Journal Article

DZNE-2025-00875

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png BrainPrint: A discriminative characterization of brain morphology

Wachinger, C. ; Golland, P. ; Kremen, W. ; Fischl, B. ; Reuter, M. (Last author)Extern*

2015
Academic Press Orlando, Fla.

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Please use a persistent id in citations: doi:10.1016/j.neuroimage.2015.01.032

Abstract: We introduce BrainPrint, a compact and discriminative representation of brain morphology. BrainPrint captures shape information of an ensemble of cortical and subcortical structures by solving the eigenvalue problem of the 2D and 3D Laplace-Beltrami operator on triangular (boundary) and tetrahedral (volumetric) meshes. This discriminative characterization enables new ways to study the similarity between brains; the focus can either be on a specific brain structure of interest or on the overall brain similarity. We highlight four applications for BrainPrint in this article: (i) subject identification, (ii) age and sex prediction, (iii) brain asymmetry analysis, and (iv) potential genetic influences on brain morphology. The properties of BrainPrint require the derivation of new algorithms to account for the heterogeneous mix of brain structures with varying discriminative power. We conduct experiments on three datasets, including over 3000 MRI scans from the ADNI database, 436 MRI scans from the OASIS dataset, and 236 MRI scans from the VETSA twin study. All processing steps for obtaining the compact representation are fully automated, making this processing framework particularly attractive for handling large datasets.

Keyword(s): Age Factors (MeSH) ; Aged (MeSH) ; Brain: anatomy & histology (MeSH) ; Brain Mapping: methods (MeSH) ; Female (MeSH) ; Humans (MeSH) ; Imaging, Three-Dimensional: methods (MeSH) ; Magnetic Resonance Imaging: methods (MeSH) ; Male (MeSH) ; Sex Factors (MeSH) ; Signal Processing, Computer-Assisted (MeSH) ; Twins: genetics (MeSH) ; Brain asymmetry ; Brain shape ; Brain similarity ; Large brain datasets ; Morphological heritability ; Subject identification

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Research Program(s):

1. 899 - ohne Topic (POF4-899) (POF4-899)

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