NDLI: Design study of future 3-D PET systems

Content Provider	IEEE Xplore Digital Library
Author	Dahlbom, M. Eriksson, L. Wienhard, K.
Copyright Year	1994
Description	Author affiliation: Dept. of Molecular & Med. Pharm., California Univ., Los Angeles, CA, USA (Dahlbom, M.)
Abstract	Current detector technology based on BGO block-detectors is capable of achieving an intrinsic resolution of 3-4 mm. In order to fully utilize this high resolution, 3-D acquisition techniques are necessary resulting in an improved sensitivity of 6-7, compared to 2D technology. However, dead time problems start to get severe at administered doses 3-5 times lower than previously met in 2-D. In this work, the trade-off between the sensitivity increase given in 3-D at different system geometries and the noise increase due to system count rate limitations and random coincidences is studied, Based on Monte Carlo simulations, the amount of true, scatter and random coincidences have been estimated within a wide range of geometries. With a simple dead time model for the data collection system we have investigated if an optimized geometry can be found for brain function studies. The optimization is, as expected, not unique but is strongly dependent on the administered amount of activity as well as the choice of the dead time parameters.
Starting Page	1667
Ending Page	1671
File Size	423925
Page Count	5
File Format	PDF
ISBN	0780325443
DOI	10.1109/NSSMIC.1994.474743
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-10-30
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Positron emission tomography Geometry Electromagnetic scattering Particle scattering Detectors Solid modeling Brain modeling Medical simulation Councils Neurophysiology
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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