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Published on: October 22, 2019
Brain functional localization: a survey of image registration techniques.
Ali Gholipour1, Nasser Kehtarnavaz, Richard Briggs
1Electrical Engineering Department, University of Texas at Dallas, 2601 North Floyd Rd., Richardson, TX 75083, USA. bag032000@utdallas.edu
IEEE Transactions on Medical Imaging
|April 13, 2007
Summary
This paper surveys image registration techniques for functional brain localization, mapping brain activity to anatomical structures. It classifies methods crucial for single-subject and group analyses in neuroscience research.
Area of Science:
- Neuroimaging
- Medical Image Analysis
- Computational Neuroscience
Background:
- Functional brain images lack detailed structural information, hindering precise localization of activity.
- Image registration techniques are essential for mapping functional data onto anatomical images or atlases.
- Existing surveys cover general medical image registration, but a focused review on brain functional localization is needed.
Purpose of the Study:
- To provide an overview of brain functional localization.
- To survey and classify image registration techniques specifically applied to functional localization.
- To address the need for specialized classification in this neuroimaging subfield.
Main Methods:
- Review and classification of geometrical and statistical image processing operations for functional localization.
- Analysis of image registration techniques for mapping functional activity to anatomical structures.
- Categorization of methods based on application (single-subject vs. group analysis) and type (functional-to-anatomical, intersubject, subject-to-atlas, cortical surface registration).
Main Results:
- Functional localization relies heavily on functional-to-anatomical brain image registration.
- Group analysis studies require additional registration steps like intersubject and subject-to-atlas registration.
- Techniques like cortical surface registration and automatic brain labeling contribute to automated functional localization.
Conclusions:
- This paper offers a comprehensive survey and classification of image registration techniques pertinent to brain functional localization.
- It highlights the critical role of various registration methods in accurately mapping brain activity.
- The review serves as a valuable resource for researchers in neuroimaging and computational neuroscience seeking to understand and apply functional localization techniques.
