Spatial registration of digital brain atlases based on fuzzy set theory

被引：7

作者：

Berks, G ^{[1
]}

Ghassemi, A ^{[1
]}

von Keyserlingk, DG ^{[1
]}

机构：

[1] Univ Technol, RWTH, Dept Anat 1, D-52057 Aachen, Germany

来源：

COMPUTERIZED MEDICAL IMAGING AND GRAPHICS | 2001年 / 25卷 / 01期

关键词：

digital brain atlas; three-dimensional imaging; image registration; surface matching;

D O I：

10.1016/S0895-6111(00)00038-0

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

We present a semiautomatic method based on fuzzy set theory for adjusting a computerized brain atlas to magnetic resonance images (MRIs) of the human cerebral cortex. The atlas was registered to three-dimensional MRI data sets of 10 healthy volunteers. After a global matching using the external contour. of the brain, several local procedures were performed regarding selected primary furrows and cytoarchitectonic areas. The final transformation matrix was calculated with respect to these anatomical structures and to their local matrices. Evaluation revealed an increase in accuracy as expressed by a reduction of the visible mismatch with respect to the registration of cortical and subcortical brain structures. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：1 / 10

页数：10

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