Data processing methods for a high throughput brain imaging PET research center

Judson P. Jones, Arman Rahmim, Merence Sibomana, Andrew Crabb, Ziad Burbar, Charles B. Cavanaugh, Christian Michel, Dean F. Wong

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We describe a computer system designed to meet the data processing needs of a high-volume brain PET research center based on the High Resolution Research Tomograph (HRRT). Listmode data are collected by an acquisition computer and stored on a high-speed disk. A workflow management program transfers the data through a gigabit network, rebins events into sinograms, and calculates correction factors. Reconstruction jobs are performed on a 64 processor cluster. We developed methods for dynamically allocating subclusters from the pool of available nodes, and reconstructing multiple images on multiple subclusters simultaneously. We also studied overall workflow. In our initial plan, scatter and randoms calculation unexpectedly became a bottleneck. We therefore adjusted our plan so that scatter estimation was performed initially in low resolution, and later expanded to high resolution.

Original languageEnglish (US)
Title of host publication2006 IEEE Nuclear Science Symposium - Conference Record
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2224-2228
Number of pages5
ISBN (Print)1424405610, 9781424405619
DOIs
StatePublished - Jan 1 2006
Event2006 IEEE Nuclear Science Symposium, Medical Imaging Conference and 15th International Workshop on Room-Temperature Semiconductor X- and Gamma-Ray Detectors, Special Focus Workshops, NSS/MIC/RTSD - San Diego, CA, United States
Duration: Oct 29 2006Nov 4 2006

Publication series

NameIEEE Nuclear Science Symposium Conference Record
Volume4
ISSN (Print)1095-7863

Other

Other2006 IEEE Nuclear Science Symposium, Medical Imaging Conference and 15th International Workshop on Room-Temperature Semiconductor X- and Gamma-Ray Detectors, Special Focus Workshops, NSS/MIC/RTSD
CountryUnited States
CitySan Diego, CA
Period10/29/0611/4/06

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

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