2012
DOI: 10.1016/j.sigpro.2011.12.006
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A blind watermarking algorithm based on fractional Fourier transform and visual cryptography

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Cited by 134 publications
(69 citation statements)
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“…Rawat and Raman [13] proposed an SVD-based watermarking scheme to increase security in copyright protection. Makbol and Khoo [14] and Lagzian et al [15] also developed image watermarking schemes based on DWT and SVD to achieve robustness against image processing, but the computational load was substantial.…”
Section: Introductionmentioning
confidence: 99%
“…Rawat and Raman [13] proposed an SVD-based watermarking scheme to increase security in copyright protection. Makbol and Khoo [14] and Lagzian et al [15] also developed image watermarking schemes based on DWT and SVD to achieve robustness against image processing, but the computational load was substantial.…”
Section: Introductionmentioning
confidence: 99%
“…Beberapa skema proteksi hak cipta untuk citra digital telah dikembangkan menggunakan teknik ini [2], [7], [8]. Secara garis besar, skema proteksi hak cipta untuk citra digital yang dikembangkan pada ketiga penelitian tersebut memiliki langkah-langkah yang sama.…”
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“…Pada [7], ekstraksi fitur dilakukan menggunakan discrete wavelet transform, singular value decomposition, dan digunakan teknik k-means clustering untuk mengelompokkan fitur hasil ekstraksi ke dalam dua cluster. Sedangkan pada [8], fitur-fitur dari sub-citra diekstraksi menggunakan fractional Fourier transform dan singular value decomposition. Hasil eksperimen menunjukkan bahwa untuk kebanyakan kasus, skema yang diajukan pada [8] memiliki unjuk kerja yang lebih baik dibandingkan skema yang dikembangkan pada [7].…”
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