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The LONI Pipeline Processing Environment.

Abstract：

:The analysis of raw data in neuroimaging has become a computationally entrenched process with many intricate steps run on increasingly larger datasets. Many software packages exist that provide either complete analyses or specific steps in an analysis. These packages often possess diverse input and output requirements, utilize different file formats, run in particular environments, and have limited abilities with certain types of data. The combination of these packages to achieve more sensitive and accurate results has become a common tactic in brain mapping studies but requires much work to ensure valid interoperation between programs. The handling, organization, and storage of intermediate data can prove difficult as well. The LONI Pipeline Processing Environment is a simple, efficient, and distributed computing solution to these problems enabling software inclusion from different laboratories in different environments. It is used here to derive a T1-weighted MRI atlas of the human brain from 452 normal young adult subjects with fully automated processing. The LONI Pipeline Processing Environment's parallel processing efficiency using an integrated client/server dataflow model was 80.9% when running the atlas generation pipeline from a PC client (Acer TravelMate 340T) on 48 dedicated server processors (Silicon Graphics Inc. Origin 3000). The environment was 97.5% efficient when the same analysis was run on eight dedicated processors.

journal_name

Neuroimage

journal_title

NeuroImage

authors

Rex DE,Ma JQ,Toga AW

doi

10.1016/s1053-8119(03)00185-x

keywords:

subject

Has Abstract

pub_date

2003-07-01 00:00:00

pages

1033-48

issue

3

eissn

1053-8119

issn

1095-9572

pii

S105381190300185X

journal_volume

19

pub_type

杂志文章

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