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Protection of digital mammograms on PACSs using data hiding techniques
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Li, Chang-Tsun, Li, Yue and Wei, Chia-Hung (2011) Protection of digital mammograms on PACSs using data hiding techniques. In: Chang-Tsun, Li and Ho, Anthony T. S., (eds.) New Technologies for Digital Crime and Forensics : Devices, Applications, and Software. I G I Global, pp. 177-189. ISBN 9781609605155
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Official URL: http://dx.doi.org/10.4018/978-1-60960-515-5.ch012
Abstract
Picture archiving and communication systems (PACS) are typical information systems, which may be undermined by unauthorized users who have illegal access to the systems. This article proposes a role-based access control framework comprising two main components – a content-based steganographic module and a reversible watermarking module, to protect mammograms on PACSs. Within this framework, the content-based steganographic module is to hide patients’ textual information into mammograms without changing the important details of the pictorial contents and to verify the authenticity and integrity of the mammograms. The reversible watermarking module, capable of masking the contents of mammograms, is for preventing unauthorized users from viewing the contents of the mammograms. The scheme is compatible with mammogram transmission and storage on PACSs. Our experiments have demonstrated that the content-based steganographic method and reversible watermarking technique can effectively protect mammograms at PACS.
Item Type: | Book Item | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||
Journal or Publication Title: | Internation Journal of Digital Crime and Forensics | ||||
Publisher: | I G I Global | ||||
ISBN: | 9781609605155 | ||||
Book Title: | New Technologies for Digital Crime and Forensics : Devices, Applications, and Software | ||||
Editor: | Chang-Tsun, Li and Ho, Anthony T. S. | ||||
Official Date: | April 2011 | ||||
Dates: |
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Number of Pages: | 13 | ||||
Page Range: | pp. 177-189 | ||||
DOI: | 10.4018/978-1-60960-515-5.ch012 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
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