Algoritma Enkripsi Selektif Citra Digital dalam Ranah Frekuensi Berbasis Permutasi Chaos
<p>This paper presents a selective image encryption in frequency domain. At first, the image is <br />transformed into frequency domain with Discrete Cosine Transform (DCT), and then DCT coefficients are <br />scanned in zigzag, and elements of the low-frequency sub-band are extrac...
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Format: | Article |
Language: | English |
Published: |
Universitas Syiah Kuala
2013-02-01
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Series: | Jurnal Rekayasa Elektrika |
Online Access: | http://www.jurnal.unsyiah.ac.id/JRE/article/view/130 |