GDL

Journal from gdlhub / 2021-01-21 17:06:05
Oleh : Mohanad Najm Abdulwahed, Ali Kamil Ahmed, Telkomnika
Dibuat : 2021-01-21, dengan 1 file

Keyword : DCT, DWT, Gaussian noise, image encryption, image processing, SVD
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/16384
Sumber pengambilan dokumen : Web

Information security is considered as one of the important issues in the information age used to preserve the secret information through out transmissions in practical applications. With regard to image encryption, a lot of schemes related to information security were applied. Such approaches might be categorized into 2 domains; domain frequency and domain spatial. The presented work develops an encryption technique on the basis of conventional watermarking system with the use of singular value decomposition (SVD), discrete cosine transform (DCT), and discrete wavelet transform (DWT) together, the suggested DWT-DCT-SVD method has high robustness in comparison to the other conventional approaches and enhanced approach for having high robustness against Gaussian noise attacks with using denoising approach according to DWT. MSE in addition to the peak signal-to-noise ratio (PSNR) specified the performance measures which are the base of this study’s results, as they are showing that the algorithm utilized in this study has high robustness against Gaussian noise attacks.

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