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Conference Paper

A comparison of methods for the registration of tractographic fibre images

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Anwander,  Alfred
Methods and Development Unit Cortical Networks and Cognitive Functions, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Citation

Golding, D., Tittgemeyer, M., Anwander, A., & Douglas, T. (2011). A comparison of methods for the registration of tractographic fibre images. In P. Robinson, & A. Nel (Eds.), Proceedings of the Twenty-Second Annual Symposium of the Pattern Recognition Association of South Africa (pp. 55-59).


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-4F54-0
Abstract
Diffusion tensor imaging (DTI) and tractography have opened up new avenues in neuroscience. As most applications require precise spatial localization of the fibre images, image registration is an important area of research. Registration is usually performed prior to tractography. However more reliable images could be produced if a viable registration can be performed post tractography. This study shows two available techniques for direct registration of fibre images and explores novel adaptations of these. The methods register volume images derived from the fibres, and reapply the transformation from these registrations to the fibre images. The first method is a local affine registration and the second is a global affine registration. The local affine method produced superior results.