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Cited by 256

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

A modality‐independent approach to spatial normalization of tomographic images of the human brain

Lancaster, Jack L., Glass, Thomas G., Lankipalli, Bhujanga R., Downs, Hunter, Mayberg, Helen, Fox, Peter T.·1995·Human Brain Mapping

Abstract

A modality‐independent approch for interactive spatial normalization of tomographic images of the human brain is described and its performance evaluated. Spatial normalization is accomplished using a nine‐parameter affine transformation to interactively align and adjust the shape of a subject brain to the reference brain detailed in the 1988 atlas of Talairach et al. A user‐friendly software application was developed using the X‐windows Motif environment to guide the user through this process. This software supports data types from a wide variety of tomographic imagers and produces output in spatially concise formats. The parameters used for spatial alignment and shape normalization are presented and methods to apply them discussed. Where normalization parameters cannot be obtained directly from the image, as with positron emission tomography (PET), methods for estimating them are given. Evaluation of a new four‐landmark method to fit the AC‐PC line in 16 magnetic resonance imaging (MRI) studies indicated an average difference assessed as the distance between the true and fitted AC‐PC line at four locations of 0.82 mm when using a 2‐D weighted fit. The same landmarks were evaluated using lower spatial resolution PET‐like images simulated from the 16 MRI studies. The difference between the PET and MR image volumes following alignment was minimal, with mean rotational differences of less than 0.2 deg and mean translational differences of generally less than 2 mm. Spatial normalization is illustrated for single photon emission computed tomography (SPECT), X‐ray computed tomography (CT), PET, and MR image volumes. Modality‐independent spatial normalization can be consistently and reliably performed with the methods and software presented. © 1995 Wiley‐Liss, Inc.

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Metadata

Authors
Lancaster, J. L., Glass, T. G., Lankipalli, B. R., Downs, H., Mayberg, H., & Fox, P. T.
Venue
Human Brain Mapping
Publisher
Wiley
Published
1995-01
Volume
3
Issue
3
Pages
209-223
ISSN
  • 1065-9471 (ISSN-L)
  • 1097-0193
OpenAlex
W2022874681
Cited by
256
References
1
FWCI
10.10
Type
journal article
Language
en
Open access
closed

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