Hybrid non-rigid image registration using mutual information and the viscous fluid algorithm
Fookes, Clinton B. & Bennamoun, Mohammed (2002) Hybrid non-rigid image registration using mutual information and the viscous fluid algorithm. In 4th Australasian Workshop on Signal Processing and Applications, 17-18 December, 2002, Brisbane, Australia.
Recently there has emerged a need to compute multimodal non-rigid registrations in a lot of clinical applications. To date, the viscous fluid algorithm is perhaps the most adept method at recovering large local mis-registrations that exist between two images. However, this model can only be used on images from the same modality as it assumes similar intensity values between images. This paper presents a solution to this problem by proposing a hybrid non-rigid registration using the viscous fluid algorithmand mutual information. The mutual information is incorporated via the use of a block matching procedure to generate a sparse deformation field which drives the viscous fluid algorithm. Although successful, the hybrid approach suffers from interpolation artifacts which prevent sub-voxel deformations and limit the accuracy of the algorithm.
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|Item Type:||Conference Paper|
|Keywords:||Non-rigid image registration, Hybrid Fluid Algorithm, Mutual Information|
|Subjects:||Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING (080100) > Computer Vision (080104)|
Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING (080100) > Image Processing (080106)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2002 (please consult author)|
|Deposited On:||17 Feb 2009 14:24|
|Last Modified:||09 Jun 2010 23:23|
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