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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Attacks on Steganographic Systems and Watermarking
 Gavornik, Jakub ; Barabas, Maroš (referee) ; Henzl, Martin (advisor)
This thesis focuses on steganalysis, which is detection of steganography, and then on at- tacks on digital watermarking, which aim to invalidate watermarks. The application for stegograms detection is designed and implemented in this thesis. The application focuses on the images, produced by substitution of the least significant bits in QuickStego program. Reliable detection is insured by the designed method, which decodes information embedded in the image, and searches for specific data embedded by the program QuickStego. In the end of the thesis, few experiments are conducted on the sample images, which confirm the ability of detecting stegograms.
Detailed record
Attacks on Steganographic Systems and Watermarking
 Gavornik, Jakub ; Barabas, Maroš (referee) ; Henzl, Martin (advisor)
This thesis focuses on steganalysis, which is detection of steganography, and then on at- tacks on digital watermarking, which aim to invalidate watermarks. The application for stegograms detection is designed and implemented in this thesis. The application focuses on the images, produced by substitution of the least significant bits in QuickStego program. Reliable detection is insured by the designed method, which decodes information embedded in the image, and searches for specific data embedded by the program QuickStego. In the end of the thesis, few experiments are conducted on the sample images, which confirm the ability of detecting stegograms.
Detailed record

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