Wavelet digital watermarking system design and performance evaluation

Nowadays, it is easy to obtain, manipulate, distribute and store multimedia contents due to evolution of Internet, excellent multimedia tools and low-cost storage devices. Research community and industry has shown extensive interests in developing and implementing possible solutions via digital wate...

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Main Authors: Khalifa, Othman Omran, Yusof, Yusnita
Format: Book Chapter
Language:English
Published: IIUM Press 2011
Subjects:
Online Access:http://irep.iium.edu.my/21552/
http://irep.iium.edu.my/21552/
http://irep.iium.edu.my/21552/1/Chapter_18.pdf
id iium-21552
recordtype eprints
spelling iium-215522012-08-24T06:35:30Z http://irep.iium.edu.my/21552/ Wavelet digital watermarking system design and performance evaluation Khalifa, Othman Omran Yusof, Yusnita TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices Nowadays, it is easy to obtain, manipulate, distribute and store multimedia contents due to evolution of Internet, excellent multimedia tools and low-cost storage devices. Research community and industry has shown extensive interests in developing and implementing possible solutions via digital watermarking. Digital watermarking is distinctive depending on its techniques and applications. In general, digital watermarking is distinguished according to media type (image, audio, video and etc.), visibility (visible and invisible), robustness level (fragile, semi-fragile and robust) and the need for original data (blind, semi-blind and nonblind). The scope of this research is invisible digital image watermarking for gray-scale images using Discrete Wavelet Transform (DWT). The system consists of watermark embedding, attacks and watermark extraction. A new method called subband matching was proposed and implemented. For this method, the I-level DWT coefficients of the watermark image were embedded in 2-level DWT coefficients of the cover image for the same matching subbands. System design consists of introductory details of system input, embedding and extraction processes and system output for the proposed methods. Second section is dedicated to describe evaluations of digital watermarking system. IIUM Press 2011 Book Chapter PeerReviewed application/pdf en http://irep.iium.edu.my/21552/1/Chapter_18.pdf Khalifa, Othman Omran and Yusof, Yusnita (2011) Wavelet digital watermarking system design and performance evaluation. In: Multimedia Encryption, Transmission and Authentication. IIUM Press, Kuala Lumpur, pp. 166-174. ISBN 978-967-418-160-4 http://rms.research.iium.edu.my/bookstore/default.aspx
repository_type Digital Repository
institution_category Local University
institution International Islamic University Malaysia
building IIUM Repository
collection Online Access
language English
topic TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
spellingShingle TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Khalifa, Othman Omran
Yusof, Yusnita
Wavelet digital watermarking system design and performance evaluation
description Nowadays, it is easy to obtain, manipulate, distribute and store multimedia contents due to evolution of Internet, excellent multimedia tools and low-cost storage devices. Research community and industry has shown extensive interests in developing and implementing possible solutions via digital watermarking. Digital watermarking is distinctive depending on its techniques and applications. In general, digital watermarking is distinguished according to media type (image, audio, video and etc.), visibility (visible and invisible), robustness level (fragile, semi-fragile and robust) and the need for original data (blind, semi-blind and nonblind). The scope of this research is invisible digital image watermarking for gray-scale images using Discrete Wavelet Transform (DWT). The system consists of watermark embedding, attacks and watermark extraction. A new method called subband matching was proposed and implemented. For this method, the I-level DWT coefficients of the watermark image were embedded in 2-level DWT coefficients of the cover image for the same matching subbands. System design consists of introductory details of system input, embedding and extraction processes and system output for the proposed methods. Second section is dedicated to describe evaluations of digital watermarking system.
format Book Chapter
author Khalifa, Othman Omran
Yusof, Yusnita
author_facet Khalifa, Othman Omran
Yusof, Yusnita
author_sort Khalifa, Othman Omran
title Wavelet digital watermarking system design and performance evaluation
title_short Wavelet digital watermarking system design and performance evaluation
title_full Wavelet digital watermarking system design and performance evaluation
title_fullStr Wavelet digital watermarking system design and performance evaluation
title_full_unstemmed Wavelet digital watermarking system design and performance evaluation
title_sort wavelet digital watermarking system design and performance evaluation
publisher IIUM Press
publishDate 2011
url http://irep.iium.edu.my/21552/
http://irep.iium.edu.my/21552/
http://irep.iium.edu.my/21552/1/Chapter_18.pdf
first_indexed 2023-09-18T20:32:47Z
last_indexed 2023-09-18T20:32:47Z
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