Digital Watermarking in Medical Images

This thesis addresses authenticity and integrity of medical images using watermarking. Hospital Information Systems (HIS), Radiology Information Systems (RIS) and Picture Archiving and Communication Systems (PACS) now form the information infrastructure for today’s healthcare as these provide new wa...

Full description

Saved in:
Bibliographic Details
Main Author: Jasni, Mohamad Zain
Format: Thesis
Language:English
Published: 2005
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/1149/1/Jasni_thesis.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-ump-ir.1149
record_format uketd_dc
spelling my-ump-ir.11492018-05-21T05:47:02Z Digital Watermarking in Medical Images 2005-12-01 Jasni, Mohamad Zain QA75 Electronic computers. Computer science This thesis addresses authenticity and integrity of medical images using watermarking. Hospital Information Systems (HIS), Radiology Information Systems (RIS) and Picture Archiving and Communication Systems (PACS) now form the information infrastructure for today’s healthcare as these provide new ways to store, access and distribute medical data that also involve some security risk. Watermarking can be seen as an additional tool for security measures. As the medical tradition is very strict with the quality of biomedical images, the watermarking method must be reversible or if not, region of Interest (ROI) needs to be defined and left intact. Watermarking should also serve as an integrity control and should be able to authenticate the medical image. Three watermarking techniques were proposed. First, Strict Authentication Watermarking (SAW) embeds the digital signature of the image in the ROI and the image can be reverted back to its original value bit by bit if required. Second, Strict Authentication Watermarking with JPEG Compression (SAW-JPEG) uses the same principal as SAW, but is able to survive some degree of JPEG compression. Third, Authentication Watermarking with Tamper Detection and Recovery (AW-TDR) is able to localise tampering, whilst simultaneously reconstructing the original image. 2005-12 Thesis http://umpir.ump.edu.my/id/eprint/1149/ http://umpir.ump.edu.my/id/eprint/1149/1/Jasni_thesis.pdf application/pdf en public phd doctoral Brunel University, West London Department of Information Systems and Computing
institution Universiti Malaysia Pahang Al-Sultan Abdullah
collection UMPSA Institutional Repository
language English
topic QA75 Electronic computers
Computer science
spellingShingle QA75 Electronic computers
Computer science
Jasni, Mohamad Zain
Digital Watermarking in Medical Images
description This thesis addresses authenticity and integrity of medical images using watermarking. Hospital Information Systems (HIS), Radiology Information Systems (RIS) and Picture Archiving and Communication Systems (PACS) now form the information infrastructure for today’s healthcare as these provide new ways to store, access and distribute medical data that also involve some security risk. Watermarking can be seen as an additional tool for security measures. As the medical tradition is very strict with the quality of biomedical images, the watermarking method must be reversible or if not, region of Interest (ROI) needs to be defined and left intact. Watermarking should also serve as an integrity control and should be able to authenticate the medical image. Three watermarking techniques were proposed. First, Strict Authentication Watermarking (SAW) embeds the digital signature of the image in the ROI and the image can be reverted back to its original value bit by bit if required. Second, Strict Authentication Watermarking with JPEG Compression (SAW-JPEG) uses the same principal as SAW, but is able to survive some degree of JPEG compression. Third, Authentication Watermarking with Tamper Detection and Recovery (AW-TDR) is able to localise tampering, whilst simultaneously reconstructing the original image.
format Thesis
qualification_name Doctor of Philosophy (PhD.)
qualification_level Doctorate
author Jasni, Mohamad Zain
author_facet Jasni, Mohamad Zain
author_sort Jasni, Mohamad Zain
title Digital Watermarking in Medical Images
title_short Digital Watermarking in Medical Images
title_full Digital Watermarking in Medical Images
title_fullStr Digital Watermarking in Medical Images
title_full_unstemmed Digital Watermarking in Medical Images
title_sort digital watermarking in medical images
granting_institution Brunel University, West London
granting_department Department of Information Systems and Computing
publishDate 2005
url http://umpir.ump.edu.my/id/eprint/1149/1/Jasni_thesis.pdf
_version_ 1783731885429489664