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Discrete Wavelet Transform (DWT) Based Dual Watermarking For Authentication And Copyright Protection

Digital media faces significant challenges related to unauthorized access, manipulation, and copyright infringement, necessitating effective authentication and copyright protection mechanisms. This thesis proposes a novel dual watermarking scheme based on the Discrete Wavelet Transform (DWT) to addr...

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Main Author: Lim, Chen Gen
Format: Undergraduates Project Papers
Language:English
Published: 2023
Subjects:
QA75 Electronic computers. Computer science
Online Access:http://umpir.ump.edu.my/id/eprint/40696/1/CD20136%20%5B2%5D.pdf
http://umpir.ump.edu.my/id/eprint/40696/
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spelling my.ump.umpir.406962024-09-24T02:45:37Z http://umpir.ump.edu.my/id/eprint/40696/ Discrete Wavelet Transform (DWT) Based Dual Watermarking For Authentication And Copyright Protection Lim, Chen Gen QA75 Electronic computers. Computer science Digital media faces significant challenges related to unauthorized access, manipulation, and copyright infringement, necessitating effective authentication and copyright protection mechanisms. This thesis proposes a novel dual watermarking scheme based on the Discrete Wavelet Transform (DWT) to address these concerns. The primary objective of the proposed scheme is to provide robust copyright protection. A watermark, carrying ownership and copyright information, is embedded in the spatial domain using the DWT. This watermark acts as a digital signature, enabling the identification and tracing of the rightful owner of the content. The frequency domain embedding enhances the watermark's robustness against common attacks. In addition to copyright protection, the scheme incorporates a fragile watermark for authentication purposes. The fragile watermark is embedded in the least significant bit which is highly sensitive to any modifications or tampering. By extracting and comparing the fragile watermark, the integrity and authenticity of the content can be verified. Comprehensive experimental evaluations have been conducted to assess the performance of the proposed dual watermarking scheme. The results demonstrate its effectiveness in providing robust copyright protection and authentication capabilities. The scheme exhibits high imperceptibility, preserving the visual quality of the watermarked content, while ensuring a high level of sensitivity to unauthorized alterations. 2023-06 Undergraduates Project Papers NonPeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/40696/1/CD20136%20%5B2%5D.pdf Lim, Chen Gen (2023) Discrete Wavelet Transform (DWT) Based Dual Watermarking For Authentication And Copyright Protection. Faculty of Computing, Universiti Malaysia Pahang Al-Sultan Abdullah.
institution Universiti Malaysia Pahang Al-Sultan Abdullah
building UMPSA Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang Al-Sultan Abdullah
content_source UMPSA Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic QA75 Electronic computers. Computer science
spellingShingle QA75 Electronic computers. Computer science
Lim, Chen Gen
Discrete Wavelet Transform (DWT) Based Dual Watermarking For Authentication And Copyright Protection
description Digital media faces significant challenges related to unauthorized access, manipulation, and copyright infringement, necessitating effective authentication and copyright protection mechanisms. This thesis proposes a novel dual watermarking scheme based on the Discrete Wavelet Transform (DWT) to address these concerns. The primary objective of the proposed scheme is to provide robust copyright protection. A watermark, carrying ownership and copyright information, is embedded in the spatial domain using the DWT. This watermark acts as a digital signature, enabling the identification and tracing of the rightful owner of the content. The frequency domain embedding enhances the watermark's robustness against common attacks. In addition to copyright protection, the scheme incorporates a fragile watermark for authentication purposes. The fragile watermark is embedded in the least significant bit which is highly sensitive to any modifications or tampering. By extracting and comparing the fragile watermark, the integrity and authenticity of the content can be verified. Comprehensive experimental evaluations have been conducted to assess the performance of the proposed dual watermarking scheme. The results demonstrate its effectiveness in providing robust copyright protection and authentication capabilities. The scheme exhibits high imperceptibility, preserving the visual quality of the watermarked content, while ensuring a high level of sensitivity to unauthorized alterations.
format Undergraduates Project Papers
author Lim, Chen Gen
author_facet Lim, Chen Gen
author_sort Lim, Chen Gen
title Discrete Wavelet Transform (DWT) Based Dual Watermarking For Authentication And Copyright Protection
title_short Discrete Wavelet Transform (DWT) Based Dual Watermarking For Authentication And Copyright Protection
title_full Discrete Wavelet Transform (DWT) Based Dual Watermarking For Authentication And Copyright Protection
title_fullStr Discrete Wavelet Transform (DWT) Based Dual Watermarking For Authentication And Copyright Protection
title_full_unstemmed Discrete Wavelet Transform (DWT) Based Dual Watermarking For Authentication And Copyright Protection
title_sort discrete wavelet transform (dwt) based dual watermarking for authentication and copyright protection
publishDate 2023
url http://umpir.ump.edu.my/id/eprint/40696/1/CD20136%20%5B2%5D.pdf
http://umpir.ump.edu.my/id/eprint/40696/
_version_ 1822924626449137664
score 13.235367

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