NDLI: Block-based discrete wavelet transform-singular value decomposition image watermarking scheme using human visual system characteristics

Content Provider	IET Digital Library
Author	Makbol, Nasrin M. Khoo, Bee Ee Rassem, Taha H.
Abstract	Digital watermarking has been suggested as a way to achieve digital protection. The aim of digital watermarking is to insert the secret data into the image without significantly affecting the visual quality. This study presents a robust block-based image watermarking scheme based on the singular value decomposition (SVD) and human visual system in the discrete wavelet transform (DWT) domain. The proposed method is considered to be a block-based scheme that utilises the entropy and edge entropy as HVS characteristics for the selection of significant blocks to embed the watermark, which is a binary watermark logo. The blocks of the lowest entropy values and edge entropy values are selected as the best regions to insert the watermark. After the first level of DWT decomposition, the SVD is performed on the low-low sub-band to modify several elements in its U matrix according to predefined conditions. The experimental results of the proposed scheme showed high imperceptibility and high robustness against all image processing attacks and several geometrical attacks using examples of standard and real images. Furthermore, the proposed scheme outperformed several previous schemes in terms of imperceptibility and robustness. The security issue is improved by encrypting a portion of the important information using Advanced Standard Encryption a key size of 192-bits (AES-192).
Starting Page	34
Ending Page	52
Page Count	19
ISSN	17519659
Volume Number	10
e-ISSN	17519667
Issue Number	Issue 1, Jan (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ipr/10/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2014.0965
Journal	IET Image Processing
Publisher Date	2016-01-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Advanced Standard Encryption Algebra Binary Watermark Logo Computer Vision And Image Processing Technique Cryptography Data Security Digital Protection Digital Watermarking Discrete Wavelet Transform Discrete Wavelet Transform Domain Edge Detection Edge Entropy Entropy Geometrical Attack High Imperceptibility High Robustness Human Visual System Characteristic HVS Characteristic Image And Video Coding Image Processing Attack Image Recognition Image Watermarking Information Encryption Integral Transforms Robust Block-based DWT SVD Image Watermarking Scheme Security Issue Singular Value Decomposition U Matrix Visual Quality
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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