Simultaneous Reconstruction of Activity and Attenuation in Time-of-Flight PET

In positron emission tomography (PET) and single photon emission tomography (SPECT), attenuation correction is necessary for quantitative reconstruction of the tracer distribution. Previously, several attempts have been made to estimate the attenuation coefficients from emission data only. These att...

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Veröffentlicht in:	IEEE transactions on medical imaging 2012-12, Vol.31 (12), p.2224-2233
Hauptverfasser:	Rezaei, A., Defrise, M., Bal, G., Michel, C., Conti, M., Watson, C., Nuyts, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Activity and attenuation cross-talk Algorithms Attenuation attenuation correction Computer Simulation Humans Image Processing, Computer-Assisted - methods Image reconstruction Image resolution joint estimation Joints maximum likelihood Maximum likelihood estimation Phantoms Phantoms, Imaging Positron emission tomography Positron-Emission Tomography - methods Thorax - diagnostic imaging time-of-flight (TOF) positron emission tomography (PET)
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