TY - GEN
T1 - Statistical shape modeling of the diaphragm for application to Rb-82 cardiac PET-CT studies
AU - Mcquaid, S.J.
AU - Lambrou, T.
AU - Hutton, B.F.
N1 - cited By 9
PY - 2008
Y1 - 2008
N2 - It is important when motion-correcting Rb-82 cardiac PET-CT scans that diaphragm motion is accounted for, to avoid attenuation-correction artifacts. In the absence of a gated CT, a model of the diaphragm could assist in identifying the diaphragm position in noisy PET images as a step towards performing respiratory-matched attenuation-correction. To test this, a shape model was constructed from a training set of 10 gated CT datasets, in which the diaphragm was segmented. Principal Component Analysis was performed on corresponding landmarks from all surfaces to extract modes of variation in shape and motion between patients.
AB - It is important when motion-correcting Rb-82 cardiac PET-CT scans that diaphragm motion is accounted for, to avoid attenuation-correction artifacts. In the absence of a gated CT, a model of the diaphragm could assist in identifying the diaphragm position in noisy PET images as a step towards performing respiratory-matched attenuation-correction. To test this, a shape model was constructed from a training set of 10 gated CT datasets, in which the diaphragm was segmented. Principal Component Analysis was performed on corresponding landmarks from all surfaces to extract modes of variation in shape and motion between patients.
UR - https://www.scopus.com/inward/record.uri?eid=2-s2.0-67649201472&doi=10.1109%2fNSSMIC.2008.4774109&partnerID=40&md5=c1e12e6f2d548ea851a8668004519799
U2 - 10.1109/NSSMIC.2008.4774109
DO - 10.1109/NSSMIC.2008.4774109
M3 - Published conference contribution
SP - 3651
EP - 3655
BT - 2008 IEEE Nuclear Science Symposium Conference Record
PB - IEEE Explore
ER -