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title: ANTs | ||
description: Advanced Normalization Tools | ||
google_analytics: "47460530" | ||
show_downloads: true | ||
theme: jekyll-theme-midnight | ||
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gems: | ||
- jekyll-mentions |
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<!-- | ||
![ants registration artillery](http://i.imgur.com/FCLrXV1.jpg) | ||
![ants multivar](http://i.imgur.com/YqWtunL.png) | ||
![ants faces](http://i.imgur.com/wBOFGwg.png) | ||
![ants goat](http://i.imgur.com/SEKf1mo.jpg) --> | ||
============================ | ||
[Advanced Normalization Tools](https://imgur.com/a/kySGi) | ||
============================ | ||
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[![Build Status](https://travis-ci.org/stnava/ANTs.svg?branch=master)](https://travis-ci.org/stnava/ANTs) | ||
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ANTs computes high-dimensional mappings to capture the statistics of brain | ||
structure and function. See the [FAQ page](https://github.com/stnava/ANTsTutorial/blob/master/handout/antsGithubExamples.Rmd). | ||
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![ants template](http://i.imgur.com/mLZ71Ai.png) | ||
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ANTs allows one to organize, visualize and statistically explore large biomedical | ||
image sets. | ||
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![ants render](http://i.imgur.com/hMW6fjB.png) | ||
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ANTs integrates imaging modalities and related information in space and time. | ||
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![ants render](http://i.imgur.com/oIMrnpY.png) | ||
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ANTs works across species or organ systems with minimal customization. | ||
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![ants primate](http://i.imgur.com/Dfrifgg.png) | ||
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ANTs and related tools have won several international and unbiased competitions. | ||
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![ants competes](http://i.imgur.com/HE0j7IC.png) | ||
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[ANTsR](http://stnava.github.io/ANTsR/) is the underlying statistical workhorse. | ||
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Questions: [Discussion Site](http://sourceforge.net/p/advants/discussion/) or *new* [ANTsDoc](http://stnava.github.io/ANTsDoc/) or try [this version](http://issuu.com/brianavants/docs/ants2) ... also read our [guide to evaluation strategies and addressing new problems with ANTs or other software](http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3766821/). *New* [ANTs handout](https://github.com/stnava/ANTsTutorial/raw/master/handout/antsHandout.pdf), part of forthcoming [ANTs tutorial]() material. | ||
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[ANTsTalk - subject to change at any moment](http://stnava.github.io/ANTsTalk/) | ||
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[ANTsRegistrationTalk - subject to change at any moment](http://stnava.github.io/ANTsRegistrationTalk/) | ||
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Install ANTs via pre-built: | ||
[Packages @ github](https://github.com/stnava/ANTs/releases) older | ||
versions [@ sourceforge](http://sourceforge.net/projects/advants/files/ANTS/) ... also, | ||
[Github Releases are here](https://github.com/stnava/ANTs/releases) thanks to Arman Eshaghi. | ||
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Build [ANTs](https://github.com/stnava/ANTs) from: | ||
[Source-Code](http://brianavants.wordpress.com/2012/04/13/updated-ants-compile-instructions-april-12-2012/) | ||
(recommended) | ||
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[ANTs Dashboard](https://travis-ci.org/stnava/ANTs/) thanks to Arman Eshaghi and Hans J. Johnson | ||
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ANTs extracts information from complex datasets that include imaging | ||
([Word Cloud](http://brianavants.files.wordpress.com/2013/05/avants_wordcloud.jpg)). | ||
Paired with [ANTsR](http://stnava.github.io/software/2014/01/08/antsr/) (answer), ANTs is | ||
useful for managing, interpreting and visualizing multidimensional data. | ||
ANTs is | ||
[popularly](https://sourceforge.net/projects/advants/files/ANTS/stats/timeline?dates=2010-07-19+to+2099-05-25) | ||
considered a state-of-the-art medical image registration and | ||
segmentation toolkit. ANTsR is an emerging tool supporting standardized | ||
multimodality image analysis. ANTs depends on the Insight ToolKit | ||
[(ITK)](http://www.itk.org), a widely used medical image processing | ||
library to which ANTs developers contribute. A summary of some ANTs findings and tutorial material (most of which is on this page) is [here](http://rpubs.com/stnava/ANTsTut). | ||
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Authors | ||
------- | ||
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### Brian B. Avants - UPENN | ||
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**Role:** Creator, Algorithm Design, Implementation, | ||
[more](http://stnava.github.io/Resume/) | ||
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### Nicholas J. Tustison - UVA | ||
