Protection of digital mammograms on pacss using data hiding techniques

Chang Tsun Li, Yue Li, Chia Hung Wei

Research output: Contribution to journalArticle

8 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)75-88
Number of pages14
JournalInternational Journal of Digital Crime and Forensics
Volume1
Issue number1
Publication statusPublished - Jan 2009

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Picture archiving and communication systems
Watermarking
Access control
Information systems
Experiments

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Li, Chang Tsun ; Li, Yue ; Wei, Chia Hung. / Protection of digital mammograms on pacss using data hiding techniques. In: International Journal of Digital Crime and Forensics. 2009 ; Vol. 1, No. 1. pp. 75-88.
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Protection of digital mammograms on pacss using data hiding techniques. / Li, Chang Tsun; Li, Yue; Wei, Chia Hung.

In: International Journal of Digital Crime and Forensics, Vol. 1, No. 1, 01.2009, p. 75-88.

Research output: Contribution to journalArticle

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