Robust-Fragile Watermarking Dengan Integer Wavelet Transform Untuk Copyright Protection Dan Tampered Detection Pada Citra Berwarna

• HENDRA BUDI KUSNAWAN
• 14210206

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ABSTRAK

ABSTRAK

Nama                  : Hendra Budi Kusnawan

NIM                     : 14210206

Program Studi     : Ilmu Komputer

Fakultas               : Teknologi Informasi

Jenjang                : Strata Dua (S2)

Konsentrasi          : Software Engineering

Judul           : “Robust-Fragile Watermarking Dengan Integer Wavelet Transform Untuk Copyright Protection Dan Tampered Detection Pada Citra Berwarna”

Penggunaan internet dan teknologi memungkinkan berbagi informasi dan data dalam bentuk berbagai citra digital. Namun, kemudahan ini juga membawa risiko penyalahgunaan data seperti mengedit, menyalin, dan memproduksi ulang citra tanpa izin. Penelitian di bidang watermarking terus dilakukan untuk meningkatkan kemampuan proteksi citra digital. Penelitian ini bertujuan meningkatkan robustness untuk perlindungan hak cipta dan fragile watermarking sebagai otentikasi pada citra menggunakan Integer Wavelet Transform (IWT). Teknik watermarking dengan menyisipkan robust watermark pada Red layer dan fragile watermark di Blue layer pada citra host. Watermark disisipkan ke dalam dekomposisi nilai tunggal. Watermark pada R layer dihitung dengan fungsi Hash, untuk kemudian disematkan dengan LSB ke Blue layer. Hasil eksperimen menunjukkan bahwa metode yang diusulkan mampu meningkatkan imperceptibility dan robustness dibandingkan dengan penelitian benchmark yang sudah ada. Skema yang diusulkan mencapai nilai rata-rata PSNR sebesar 51.935 dB dan nilai rata-rata SSIM sebesar 0.976. Skema yang diusulkan mencapai peningkatan rata-rata PSNR sebesar 14,19% dari skema yang sudah ada. Penelitian ini memberikan solusi yang efektif dan tepat dalam melindungi citra dari penggunaan yang tidak sah dan modifikasi tanpa izin.

KATA KUNCI

Citra digital berwarna,Watermarking,Copyright protection,Integer Wavelet Transform (IWT),Robust-frag

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DAFTAR PUSTAKA

DAFTAR PUSTAKA

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