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Brain Functional Localization: A Survey of Image Registration Techniques

机译：脑功能定位：图像配准技术的调查。

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摘要

Functional localization is a concept which involves the application of a sequence of geometrical and statistical image processing operations in order to define the location of brain activity or to produce functional/parametric maps with respect to the brain structure or anatomy. Considering that functional brain images do not normally convey detailed structural information and, thus, do not present an anatomically specific localization of functional activity, various image registration techniques are introduced in the literature for the purpose of mapping functional activity into an anatomical image or a brain atlas. The problems addressed by these techniques differ depending on the application and the type of analysis, i.e., single-subject versus group analysis. Functional to anatomical brain image registration is the core part of functional localization in most applications and is accompanied by intersubject and subject-to-atlas registration for group analysis studies. Cortical surface registration and automatic brain labeling are some of the other tools towards establishing a fully automatic functional localization procedure. While several previous survey papers have reviewed and classified general-purpose medical image registration techniques, this paper provides an overview of brain functional localization along with a survey and classification of the image registration techniques related to this problem.
机译：功能定位是一个概念，涉及到一系列几何和统计图像处理操作的应用，以便定义大脑活动的位置或生成关于大脑结构或解剖结构的功能/参数图。考虑到功能性大脑图像通常不会传达详细的结构信息，因此不会呈现功能活动的解剖学特定定位，因此在文献中引入了各种图像配准技术，目的是将功能活动映射到解剖学图像或大脑中地图集。这些技术解决的问题取决于应用程序和分析类型，即单对象分析与组分析。解剖脑图像配准的功能是大多数应用程序中功能定位的核心部分，并伴随有受试者间和受试者到地图集的配准，以进行群体分析研究。皮质表面定位和自动脑部标记是建立全自动功能定位程序的其他一些工具。尽管先前的几篇调查论文已经对通用医学图像配准技术进行了回顾和分类，但本文提供了脑功能定位的概述以及与此问题相关的图像配准技术的调查和分类。

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