An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy

An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy

A digital protection against unauthorized distribution of digital multimedia is highly on demand. Digital watermarking is a defence in multimedia protection for authorized ownership. This paper proposes an improved watermarking based on 4×4 DCT-SVD blocks using modified entropy in image watermarking...

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Main Authors: Ernawan, Ferda, Ramalingam, Mritha, Sadiq, Ali Safa, Zuriani, Mustaffa
Format: Article
Language:English
Published: Universiti Teknikal Malaysia Melaka (UTeM) 2017
Subjects:
QA75 Electronic computers. Computer science
Online Access:http://umpir.ump.edu.my/id/eprint/18618/
http://umpir.ump.edu.my/id/eprint/18618/
http://umpir.ump.edu.my/id/eprint/18618/1/2602-7025-1-SM.pdf
id ump-18618
recordtype eprints
spelling ump-186182018-03-30T08:24:02Z http://umpir.ump.edu.my/id/eprint/18618/ An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy Ernawan, Ferda Ramalingam, Mritha Sadiq, Ali Safa Zuriani, Mustaffa QA75 Electronic computers. Computer science A digital protection against unauthorized distribution of digital multimedia is highly on demand. Digital watermarking is a defence in multimedia protection for authorized ownership. This paper proposes an improved watermarking based on 4×4 DCT-SVD blocks using modified entropy in image watermarking. A modified entropy is used to select unnoticeable blocks. The proposed watermarking scheme utilizes the lowest entropy values to determine unnoticeable regions of the watermarked image. This paper investigates the relationship between U(2,1) and U(3,1) coefficients of the U matrix 4×4 DCT-SVD in image watermarking. The proposed watermarking scheme produces a great level of robustness and imperceptibility of the watermarked image against different attacks. The proposed scheme shows the improvement in terms of structural similarity index and normalized correlation of the watermarked image. Universiti Teknikal Malaysia Melaka (UTeM) 2017-09 Article PeerReviewed application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/18618/1/2602-7025-1-SM.pdf Ernawan, Ferda and Ramalingam, Mritha and Sadiq, Ali Safa and Zuriani, Mustaffa (2017) An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 9 (2-7). pp. 111-116. ISSN 2180-1843 http://journal.utem.edu.my/index.php/jtec/article/view/2602
repository_type Digital Repository
institution_category Local University
institution Universiti Malaysia Pahang
building UMP Institutional Repository
collection Online Access
language English
topic QA75 Electronic computers. Computer science
spellingShingle QA75 Electronic computers. Computer science
Ernawan, Ferda
Ramalingam, Mritha
Sadiq, Ali Safa
Zuriani, Mustaffa
An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy
description A digital protection against unauthorized distribution of digital multimedia is highly on demand. Digital watermarking is a defence in multimedia protection for authorized ownership. This paper proposes an improved watermarking based on 4×4 DCT-SVD blocks using modified entropy in image watermarking. A modified entropy is used to select unnoticeable blocks. The proposed watermarking scheme utilizes the lowest entropy values to determine unnoticeable regions of the watermarked image. This paper investigates the relationship between U(2,1) and U(3,1) coefficients of the U matrix 4×4 DCT-SVD in image watermarking. The proposed watermarking scheme produces a great level of robustness and imperceptibility of the watermarked image against different attacks. The proposed scheme shows the improvement in terms of structural similarity index and normalized correlation of the watermarked image.
format Article
author Ernawan, Ferda
Ramalingam, Mritha
Sadiq, Ali Safa
Zuriani, Mustaffa
author_facet Ernawan, Ferda
Ramalingam, Mritha
Sadiq, Ali Safa
Zuriani, Mustaffa
author_sort Ernawan, Ferda
title An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy
title_short An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy
title_full An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy
title_fullStr An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy
title_full_unstemmed An Improved Imperceptibility and Robustness of 4x4 DCT-SVD Image Watermarking Using Modified Entropy
title_sort improved imperceptibility and robustness of 4x4 dct-svd image watermarking using modified entropy
publisher Universiti Teknikal Malaysia Melaka (UTeM)
publishDate 2017
url http://umpir.ump.edu.my/id/eprint/18618/
http://umpir.ump.edu.my/id/eprint/18618/
http://umpir.ump.edu.my/id/eprint/18618/1/2602-7025-1-SM.pdf
first_indexed 2023-09-18T22:26:28Z
last_indexed 2023-09-18T22:26:28Z
_version_ 1777416000262635520

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