NDLI: A pulse simulator for crystal identification validation of phoswich detectors used in positron emission tomography

Content Provider	IEEE Xplore Digital Library
Author	Yousefzadeh, H.C. Lecomte, R. Fontaine, R.
Copyright Year	2009
Description	Author affiliation: Department of Electrical and Computer Engineering, Université de Sherbrooke, Québec, Canada J1K 2R 1 (Yousefzadeh, H.C.; Fontaine, R.) \|\| Department of Nuclear Medicine and Radiobiology, Université de Sherbrooke and the Sherbrooke Molecular Imaging Center, Sherbrooke, Québec, Canada J1H 5N 4 (Lecomte, R.)
Abstract	Crystal identification (CI) of phoswich detectors is a technique used in positron emission tomography (PET) for improving spatial resolution through depth-of-interaction determination or higher pixelization. Digital algorithms using advanced digital signal processing techniques currently provide the most powerful approaches for CI of phoswich detectors made of crystals with only slightly different scintillation decay times. Such methods can be implemented in the all-digital architecture of LabPET, a small animal PET scanner developed in Sherbrooke, for fast and accurate real-time CI. In order to validate the new CI algorithms and assess their performance for different front-end electronics, a pulse generator simulator was developed to generate PET signals and investigate the effects of factors such as electronic noise, photon statistics and pulse shaping filter. The pulse generator was validated with LabPET-like pulses and CI results were compared with experimental data. The pulse simulator enables CI algorithms to be validated together with detector performance such as energy and timing resolution at an early stage of scanner design.
Starting Page	6942
Ending Page	6945
File Size	467321
Page Count	4
File Format	PDF
ISBN	9781424432967
ISSN	1557170X
DOI	10.1109/IEMBS.2009.5333639
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Positron emission tomography Signal processing algorithms Pulse generation Solid scintillation detectors Spatial resolution Digital signal processing Crystals Animals Signal generators Noise shaping
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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LabPET pulse simulator for crystal identification validation of multi-layer phoswich detectors

Design considerations of phoswich detectors for high resolution positron emission tomography

Advantages of digitally sampling scintillation pulses in pileup processing in PET

Digital pulse shape discrimination methods for phoswich detectors

ULTRA-Fast wiener filter based crystal identification algorithm applied to the $LabPET^{TM}$ phoswich detectors

Design Considerations of Phoswich Detectors for High Resolution Positron Emission Tomography

Characterization of LSO/PMT scintillation pulses

Digital Identification of Fast Scintillators in Phoswich APD-Based Detectors

Performance analysis of phoswich/APD detectors and low noise CMOS preamplifiers for high resolution PET systems

A pulse simulator for crystal identification validation of phoswich detectors used in positron emission tomography

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