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IEEE Trans Biomed Eng. 2009 Feb;56(2):518-21. doi: 10.1109/TBME.2008.2006017. Epub 2008 Oct 3.

Partially adaptive STAP algorithm approaches to functional MRI.

Author information

  • 1School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA. lejian@purdue.edu

Abstract

In this paper, the architectures of three partially adaptive space-time adaptive processing (STAP) algorithms are introduced, one of which is explored in detail, that reduce dimensionality and improve tractability over fully adaptive STAP when used in the construction of brain activation maps in functional magnetic resonance imaging (fMRI). Computer simulations incorporating actual MRI noise and human data analysis indicate that element space partially adaptive STAP can attain close to the performance of fully adaptive STAP while significantly decreasing processing time and maximum memory requirements, and thus demonstrates potential in fMRI analysis.

PMID:
19272913
[PubMed - indexed for MEDLINE]
PMCID:
PMC2904987
Free PMC Article

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