Copyright Authentication By Using Karhunen-Loeve Transform | ||
| Journal of University of Anbar for Pure Science | ||
| Article 15, Volume 6, Issue 2, August 2012, Pages 50-57 PDF (667.46 K) | ||
| Document Type: Review Paper | ||
| DOI: 10.37652/juaps.2012.63238 | ||
| Authors | ||
| Ghada Thanon Yuonis* ; Sundus Khaleel Ebraheem; Khalil I. Al* | ||
| University of Mosul - College of Computer Sciences and Mathematics | ||
| Abstract | ||
| Authentication is a raised as one of the important subject in field of security. So many techniques for improving authentication were appeared during the last three decades.This paper presents authentication by using Karhunen-Loeve transformation for copyright authentication in digital image, where four various size of watermarking image used to embed them inside the least significant bits of the cover image. The application proved that using Karhunen-Loeve transformation is very useful to improve the authentication, where the watermarking image will appear clearly only when using all eigenvalues to retrieve the watermarking from the resulted image. The number of eigenvalues were studied to give their effect on the robustness of the authentication, the direct proportional relationship appeared between the number of used eigenvalues and the authentication. | ||
| Keywords | ||
| Karhunen; Loeve Transform; KLT; PCA watermarking; Image Processing | ||
| References | ||
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