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Non-linear registration with the variable viscosity fluid algorithm

Lester, H; Arridge, SR; Jansons, KM; Lemieux, L; Hajnal, JV; Oatridge, A; (1999) Non-linear registration with the variable viscosity fluid algorithm. INFORMATION PROCESSING IN MEDICAL IMAGING, PROCEEDINGS , 1613 238 - 251.

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Abstract

In this paper we classify inhomogeneous non-linear registration algorithms into those of variable data influence, of variable deformability and of variable model type. As examples we introduce three modifications of the viscous fluid registration algorithm: passing a filter over the computed force field, adding boundary conditions onto the velocity field, and re-writing the viscous fluid PDE to accommodate a spatially-varying viscosity field. We demonstrate their application on artificial test data, on pre-/post-operative MR head slices and on MR neck volumes.

Type: Article
Title: Non-linear registration with the variable viscosity fluid algorithm
Location: VISEGRAD, HUNGARY
Keywords: DEFORMATIONS
UCL classification: UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Institute of Neurology > Clinical and Experimental Epilepsy
UCL > School of BEAMS > Faculty of Engineering Science > Computer Science
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Mathematics
URI: http://discovery.ucl.ac.uk/id/eprint/67340
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