A Novel Steganographic Technique Based on 3D-DCT Approach | Zendy

Samir Kumar Bandyopadhyay | Zendy; Tuhin Utsab Paul | Zendy; Avishek Raychoudhury | Zendy

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A Novel Steganographic Technique Based on 3D-DCT Approach

Author(s) -

Samir Kumar Bandyopadhyay,

Tuhin Utsab Paul,

Avishek Raychoudhury

Publication year - 2010

Publication title -

computer and information science

Language(s) - English

Resource type - Journals

eISSN - 1913-8997

pISSN - 1913-8989

DOI - 10.5539/cis.v3n4p229

Subject(s) - discrete cosine transform , computer science , steganography , cover (algebra) , transformation (genetics) , image (mathematics) , information hiding , constraint (computer aided design) , scheme (mathematics) , artificial intelligence , algorithm , computer vision , theoretical computer science , mathematics , mechanical engineering , mathematical analysis , biochemistry , chemistry , geometry , engineering , gene

In this paper, a new technique for hiding the data of images has been proposed. This method uses 3-dimentional discrete cosine transformation scheme, along with 2-dimentional discrete cosine transformation. The method proposed in this paper hides two target images behind one cover image thereby increasing the data hiding capacity greatly. For the cause of security only the final stego-image is sent over the network. This approach is also free from the constraint of size.

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