International Journal of Informatics and Computing
Vol. 1 No. 2 (2025): November 2025

A Transform-Domain Robust Watermarking Model Using Discrete Wavelet Transform for Image Copyright Security

Randi Rizal (Unknown)
Nazwa Auliarahman (Unknown)
Siti Rahayu Selamat (Unknown)
Mae B. Lodana (Unknown)

Article Info

Publish Date
30 Nov 2025

Abstract

This research presents the development of a Discrete Wavelet Transform (DWT)–based method designed to strengthen digital copyright protection in images. The proposed approach leverages multi-resolution decomposition to embed copyright information within high-frequency and mid-frequency sub-bands, enabling improved resistance against common image attacks such as compression, noise addition, and geometric manipulation. Experimental evaluation shows that the method maintains high imperceptibility, with minimal impact on visual quality, while achieving strong extraction accuracy under various distortion scenarios. The results confirm that DWT remains a reliable foundation for constructing secure and robust watermarking mechanisms suitable for modern digital content protection needs.

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Journal Info
International Journal of Informatics and Computing
Website

Abbrev

JICO

Publisher

Meta Pustaka Intelektual

Subject

Computer Science & IT Electrical & Electronics Engineering

Description

International Journal of Informatics and Computing (JICO) is the official publication of the Institute of Advanced Informatics and Computing (IAICO). The journal is open to submission from scholars and experts in the wide areas of informatics and computing from the global ...