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All Journal Jurnal Ilmu Kepolisian
Suryadi Suryadi Suryadi
Indonesia University
Humanities Law, Crime, Criminology & Criminal Justice Social Sciences

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PENGAMANAN DATA DIGITAL MENGGUNAKAN TEKNIK INTEGER WAVELET TRANSFORM DAN LEAST SIGNIFICANT BIT Suryadi Suryadi Suryadi
Jurnal Ilmu Kepolisian Vol 17, No 1 (2023): Jurnal Ilmu Kepolisian Volume 17 Nomor 1 Tahun 2023
Publisher : Sekolah Tinggi Ilmu Kepolisian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35879/jik.v17i1.375

Abstract

AbstractData is an asset for all parties. So that it must always be guarded or secured so that it is not misused by irresponsible parties. One of the methods used for data security is steganography. In this paper, efforts to secure data are discussed through the development of steganographic algorithms using the Haar integer wavelet transform (IWT-Haar) and least significant bit (LSB) techniques to hide secret messages in the form of digital text into digital images (cover images) to produce stego images. The results show that the extracting process is much faster than the embedding process. The PSNR values obtained ranged from 55-71,5 dB (far greater than 40 dB). This shows that the resulting stego image is of very good quality. In plain view, the difference between the cover image and the stego image has not changed significantly.Key words: digital image, embedding, extraction, Haar integer wavelet transform, steganography 
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