IEICE Transactions on Information and Systems
Online ISSN : 1745-1361
Print ISSN : 0916-8532
Regular Section
Security Enhancement of Medical Imaging via Imperceptible and Robust Watermarking
Manuel CEDILLO HERNANDEZAntonio CEDILLO HERNANDEZFrancisco GARCIA UGALDEMariko NAKANO MIYATAKEHector PEREZ MEANA
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Volume E98.D (2015) Issue 9 Pages 1702-1705

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Abstract

In this letter we present an imperceptible and robust watermarking algorithm that uses a cryptographic hash function in the authentication application of digital medical imaging. In the proposed scheme we combine discrete Fourier transform (DFT) and local image masking to detect the watermark after a geometrical distortion and improve its imperceptibility. The image quality is measured by metrics currently used in digital image processing, such as VSNR, SSIM and PSNR.

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© 2015 The Institute of Electronics, Information and Communication Engineers
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