Segmented Attenuation Correction for PET

Fessler, Jeffrey A.

Segmented Attenuation Correction for PET

dc.contributor.author	Fessler, Jeffrey A.	en_US
dc.date.accessioned	2011-08-18T18:20:59Z
dc.date.available	2011-08-18T18:20:59Z
dc.date.issued	1992-10-25	en_US
dc.identifier.citation	Fessler, J. A. (1992). "Segmented Attenuation Correction for PET." Conference Record of the … IEEE Nuclear Science Symposium and Medical Imaging Conference 2: 1182-1184. <http://hdl.handle.net/2027.42/85882>	en_US
dc.identifier.uri	https://hdl.handle.net/2027.42/85882
dc.description.abstract	The authors describe a hybrid measured/calculated method for attenuation correction in positron emission tomography (PET). This unified reconstruction/segmentation method is based on a penalized weighted least-squares objective function that is minimized using iterative coordinate-descent. Two penalty functions are compared: one for a discrete object parameterization, the other for a continuous parameterization. Simulations demonstrate that the methods can reduce the additional emission image variance typically introduced by noisy attenuation correction factors.	en_US
dc.publisher	IEEE	en_US
dc.title	Segmented Attenuation Correction for PET	en_US
dc.type	Article	en_US
dc.subject.hlbsecondlevel	Biomedical Engineering	en_US
dc.subject.hlbtoplevel	Engineering	en_US
dc.description.peerreviewed	Peer Reviewed	en_US
dc.description.bitstreamurl	http://deepblue.lib.umich.edu/bitstream/2027.42/85882/1/Fessler121.pdf
dc.identifier.doi	10.1109/NSSMIC.1992.301040	en_US
dc.identifier.source	Conference Record of the … IEEE Nuclear Science Symposium and Medical Imaging Conference	en_US
dc.owningcollname	Electrical Engineering and Computer Science, Department of (EECS)

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