DWT-DFT and Logistic Map Based Watermarking Algorithm for Medical Image

Yao Li Liu; Jing Bing Li

doi:10.4028/www.scientific.net/AMM.380-384.4124

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 380-384DWT-DFT and Logistic Map Based Watermarking...

DWT-DFT and Logistic Map Based Watermarking Algorithm for Medical Image

Abstract:

When medical image transmitted and stored on the Internet, it is vulnerable to many kinds of attacks, thus, the security of the patients personal information is low. A robust watermarking algorithm has been proposed to increase the security of medical images. The scheme obtains the visual feature vectors of the medical image using DWT-DFT. At the same time, applying Logistic Map to encrypt the watermarking image, which can enhance its security. The experiment results show that the scheme has strong robustness against geometrical attacks.

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Periodical:

Applied Mechanics and Materials (Volumes 380-384)

Pages:

4124-4127

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.380-384.4124

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Online since:

August 2013

Authors:

Yao Li Liu, Jing Bing Li

Keywords:

DWT-DFT, Feature Vectors, Logistic Map, Robust

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