TY - GEN
T1 - A modified spatial resolution formula for DOI-PET
AU - Xia, Yan
AU - Ma, Tianyu
AU - Liu, Yaqiang
AU - Wang, Shi
AU - Shao, Yiping
N1 - Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2011
Y1 - 2011
N2 - To evaluate the spatial resolution performance of PET systems, Derenzo published an analytic resolution formula in 1993 to analytically calculate spatial resolution in the center of FOV which accounts for impacts of geometrical, instrumental, reconstruction and physical factors and is now widely used to guide PET system design. Extending from this study, the crystal size is replaced by FWHM of coincidence response function, and then a modified approximate spatial resolution formula for circular configured DOI-PET is presented. This formula can account for the DOI resolution and estimate the overall system resolution over the entire FOV. With this formula, one can also predict uniform resolution condition and best achievable resolution. Monte Carlo simulations were performed to test the formula. Formula agreed well with experimental results.
AB - To evaluate the spatial resolution performance of PET systems, Derenzo published an analytic resolution formula in 1993 to analytically calculate spatial resolution in the center of FOV which accounts for impacts of geometrical, instrumental, reconstruction and physical factors and is now widely used to guide PET system design. Extending from this study, the crystal size is replaced by FWHM of coincidence response function, and then a modified approximate spatial resolution formula for circular configured DOI-PET is presented. This formula can account for the DOI resolution and estimate the overall system resolution over the entire FOV. With this formula, one can also predict uniform resolution condition and best achievable resolution. Monte Carlo simulations were performed to test the formula. Formula agreed well with experimental results.
UR - http://www.scopus.com/inward/record.url?scp=84863338789&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84863338789&partnerID=8YFLogxK
U2 - 10.1109/NSSMIC.2011.6152705
DO - 10.1109/NSSMIC.2011.6152705
M3 - Conference contribution
AN - SCOPUS:84863338789
SN - 9781467301183
T3 - IEEE Nuclear Science Symposium Conference Record
SP - 2632
EP - 2635
BT - 2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2011 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2011
Y2 - 23 October 2011 through 29 October 2011
ER -