Multiple Watermark Method for Privacy Control and Tamper Detection in Medical Images
Woo, Chaw-Seng, Du, Jiang, & Pham, Binh L. (2005) Multiple Watermark Method for Privacy Control and Tamper Detection in Medical Images. In Lovell, Brian C. & Maeder, Anthony J. (Eds.) APRS Workshop on Digital Image Computing (WDIC2005), Monday 21st February 2005, Brisbane, Southbank.
Medical images in digital form must be stored in a secure way to preserve stringent image quality standards and prevent unauthorised disclosure of patient data. This paper proposes a multiple watermarking method to serve these purposes. A multiple watermark consists of an annotation part and a fragile part. Encrypted patient data can be embedded in an annotation watermark, and tampering can be detected using a fragile watermark. The embedded patient data not only save storage space, it also offers privacy and security. We also evaluate the images’ visual quality after watermark embedding and the effectiveness of locating tampered regions.
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|Item Type:||Conference Paper|
|Keywords:||multiple watermark, privacy control, tamper detection, annoation watermark, fragile watermark|
|Subjects:||Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > COMPUTER SOFTWARE (080300) > Computer Software not elsewhere classified (080399)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2005 (please consult author)|
|Deposited On:||01 Dec 2005 00:00|
|Last Modified:||29 Feb 2012 13:12|
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