NDLI: ROI-based tamper detection and recovery for medical images using reversible watermarking technique

Content Provider	IEEE Xplore Digital Library
Author	Al-Qershi, O.M. Bee Ee Khoo
Copyright Year	2010
Description	Author affiliation: School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Penang, Malaysia (Al-Qershi, O.M.; Bee Ee Khoo)
Abstract	Digital image watermarking is proposed to overcome the problems of security, capacity and cost in health care management systems. Medical images, unlike most of images, require extreme care when embedding additional data within them because the additional information must not affect the image quality and readability. In order to overcome any misdiagnose caused by embedding data into medical images, lossless data hiding techniques have been developed. This paper presents a lossless watermarking technique for Ultrasound (US) images. The proposed technique adopts a high-capacity reversible data hiding scheme based on difference expansion (DE). It can be used to hide patient's data hiding and protecting the region of interest (ROI) with tamper detection and recovery capability. The experimental results show that the original image can be exactly extracted from the watermarked one in case of no tampering. In case of tampered ROI, tampered area can be localized and recovered losslessly.
Starting Page	151
Ending Page	155
File Size	281461
Page Count	5
File Format	PDF
ISBN	9781424469420
e-ISBN	9781424469437
DOI	10.1109/ICITIS.2010.5688743
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conferences Authentication Watermarking ROI-basd Tamper detection Medical image Reversibale watermarking Pixel Medical diagnostic imaging Payloads
Content Type	Text
Resource Type	Article

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