A copyright protection scheme for digital images using visual cryptography technique
Computer Standards & Interfaces
A novel steganographic algorithm using animations as cover
Decision Support Systems
Hiding data in spatial domain images with distortion tolerance
Computer Standards & Interfaces
Visual-based embedding systems with targeted secret disclosures and applications
International Journal of Ad Hoc and Ubiquitous Computing
Digital secure communication via chaotic systems
Digital Signal Processing
Information Sciences: an International Journal
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Steganography has been proposed as a methodology for transmitting messages through innocuous covers to conceal their existence. This work proposes an asymmetric image steganographic method based on a chaotic dynamic system and the Euler theorem. The hidden message can be recovered using orbits different from the embedding orbits, and the original image is not required to extract the hidden message. Experimental results and discussions reveal that the proposed scheme possesses security, imperceptibility and survivability.