Hybrid Domain in LSB Steganography | Zendy

K.B. Shiva Kumar | Zendy; K B Raja | Zendy; Sabyasachi Pattnaik | Zendy

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Hybrid Domain in LSB Steganography

Author(s) -

K.B. Shiva Kumar,

K B Raja,

Sabyasachi Pattnaik

Publication year - 2011

Publication title -

international journal of computer applications

Language(s) - English

Resource type - Journals

ISSN - 0975-8887

DOI - 10.5120/2371-3121

Subject(s) - computer science , steganography , payload (computing) , cover (algebra) , discrete cosine transform , domain (mathematical analysis) , least significant bit , image (mathematics) , secrecy , steganography tools , artificial intelligence , computer vision , rgb color model , algorithm , theoretical computer science , computer security , mathematics , network packet , mathematical analysis , operating system , mechanical engineering , engineering

The maintenance of privacy and secrecy of information in modern communication is accomplished through steganographic technique. Spatial domain techniques are popular ones in image steganography. In this paper, we propose hybrid steganography (HDLS) which is an integration of both spatial and transform domains. The cover image as well as the payload is divided into two cells each. The RGB components of cover image cell I are separated and then transformed individually from spatial to transform domain using DCT/DWT/FFT and embedded in a special manner, the components of cell II retained in spatial domain itself. The proposed algorithm has better PSNR and security as compared to existing techniques.

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