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http://dx.doi.org/10.6109/JKIICE.2009.13.12.2586

Design of robust Watermarking Algorithm against the Geometric Transformation for Medical Image Security  

Lee, Yun-Bae (조선대학교 컴퓨터공학부)
Oh, Guan-Tack (조선대학교 컴퓨터공학부)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.13, no.12, 2009 , pp. 2586-2594 More about this Journal
Abstract
A digital watermarking technique used as a protection and certifying mechanism of copyrighted creations including music, still images, and videos in terms of finding any loss in data, reproduction and pursuit. This study suggests using a selected geometric invariant point through the whole processing procedure of an image and inserting and extracting based on the invariant point so that it will be robust in a geometric transformation attack. The introduced algorithm here is based on a watershed splitting method in order to make medical images strong against RST(Rotation Scale, Translation) transformation and other processing. It also helps to maintain the watermark in images that are compressed and stored for a period of time. This algorithm also proved that is has robustness against not only JPEG compression attack, but also RST attack and filtering attack.
Keywords
RST; PACS; DICOM; PET; Watermarking; Watershed; Wavelet transformation;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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