm using discrete chaotic maps
Author(s) -
А. В. Сидоренко,
И. В. Шакинко
Publication year - 2020
Publication title -
sistemnyj analiz i prikladnaâ informatika
Language(s) - English
Resource type - Journals
eISSN - 2414-0481
pISSN - 2309-4923
DOI - 10.21122/2309-4923-2020-2-72-76
Subject(s) - chaotic , digital watermarking , watermark , algorithm , key (lock) , image (mathematics) , computer science , embedding , channel (broadcasting) , pixel , digital image , jpeg , distortion (music) , noise (video) , feature (linguistics) , artificial intelligence , scrambling , computer vision , image processing , data compression , telecommunications , bandwidth (computing) , amplifier , linguistics , philosophy , computer security
Thealgorithmofformation,embeddingandextractingofdigitalwatermarksusingdiscretechaoticmapsisconsidered.Thekeyfeatureofthedevelopedalgorithmistheformationofthewatermarkusingthediscretechaoticmapandtherestorationofthiswatermarkaftertheimagetransmissionviathecommunicationchannel.Thisispossiblethroughtheuseofthedevelopedmethodthatsearchesforinitialvaluesofdiscretechaoticmapvariablesusedintheformationofthewatermark.Thealgorithmtestingre sultsaregiven.Itisestablishedthattheproposedalgorithmisabletoidentifythemodifiedimageareas.ThealgorithmisresistanttoimageconversioninJPEGformatandtodistortionupto14% of the image pixel values due to the presence of noise. Thus, the proposed algorithm can be used to solve real problems of the defense of digital images transmitted by communication channels.