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**Role:** Compeller, Algorithm Design, Implementation Guru, | ||
[more](http://ntustison.github.io/CV/) | ||
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### Hans J. Johnson - UIowa | ||
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**Role:** Large-Scale Application, Testing, Software design | ||
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### Team Members | ||
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**Core:** Gang Song (Originator), Philip A. Cook, Jeffrey T. Duda (DTI), Ben M. Kandel (Perfusion, multivariate analysis) | ||
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Image Registration | ||
------------------ | ||
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Diffeomorphisms: [SyN](http://www.ncbi.nlm.nih.gov/pubmed/17659998), | ||
Independent Evaluation: | ||
[Klein](http://www.ncbi.nlm.nih.gov/pubmed/19195496), | ||
[Murphy](http://www.ncbi.nlm.nih.gov/pubmed/21632295), Template | ||
Construction | ||
[(2004)](http://www.ncbi.nlm.nih.gov/pubmed/15501083)[(2010)](http://www.ncbi.nlm.nih.gov/pubmed/19818860), | ||
[Similarity Metrics](http://www.ncbi.nlm.nih.gov/pubmed/20851191), | ||
[Multivariate | ||
registration](http://www.ncbi.nlm.nih.gov/pubmed/18995188), [Multiple | ||
modality analysis and statistical | ||
bias](http://www.ncbi.nlm.nih.gov/pubmed/23151955) | ||
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Image Segmentation | ||
------------------ | ||
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Atropos Multivar-EM Segmentation | ||
[(link)](http://www.ncbi.nlm.nih.gov/pubmed/21373993), Multi-atlas | ||
methods [(link)](http://www.ncbi.nlm.nih.gov/pubmed/21237273N4), Bias | ||
Correction [(link)](http://www.ncbi.nlm.nih.gov/pubmed/20378467), DiReCT | ||
cortical thickness | ||
[(link)](http://www.ncbi.nlm.nih.gov/pubmed/19150502), DiReCT in | ||
[chimpanzees](http://www.ncbi.nlm.nih.gov/pubmed/23516289) | ||
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Multivariate Analysis Eigenanatomy [(1)](http://www.ncbi.nlm.nih.gov/pubmed/23286132) [(2)](http://www.ncbi.nlm.nih.gov/pubmed/23475817) | ||
---------------------------------------------------------------------------------------------------------------------------------------- | ||
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Prior-Based Eigenanatomy [(in | ||
prep)](http://www.ncbi.nlm.nih.gov/pubmed/?), Sparse CCA | ||
[(1)](http://www.ncbi.nlm.nih.gov/pubmed/20083207), | ||
[(2)](http://www.ncbi.nlm.nih.gov/pubmed/20879247), Sparse Regression | ||
[(link)](http://link.springer.com/chapter/10.1007%2F978-3-642-38868-2_8) | ||
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ImageMath Useful! | ||
----------------- | ||
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morphology, GetLargestComponent, CCA, FillHoles ... much more! | ||
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Application Domains | ||
------------------- | ||
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### Frontotemporal degeneration [PENN FTD center](http://ftd.med.upenn.edu) | ||
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### Multimodality Neuroimaging | ||
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- [Structural MRI](http://jeffduda.github.io/NeuroBattery/) | ||
- Functional MRI | ||
- Network Analysis | ||
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### Lung Imaging | ||
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- Structure | ||
- Perfusion MRI | ||
- Branching | ||
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### Multiple sclerosis (lesion filling) [example](https://github.com/armaneshaghi/LesionFilling_example) | ||
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Background & Theory | ||
---------------------------------------------------------- | ||
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- The | ||
[SyN](http://www.ncbi.nlm.nih.gov/pubmed/?term=%22SyN%22+AND+%22Avants+B%22) | ||
and [N4 bias | ||
correction](http://www.ncbi.nlm.nih.gov/pubmed/?term=%22N4%22+AND+%22Tustison+N4ITK%22) | ||
papers and other relevant references in | ||
[Pubmed](http://www.ncbi.nlm.nih.gov/pubmed/?term=%22Tustison+N%22+AND+%22Avants+B%22) | ||
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- Visualization: e.g. [a gource of ANTs | ||
development](http://vimeo.com/66781467) | ||
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- [DiReCT](http://www.ncbi.nlm.nih.gov/pubmed/?term=%22DIRECT%22+AND+%22Avants%22+AND+DAS) | ||
cortical thickness | ||
[papers](http://www.ncbi.nlm.nih.gov/pubmed/?term=%22Cortical+Thickness%22+AND+%22Avants%22) | ||
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- A | ||
[folder](https://sourceforge.net/projects/advants/files/Documentation/) | ||
of relevant docs: | ||
[segmentation](http://sourceforge.net/projects/advants/files/Documentation/atropos.pdf/download), | ||
[registration](http://sourceforge.net/projects/advants/files/Documentation/antstheory.pdf/download), | ||
[usage(old)](http://sourceforge.net/projects/advants/files/Documentation/ants.pdf/download), | ||
[for clinical | ||
apps](http://sourceforge.net/projects/advants/files/Documentation/ANTSMethodologySummary.docx/download) | ||
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- ANTs redesigned for generality, automation, multi-core computation | ||
