IBEAT: A toolbox for infant brain magnetic resonance image processing

Yakang Dai, Feng Shi, Li Wang, Guorong Wu, Dinggang Shen

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

It's a great challenge to analyze infant brain MR images due to the small brain size and low contrast of the developing brain tissues. We have developed an Infant Brain Extraction and Analysis Toolbox (iBEAT) for various processing of magnetic resonance (MR) images of infant brains. Several major functions generally used in infant brain analysis are integrated in iBEAT, including image preprocessing, brain extraction, tissue segmentation, and brain labeling. The functions of brain extraction, tissue segmentation, and brain labeling are provided respectively by three state-of-the-art algorithms. First, a learning-based meta-algorithm which integrates a group of brain extraction results generated by the two existing brain extraction algorithms (BET and BSE) was implemented in iBEAT for extraction of infant brains from MR images. Second, a level-sets-based tissue segmentation algorithm that utilizes multimodality information, cortical thickness constraint, and longitudinal consistency constraint was also included in iBEAT for segmentation of infant brain tissues. Third, HAMMER (standing for Hierarchical Attribute Matching Mechanism for Elastic Registration) registration algorithm was further included in iBEAT to label regions of interest (ROIs) of infant brain images by warping the pre-labeled ROIs of a template to the infant brain image space. By integration of these state-of-the-art methods, iBEAT is able to segment and label infant brain MR images accurately. Moreover, it can process not only single-time-point images for cross-sectional studies, but also multiple-time-point images of the same infant for longitudinal studies. The performance of iBEAT has been comprehensively evaluated with hundreds of infant brain images. A Linux-based standalone package of iBEAT is freely available at http://www.nitrc.org/ projects/ibeat.

Original languageEnglish
Pages (from-to)211-225
Number of pages15
JournalNeuroinformatics
Volume11
Issue number2
DOIs
Publication statusPublished - 2013 Apr 1
Externally publishedYes

Fingerprint

Magnetic resonance
Brain
Image processing
Magnetic Resonance Spectroscopy
Tissue
Labeling
Labels

Keywords

  • Brain labeling
  • Brain registration
  • Brain segmentation
  • Infant brain analysis
  • Magnetic resonance image

ASJC Scopus subject areas

  • Neuroscience(all)
  • Information Systems
  • Software

Cite this

IBEAT : A toolbox for infant brain magnetic resonance image processing. / Dai, Yakang; Shi, Feng; Wang, Li; Wu, Guorong; Shen, Dinggang.

In: Neuroinformatics, Vol. 11, No. 2, 01.04.2013, p. 211-225.

Research output: Contribution to journalArticle

Dai, Yakang ; Shi, Feng ; Wang, Li ; Wu, Guorong ; Shen, Dinggang. / IBEAT : A toolbox for infant brain magnetic resonance image processing. In: Neuroinformatics. 2013 ; Vol. 11, No. 2. pp. 211-225.
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