Fermilab Computing Division

PET Imaging Devices developed at the Brookhaven National Laboratory

Full Title: PET Imaging Devices developed at the Brookhaven National Laboratory
Date & Time: 13 Feb 2014 at 11:00
Event Location: WH Racetrack
Event Topic(s): Computing Techniques Seminar
Event Moderator(s):
Event Info: Speaker:
Martin Purschke, PHENIX data acquisition
coordinator

Abstract:
PET Imaging Devices developed at the Brookhaven National Laboratory

The BNL PET Group has developed a number of different medical and other imaging devices for various groups. Loosely supported by volunteers affiliated with the PHENIX experiment at the Relativistic Heavy Ion Collider, the original "RatCAP" wearable PET detector was the first to image the rain activity of an awake rat, without the need to anesthetize the animal. That original design has spun off evices for such diverse uses as mammography applications, simultaneous PET-MRI imaging, and even plant biology applications for the study of advanced biofuels.

I will provide an overview of the technology and its current applications and results, mostly from a physicist's perspective. The data acquisition systems, data volumes, and computing needs resemble those of mid-sized high-energy or nuclear physics experiments. I will describe the data analysis process, our efforts to use GPUs for the data processing, and our recent adoption of GRID technologies for the massive amounts of simulations needed for the image reconstruction.

Bio:
Martin Purschke is a physicist working for the PHENIX experiment, one of the two large experiments at Brookhaven National Laboratory's Relativistic Heavy Ion Collider. He received his Ph.D. from the University of Muenster in Germany in 1990, and joined BNL and the PHENIX experiment in 1996. He is currently the PHENIX data acquisition coordinator.

For a fraction of his time, he supports the Medical Imaging projects at BNL, such as the RatCAP, a PET-Imaging detector that allows imaging the brain of an awake rat.

Martin is currently using the FermiLab Test Beam Facility to study the performance of a prototype for the envisioned major upgrade of the PHENIX experiment, code-named "SuperPhenix", or sPHENIX.

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