with ITKv4 | ||
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- Dev'd ITKv4 with Kitware, GE, Natl. Lib of Medicine & Academia | ||
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ANTs has won several unbiased & international competitions | ||
---------------------------------------------------------- | ||
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- ANTs finished in 1st rank in [Klein 2009 intl. brain mapping | ||
competition](http://www.ncbi.nlm.nih.gov/pubmed/19195496) | ||
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- ANTs finished 1st overall in [EMPIRE10 intl. lung mapping | ||
competition](http://www.ncbi.nlm.nih.gov/pubmed/21632295) | ||
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- ANTs is the standard registration for | ||
[MICCAI-2013](http://www.miccai2013.org/) segmentation competitions | ||
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- Conducting ANTs-based R tutorial @ MICCAI-2013 | ||
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- ITK-focused Frontiers in Neuroinformatics research topic | ||
[here](http://www.frontiersin.org/neuroinformatics/researchtopics/neuroinformatics_with_the_insi/1580) | ||
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- Won the [BRATS 2013 challenge](http://martinos.org/qtim/miccai2013/) with [ANTsR](http://stnava.github.io/ANTsR/) | ||
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- Won the best paper award at the [STACOM 2014 challenge](http://www.cardiacatlas.org/web/stacom2014/home) | ||
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Learning about ANTs | ||
---------------------------------------------------------- | ||
**antsRegistration** [bash example](https://github.com/stnava/ANTs/blob/master/Scripts/newAntsExample.sh) | ||
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**Eigenanatomy** for [multivariate neuroimage analysis](http://www.ncbi</a>.nlm.nih.gov/pubmed/23269595) via | ||
[PCA](http://www.ncbi.nlm.nih.gov/pubmed/23286132) & | ||
[CCA](http://www.ncbi.nlm.nih.gov/pubmed/20083207) | ||
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**ANTs and ITK** [paper](http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4009425/) | ||
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**Pre-built ANTs templates with spatial priors** [download](http://figshare.com/articles/ANTs_ANTsR_Brain_Templates/915436) | ||
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**The ANTs Cortical Thickness Pipeline** [example](https://github.com/ntustison/KapowskiChronicles/blob/master/paper2.pdf?raw=true) | ||
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**"Cooking" tissue priors for templates** | ||
[example](https://github.com/ntustison/antsCookTemplatePriorsExample) | ||
(after you build your template) | ||
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**Basic Brain Mapping** [example](http://stnava.github.io/BasicBrainMapping/) | ||
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**Large deformation** [example](http://stnava.github.io/C/) | ||
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**Template construction** [example](http://ntustison.github.io/TemplateBuildingExample/) | ||
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**Automobile** [example](http://stnava.github.io/cars/) | ||
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**Asymmetry** [example](http://stnava.github.io/asymmetry/) | ||
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**Point-set** [mapping](http://stnava.github.io/chicken/) which includes the | ||
PSE metric and affine and deformable registration with (labeled) pointsets or | ||
iterative closest point | ||
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**Feature matching** [example](http://stnava.github.io/featureMatching/) ... not up to date ... | ||
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**Chimpanzee cortical thickness** [example](https://github.com/stnava/WHopkinsNHP/) | ||
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**Global optimization** [example](http://stnava.github.io/butterfly/) | ||
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**Morphing** [example](http://stnava.github.io/Morpheus/) | ||
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**fMRI or Motion Correction** [example](http://stnava.github.io/fMRIANTs/) | ||
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**fMRI reproducibility** [example](http://stnava.github.io/RfMRI/) | ||
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**fMRI prediction** [example](http://stnava.github.io/Haxby2001/) ... WIP ... | ||
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**Cardiac** [example](http://stnava.github.io/LabelMyHeart) | ||
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**Brain extraction** [example](https://github.com/ntustison/antsBrainExtractionExample) | ||
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**N4 bias correction <-> segmentation** [example](https://github.com/ntustison/antsAtroposN4Example) | ||
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**Cortical thickness** [example](https://github.com/ntustison/antsCorticalThicknessExample) | ||
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**Multi-atlas joint label/intensity fusion examples** [example 1](https://github.com/ntustison/MalfLabelingExample) [example 2](https://github.com/qureai/Multi-Atlas-Segmentation) (thanks to @chsasank) | ||
