NDLI: A Robust Digital Watermarking of Satellite Image at Third Level DWT Decomposition

Content Provider	IEEE Xplore Digital Library
Author	Anusudha, K. Sangeetha, A. Ayeswarya, S.
Copyright Year	2007
Description	Author affiliation: VIT Univ., Vellore (Anusudha, K.; Sangeetha, A.; Ayeswarya, S.)
Abstract	Digital watermarking has been proposed to increase the digital data security, confidentiality and integrity. Satellite image watermarking is a special category of image watermarking in the sense that the images have special requirements. Particularly, watermarked satellite images should not differ perceptually from the the original counterparts, because the purpose of taking the image must not be violated. This paper provides a third level DWT decomposition of the satellite image by choosing a region of interest and embedding the watermark in the same. The reason for choosing a region of interest is an area which contains important information and must be sent through media without any distortions and attacks. Image quality is checked out with a number of widely used metrics such as PSNR, normalized correlation and JPEG compression. The experimental results demonstrate the efficiency of the proposed scheme, which fulfills the strict requirements concerning alterations of satellite images.
Starting Page	78
Ending Page	82
File Size	591467
Page Count	5
File Format	PDF
ISBN	0769530508
DOI	10.1109/ICCIMA.2007.76
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-13
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robustness Watermarking Satellites Discrete wavelet transforms PSNR Frequency Computational intelligence Electronic mail Data security Image quality
Content Type	Text
Resource Type	Article

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