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LSB based Digital Image Steganography System
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 174 - Number 17 |
| Year of Publication: 2021 |
| Authors: Rawan Mualla M. AlKhuwaytiri, Salah Eldin Z. Olaymi |
10.5120/ijca2021920940
|
Rawan Mualla M. AlKhuwaytiri, Salah Eldin Z. Olaymi . LSB based Digital Image Steganography System. International Journal of Computer Applications. 174, 17 ( Feb 2021), 1-4. DOI=10.5120/ijca2021920940
Abstract
Steganography can be defined as inserting information, such as a text file or a picture file into different types of files such as a picture file, audio file, or a video file.Digital picture steganography is a branch of computer science that is interested in inserting textual/pictorial confidential messages into digital pictures. The purpose of digital picture steganography is securing private and sensitive textual/pictorial information by inserting it into a shield digital picture. Nowadays, digital picture steganography has become an important topic since there is a need for securing digital information.In this paper, a digital picture steganography system is proposed. The proposed system is implemented as a desktop application. The system consists of two parts: confidential picture hiding and confidential picture extraction. To hide a confidential picture into a shield picture, both pictures are shuffled using Arnold Transform. Then, the confidential picture is encrypted and embedded into the shield picture using LSB technique. After that, the stego picture is de-shuffled using Arnold Inverse Transform. To take out a confidential picture from a stego picture, a stego picture is shuffled using Arnold Transform. Then the confidential picture is taken out from the LBS of stego picture. After that, the confidential picture is decrypted and de-shuffled using Arnold Inverse Transform. To evaluate the performance of the system, it was experimented in different gray scale images and PSNR and MSE were calculated and compared.
References
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