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2013 | OriginalPaper | Chapter

33. A Contourlet Transform-Based Versatile Watermarking Algorithm for Medical Images

Authors : Saritha Chakrasali, Ramachandran Murugesan

Published in: Proceedings of International Conference on VLSI, Communication, Advanced Devices, Signals & Systems and Networking (VCASAN-2013)

Publisher: Springer India

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Abstract

In this paper, an attempt is made to analyze the potential of contourlet transform (CT) for medical image watermarking. The effect of the embedding strength on the fidelity of the image is investigated. The algorithm is tested for its robustness against a few selected attacks like adding noise, cropping, and filtering attacks. Texture analysis is applied to understand the effect of watermarking in CT. Performance criteria such as root mean square error (RMSE), standard deviation (SDE), peak signal-to-noise ratio (PSNR), and normalized correlation (NC) are used to evaluate the potential of the proposed algorithm. The results show that the CT-based watermarking algorithm is comparable with the watermarking in the wavelet domain in terms of imperceptibility and robustness.

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Metadata
Title
A Contourlet Transform-Based Versatile Watermarking Algorithm for Medical Images
Authors
Saritha Chakrasali
Ramachandran Murugesan
Copyright Year
2013
Publisher
Springer India
Book
Proceedings of International Conference on VLSI, Communication, Advanced Devices, Signals & Systems and Networking (VCASAN-2013)

Print ISBN: 978-81-322-1523-3

Electronic ISBN: 978-81-322-1524-0

Copyright Year: 2013

DOI
https://doi.org/10.1007/978-81-322-1524-0_33