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        <dc:title>PENERAPAN EXPLAINABLE ARTIFICIAL INTELLIGENCE&#13;
(XAI) PADA MODEL DEEP LEARNING UNTUK DETEKSI&#13;
GAMBAR DEEPFAKE MENGGUNAKAN GRAD-CAM</dc:title>
        <dc:creator>Pratama, Nizar Mohammad Bintang Tri</dc:creator>
        <dc:subject>000 Ilmu komputer, informasi dan pekerjaan umum</dc:subject>
        <dc:description>Perkembangan teknologi kecerdasan buatan telah memungkinkan&#13;
pembuatan konten manipulasi wajah yang dikenal sebagai deepfake, yang&#13;
berpotensi menimbulkan dampak serius seperti penyebaran informasi palsu,&#13;
penipuan digital, dan ancaman terhadap privasi individu. Meskipun model deep&#13;
learning mampu mendeteksi deepfake dengan akurasi tinggi, sifat black-box dari&#13;
model tersebut menyebabkan sulitnya memahami proses pengambilan keputusan&#13;
yang dihasilkan. Penelitian ini bertujuan untuk mengembangkan sistem deteksi&#13;
deepfake berbasis arsitektur Xception dengan pendekatan transfer learning dan&#13;
fine-tuning, serta menerapkan metode Explainable Artificial Intelligence (XAI)&#13;
menggunakan teknik Gradient-weighted Class Activation Mapping (Grad-CAM)&#13;
untuk meningkatkan transparansi model. Dataset yang digunakan adalah CelebDFV2&#13;
yang&#13;
terdiri&#13;
dari&#13;
20.000&#13;
citra&#13;
wajah&#13;
asli&#13;
dan&#13;
deepfake,&#13;
dengan&#13;
tahapan&#13;
praproses&#13;
&#13;
meliputi&#13;
resampling,&#13;
face&#13;
cropping&#13;
menggunakan&#13;
MTCNN,&#13;
dan&#13;
augmentasi&#13;
data.&#13;
&#13;
Hasil&#13;
&#13;
evaluasi menunjukkan bahwa model berhasil mencapai akurasi sebesar&#13;
93,6%, nilai recall kelas Fake sebesar 0,98, dan nilai AUC sebesar 0,9888, yang&#13;
mengindikasikan kemampuan diskriminasi model yang sangat baik. Visualisasi&#13;
Grad-CAM membuktikan bahwa model memfokuskan perhatiannya pada area&#13;
wajah yang relevan secara semantik dalam proses klasifikasi, sehingga&#13;
meningkatkan interpretabilitas dan kepercayaan terhadap sistem. Hasil penelitian&#13;
ini dapat dimanfaatkan oleh peneliti, praktisi keamanan digital, jurnalis, serta&#13;
penegak hukum dalam upaya verifikasi keaslian konten visual di era kecerdasan&#13;
buatan.</dc:description>
        <dc:date>2026-05-21</dc:date>
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