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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Bulletin of Electrical Engineering and Informatics CommIT (Communication & Information Technology) Sinkron : Jurnal dan Penelitian Teknik Informatika Jurnal Informatika JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING JURNAL MEDIA INFORMATIKA BUDIDARMA Jurnal Pilar Nusa Mandiri Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Technomedia Journal International Journal of Natural Science and Engineering J-SAKTI (Jurnal Sains Komputer dan Informatika) Data Science: Journal of Computing and Applied Informatics Aptisi Transactions on Management Aptisi Transactions on Technopreneurship (ATT) Building of Informatics, Technology and Science Journal of Information Systems and Informatics Jurnal Informasi dan Teknologi Computer Science and Information Technologies TIN: TERAPAN INFORMATIKA NUSANTARA Journal of Applied Data Sciences Narra J J-SAKTI (Jurnal Sains Komputer dan Informatika) Action Research Literate (ARL) Journal of Artificial Intelligence and Engineering Applications (JAIEA) Proceeding Of International Conference On Education, Society And Humanity
Muhammad Zarlis, Muhammad
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Journal : Data Science: Journal of Computing and Applied Informatics

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Analysis of Embedding Locations in the Subband Frequency DCT on Scanned Images Hidayati, Indri; Budiman, Mohammad Andri; Zarlis, Muhammad
Data Science: Journal of Computing and Applied Informatics Vol. 7 No. 1 (2023): Data Science: Journal of Computing and Applied Informatics (JoCAI)
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jocai.v7.i1-10359

Abstract

Uploading an identity card as an image for the account verification process or transactions online can be a threat to application users. Identity card theft can be carried out by irresponsible persons if the application can be hacked. Therefore, protection of the image is required for authentication. In this study, the proposed technique is watermarking. A watermark in the form of a binary image will be embedded into the image as ownership using a Discrete Cosine Transform. The Discrete Cosine Transform works in the frequency domain. The location of the embedding of different watermarks was analysed in each 8×8 DCT block. The results of the analysis to assess the imperceptibility of original images and watermarked images using PSNR (Peak Signal to Noise Ratio) and SSIM (Structural Similarity Index Measure), while assessing the watermark robustness embedded using NCC (Normalized Cross Correlation). The results show PSNR (Peak Signal to Noise Ratio) ≥ 54 dB with a watermark strength of 0,1 and an average SSIM (Structural Similarity Index Measure) ≥ 0,9 on 4 scanned images in BMP format with a resolution of 100 DPI. A good watermark embedding is done on the green component at middle frequencies to maintain a balance between imperceptibility and robustness. In contrast, the red component at low frequency is vulnerable to attacks in the form of brightness +20 and contrast +50 with an average NCC (Normalized Cross Correlation) ≤ 0,85.
Co-Authors , Rahmad Sembiring Achmad Noerkhaerin Putra Adisasmito, Wiku Bakti Bawono Ady Putra, Wahyu Aidil Halim Lubis AIRLANGGA, EKA Ami Dilham Aminuyati Andrian, Kevin Astuti, Sherly Ayodhia P. Pasaribu, Ayodhia P. Baehaqi Benfano Soewito Buaton, Relita Budhiarti Nababan, Erna Bugis M. Lubis, Bugis M. Christefa, Dea Cut Ita Erliana Dahlan Abdullah Defi Irwansyah Deny Jollyta Dewi, Rafiqa Efendi, Syahril Efendi, Syahril Eka Irawan Elviwani Elviwani, Elviwani Erlina Erlina Erma Julita, Erma Erna Budhiarti Nababan Erna Budiarti Fachry Abda El Rahman Ghazali, Alfin Ginting, Emnita Boru Gunawan Gunawan Hadistio, Ryan Rinaldi Haq, Fesa Asy Syifa Nurul Harahap, Eka Purnama Hartama, Dedy Hasibuan, Nisma Novita Herman Mawengkang Hidayati, Indri Husna, Lina Naelal Indra Gunawan Lewis, Andreas Liana Liana Lidya Rosnita Mahyuddin K. M Nasution Malisie, Ririe F. Marischa Elveny, Marischa Marpaung, Tulus Joseph Herianto Mesran, Mesran Miralda, Viya Mohammad Andri Budiman Muhammad Reza Aulia Muliati, Vika Febri Nasution, Zulaini Masruro Novi Dian Nathasia Nurhayati Siregar, Nurhayati Nurwita, Siti Rakhmawati Ovirianti, Nurul Huda Pasaribu, Roni Fredy Halomoan Poltak Sihombing Prayoga, Nanda Dimas Pulungan, Annisa Fadhillah purba, lia cintia Purba, Roimal Hafizi Purnomo Sidi Priambodo Rahmad, Sofyan Rahman Aulia, Rahman Rahman, Abdu Rahmat Widia Sembiring - Riansyah, Muhammad Romanus Damanik Saib Suwilo Saifullah Saifullah Salamuddin, Muhammad Santoso, Ahmad Imam Sawaluddin Siregar, Jelita Siti Sarah Harahap Sri Melvani Hardi Suherman, Suherman Sukiman, T. Sukma Achriadi Sumarno . Sutarman Sutarman Suyanto Suyanto Syah, Rahmad B. Y. Syahputra, M.R. Syahputra, Muhammad Romi Syahril Effendi Syauqi, Muhammad Irfan Tanjung, Yulia Windi Tobing, Ricardo Joynest Tulus Tulus Tulus Ucuk Darusalam Wahyuni, Arlinda S. Wardhani, Widiastuti Kusumo Zakaria Zakaria Zakarias Situmorang Zulham