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Transforming Static CT in Gated PET/CT Studies to Multiple Respiratory Phases
Hong Kong August 20-August 24
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICPR.2006.113518th International Conference on Patt ...
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M Dawood, F Buther, N Lang, X Jiang, K P Schafers, "Transforming Static CT in Gated PET/CT Studies to Multiple Respiratory Phases," Pattern Recognition, International Conference on, vol. 1, pp. 1026-1029, 18th International Conference on Pattern Recognition (ICPR'06) Volume 1, 2006.
 
 
BibTex
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@article{ 10.1109/ICPR.2006.1135,
author = {M Dawood and F Buther and N Lang and X Jiang and K P Schafers},
title = {Transforming Static CT in Gated PET/CT Studies to Multiple Respiratory Phases},
journal ={Pattern Recognition, International Conference on},
volume = {1},
year = {2006},
issn = {1051-4651},
pages = {1026-1029},
doi = {http://doi.ieeecomputersociety.org/10.1109/ICPR.2006.1135},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - CONF
JO - Pattern Recognition, International Conference on
TI - Transforming Static CT in Gated PET/CT Studies to Multiple Respiratory Phases
SN - 1051-4651
SP1026
EP1029
A1 - M Dawood,
A1 - F Buther,
A1 - N Lang,
A1 - X Jiang,
A1 - K P Schafers,
PY - 2006
KW - null
VL - 1
JA - Pattern Recognition, International Conference on
ER -
 
M Dawood, University Clinic Munster, Germany
F Buther, University Clinic Munster, Germany
N Lang, University Clinic Munster, Germany
X Jiang, University Clinic Munster, Germany
K P Schafers, University Clinic Munster, Germany
Discrepancy between CT and PET data due to motion in PET/CT studies is a significant problem. PET is acquired over a period of time whereas CT is static. Thus attenuation correction of PET data with CT leads to wrong quantification and can result in wrong diagnosis and treatment. A solution based on respiratory gating and optical flow algorithms is presented. A combined local-global optical flow algorithm is used for motion estimation on PET data, the static CT is then transformed to different phases of the respiratory cycle. Corresponding PET and CT data is thus obtained for better attenuation correction. The results are verified on both software phantom and real patient data.
Citation:
M Dawood, F Buther, N Lang, X Jiang, K P Schafers, "Transforming Static CT in Gated PET/CT Studies to Multiple Respiratory Phases," icpr, vol. 1, pp.1026-1029, 18th International Conference on Pattern Recognition (ICPR'06) Volume 1, 2006
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