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Journal Articles Medical Image Analysis Year : 2016

Spatial normalization of brain images and beyond

F. Leroy
  • Function : Author
Ghislaine Dehaene-Lambertz
A. Cachia
O. Coulon
C. Poupon
  • Function : Author


The deformable atlas paradigm has been at the core of computational anatomy during the last two decades. Spatial normalization is the variant endowing the atlas with a coordinate system used for voxel-based aggregation of images across subjects and studies. This framework has largely contributed to the success of brain mapping. Brain spatial normalization, however, is still ill-posed because of the complexity of the human brain architecture and the lack of architectural landmarks in standard morphological MRI. Multi-atlas strategies have been developed during the last decade to overcome some difficulties in the context of segmentation. A new generation of registration algorithms embedding architectural features inferred for instance from diffusion or functional MRI is on the verge to improve the architectural value of spatial normalization. A better understanding of the architectural meaning of the cortical folding pattern will lead to use some sulci as complementary constraints. Improving the architectural compliance of spatial normalization may impose to relax the diffeomorphic constraint usually underlying atlas warping. Manifold learning could help to aggregate subjects according to their morphology. Connectivity-based strategies could emerge as an alternative to deformation-based alignment leading to match the connectomes of the subjects rather than images.
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Dates and versions

hal-01464140 , version 1 (16-02-2017)



J.-F. Mangin, J. Lebenberg, S. Lefranc, N. Labra, Guillaume Auzias, et al.. Spatial normalization of brain images and beyond. Medical Image Analysis, 2016, 33, pp.127-133. ⟨10.1016/⟩. ⟨hal-01464140⟩
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