publication . Article . Other literature type . 2009

Multi-atlas based segmentation of brain images: Atlas selection and its effect on accuracy

Rolf Heckemann; Alexander Hammers; Daniel Rueckert;
  • Published: 01 Jul 2009 Journal: NeuroImage, volume 46, pages 726-738 (issn: 1053-8119, Copyright policy)
  • Publisher: Elsevier BV
Abstract Quantitative research in neuroimaging often relies on anatomical segmentation of human brain MR images. Recent multi-atlas based approaches provide highly accurate structural segmentations of the brain by propagating manual delineations from multiple atlases in a database to a query subject and combining them. The atlas databases which can be used for these purposes are growing steadily. We present a framework to address the consequent problems of scale in multi-atlas segmentation. We show that selecting a custom subset of atlases for each query subject provides more accurate subcortical segmentations than those given by non-selective combination of ran...
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