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**Lung and lobe estimation** [example](https://github.com/ntustison/LungAndLobeEstimationExample) | ||
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**Bibliography** [bibtex of ANTs-related papers](https://github.com/stnava/ANTsBibliography) | ||
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**ANTs** [google scholar page](http://scholar.google.com/citations?user=ox-mhOkAAAAJ&hl=en) | ||
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Presentations: e.g. [a Prezi about | ||
ANTs](http://prezi.com/mwrmcm-h9-w4/ants/?kw=view-mwrmcm-h9-w4&rc=ref-40024395) | ||
(WIP) | ||
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Reproducible science as a teaching tool: e.g. [compilable ANTs | ||
tutorial](https://github.com/stnava/ANTS_MultiModality) (WIP) | ||
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Other examples [slideshow](http://brianavants.wordpress.com) | ||
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Landmark-based mapping for e.g. hippocampus [discussed | ||
here](https://sourceforge.net/p/advants/discussion/840261/thread/1cb7b165/?limit=50) | ||
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Brief ANTs segmentation [video](http://vimeo.com/67814201) | ||
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**Benchmarks** [results](https://github.com/gdevenyi/antsRegistration-benchmarking) | ||
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References | ||
---------------------------------------------------------- | ||
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Scholar](http://scholar.google.com/scholar?q=Advanced+Normalization+Tools+%22ANTs%22+-ant&hl=en&as_sdt=1%2C39&as_ylo=2008&as_yhi=) | ||
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[Pubmed](http://www.ncbi.nlm.nih.gov/pubmed?term=%22Avants%20B%22%20OR%20%22Tustison%20N%22) | ||
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Boilerplate ANTs | ||
------------------ | ||
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Here is some boilerplate regarding ants image processing: | ||
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We will analyze multiple modality neuroimaging data with Advanced | ||
Normalization Tools (ANTs) version >= 2.1 [1] | ||
(http://stnava.github.io/ANTs/). ANTs has proven performance in | ||
lifespan analyses of brain morphology [1] and function [2] in both | ||
adult [1] and pediatric brain data [2,5,6] including infants [7]. | ||
ANTs employs both probabilistic tissue segmentation (via Atropos [3]) | ||
and machine learning methods based on expert labeled data (via joint | ||
label fusion [4]) in order to maximize reliability and consistency of | ||
multiple modality image segmentation. These methods allow detailed | ||
extraction of critical image-based biomarkers such as volumes | ||
(e.g. hippocampus and amygdala), cortical thickness and area and | ||
connectivity metrics derived from structural white matter [13] or | ||
functional connectivity [12]. Critically, all ANTs components are | ||
capable of leveraging multivariate image features as well as expert | ||
knowledge in order to learn the best segmentation strategy available | ||
for each individual image [3,4]. This flexibility in segmentation and | ||
the underlying high-performance normalization methods have been | ||
validated by winning several internationally recognized medical image | ||
processing challenges conducted within the premier conferences within | ||
the field and published in several accompanying articles | ||
[8][9][10][11]. | ||
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References | ||
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[1] http://www.ncbi.nlm.nih.gov/pubmed/24879923 | ||
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[2] http://www.ncbi.nlm.nih.gov/pubmed/24817849 | ||
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[3] http://www.ncbi.nlm.nih.gov/pubmed/21373993 | ||
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[4] http://www.ncbi.nlm.nih.gov/pubmed/21237273 | ||
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[5] http://www.ncbi.nlm.nih.gov/pubmed/22517961 | ||
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[6] http://www.ncbi.nlm.nih.gov/pubmed/24033570 | ||
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[7] http://www.ncbi.nlm.nih.gov/pubmed/24139564 | ||
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[8] http://www.ncbi.nlm.nih.gov/pubmed/21632295 | ||
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[9] http://www.ncbi.nlm.nih.gov/pubmed/19195496 | ||
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[10] http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3837555/ | ||
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[11] http://nmr.mgh.harvard.edu/~koen/MenzeTMI2014.pdf | ||
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[12] http://www.ncbi.nlm.nih.gov/pubmed/23813017 | ||
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[13] http://www.ncbi.nlm.nih.gov/pubmed/24830834 | ||
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ANTs was supported by: R01-EB006266-01 and by K01-ES025432-01 | ||
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![ants chimp](http://i.imgur.com/4tPvy05.png) |