A Spartan3e based low-cost system for gamma-ray detection in small SPECT or PET systems

Eleftherios, F; Maria, G; Nikos, E; Stratos, D; George, L; George, M

dc.contributor.author	Eleftherios, F	en
dc.contributor.author	Maria, G	en
dc.contributor.author	Nikos, E	en
dc.contributor.author	Stratos, D	en
dc.contributor.author	George, L	en
dc.contributor.author	George, M	en
dc.date.accessioned	2014-03-01T02:52:33Z
dc.date.available	2014-03-01T02:52:33Z
dc.date.issued	2010	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/35926
dc.subject	Data acquisition (DAQ)	en
dc.subject	Embedded development kit (EDK)	en
dc.subject	Field programmable gate arrays (FPGA)	en
dc.subject	Position sensitive photomultipliers (PSPMT)	en
dc.subject	Silicon photomultiplier (SiPM)	en
dc.subject.other	Analog to digital converters	en
dc.subject.other	Anode signals	en
dc.subject.other	Data acquisition system	en
dc.subject.other	Dual channel	en
dc.subject.other	Embedded development	en
dc.subject.other	Energy spectra	en
dc.subject.other	Evaluation board	en
dc.subject.other	Experimental setup	en
dc.subject.other	Gamma-ray detection	en
dc.subject.other	Gaussian fitting	en
dc.subject.other	Low-cost systems	en
dc.subject.other	Multiparameters	en
dc.subject.other	Nuclear imaging	en
dc.subject.other	Open-source	en
dc.subject.other	Optimal results	en
dc.subject.other	Point sources	en
dc.subject.other	Position sensitive	en
dc.subject.other	Position sensitive photomultipliers	en
dc.subject.other	Sampling rates	en
dc.subject.other	Silicon photomultiplier (SiPM)	en
dc.subject.other	Soft-core processors	en
dc.subject.other	Analog to digital conversion	en
dc.subject.other	Gamma rays	en
dc.subject.other	Imaging systems	en
dc.subject.other	Logic gates	en
dc.subject.other	Nuclear medicine	en
dc.subject.other	Photomultipliers	en
dc.subject.other	Signal receivers	en
dc.subject.other	Spectroscopy	en
dc.subject.other	Field programmable gate arrays (FPGA)	en
dc.title	A Spartan3e based low-cost system for gamma-ray detection in small SPECT or PET systems	en
heal.type	conferenceItem	en
heal.identifier.primary	10.1109/IST.2010.5548500	en
heal.identifier.secondary	http://dx.doi.org/10.1109/IST.2010.5548500	en
heal.identifier.secondary	5548500	en
heal.publicationDate	2010	en
heal.abstract	The development and assessment of a readout system based on Field Programmable Gate Array (FPGA) for dedicated nuclear medicine cameras is presented. We have used Xilinx Spartan3e, which is one of the simplest FPGA evaluation boards. The aim of this work is to offer a simple, opensource data acquisition tool, which provides accurate results for nuclear imaging applications. The system has been evaluated using three different experimental setups: Pulses from two position-sensitive photomultipliers (PSPMTs) and a Silicon Photomulti-plier (SiPM), were recorded, using99mTc and111In point sources. Spartan3e FPGA has a dual channel, 14-bit analog to digital converter with a sampling rate of 1.5Msps per channel. The tool was designed using Xilinx's Embedded Development Kit and was based in Xilinx's Microblaze soft-core processor. PSPMT anode signals spectra of single position and SiPM energy spectra were compared with those obtained with a reference multiparameter based data acquisition system using nuclear instrumentation modules modules. A number of tests were carried out to assess different algorithms for pulse maximum estimation and Gaussian fitting provided optimal results. The results have shown that the FPGA data acquisition system i) provides accurate digitization of the PSPMTs anode signals in various conditions and ii) gives similar energy spectra when SiPMs are used. © 2010 IEEE.	en
heal.journalName	2010 IEEE International Conference on Imaging Systems and Techniques, IST 2010 - Proceedings	en
dc.identifier.doi	10.1109/IST.2010.5548500	en
dc.identifier.spage	22	en
dc.identifier.epage	26	en