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An Improved Wavelet Digital Watermarking Software Implementation

Khalifa, Othman Omran and Yusof, Yusnita and Hassan Abdalla Hashim, Aisha and Olanrewaju, R. F. (2012) An Improved Wavelet Digital Watermarking Software Implementation. In: International Conference on Computer and Communication Engineering (ICCCE 2012), 3-5 July 2012, Kuala Lumpur, Malaysia, 3-5 July 2012, Kuala Lumpur, Malaysia.

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Abstract

There are quite a number of researches in proposing digital image watermarking using Discrete Wavelet Transform (DWT). However, it is clearly observed that each of them is individually distinctive in terms of its scopes and applications. In this paper, a proposed system was thoroughly explained. It includes general work flow, proposed algorithms for both original method and improved method, which were named as subband matching and selective subband matching, respectively and various attacks performed for evaluation. Modification was made to the algorithms where only selected matching subbands were used in embedding and extracting the watermark in this improved method. These methods were compared and tested against attacks using standard benchmark, Stirmark. Experimental results of the proposed methods’ performance were analyzed using Peak Signal to Noise Ratio (PSNR) calculations and Structural SIMilarity (SSIM) index for watermark imperceptibility and robustness, respectively. The improvement could be seen in quality of the watermarked image (imperceptibility) and of extracted watermark (robustness).

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: 4119/24631
Uncontrolled Keywords: digital watermarking, wavelets, Stirmark, SSIM
Subjects: Q Science > Q Science (General)
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User: Dr. Rashidah Funke Olanrewaju
Date Deposited: 14 Feb 2013 10:38
Last Modified: 15 Jun 2017 16:46
URI: http://irep.iium.edu.my/id/eprint/24631

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