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2008 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops
Sticky vector fields, and other geometric measures on diffusion tensor images
Anchorage, AK, USA
June 23-June 28
ISBN: 978-1-4244-2339-2
Laura Astola, Department of Mathematics and Computer Science, Eindhoven University of Technology, Den Dolech 2, 5612 AZ, The Netherlands
This paper is about geometric measures in Diffusion Tensor Imaging (DTI) analysis, and it is a continuation of our previous work [3], where we discussed two measures for Diffusion Tensor (DT) image (fiber tractography) analysis. Its contribution is threefold. First, we show how the so called connectivity measure performs on a real DTI image with three different interpolation methods. Secondly, we introduce a new vector field on DTI images, that points out the locally most coherent direction for fiber tracking, and we illustrate it on bundles of tracked fibers. Thirdly, we introduce an inhomogeneity- (edge-, crossing-) detector for symmetric positive matrix valued images, including DTI images. One possible application is segmentation of diffusion tensor fields.
Citation:
Laura Astola, Luc Florack, "Sticky vector fields, and other geometric measures on diffusion tensor images," cvprw, pp.1-7, 2008 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops, 2008
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